1. Most credit card incentive programs give----
a. cash
b. cash back
c. discounts
d. set dollar savings

2. To calculate a rewards program incentive, you---
a. use the simple interest formula
b. use the percentage of a number
c. multiply the whole numbers
d. divide by the percentage offered

3. A credit card gives 2% cash back on purchases. You purchase $1,685.90 in items with that card. What is your reward amount?
a. $33.72
b. $337.18
c. $280.98
d. $2.81

Answers

Answer 1
1. Most credit card incentive programs give
    b. cashback
2. To calculate a rewards program incentive, you---
    b. use the percentage number
3. For this we need to solve:
    The cashback is 2% and the purchase amount is $1685.90. We just multiply the percentage to the purchase amount to know what is the 2% of 1685.90.

Solution:
*remember to change the percent to its decimal form by moving the percent two places to the left. 2%=.02

1685.90*.02=33.718 or 33.72

Answer: a

Related Questions

An angle measures 34° less than the measure of a supplementary angle. what is the measure of each angle?

Answers

the sum of two angles has to equal to 180.

x + x - 34 = 180
2x - 34 = 180
2x = 214

x = 107

so the angles are
107° and 73°
Final answer:

Given that an angle is 34 degrees less than its supplementary angle and knowing that supplementary angles add up to 180 degrees, the two angles measure 73 degrees and 107 degrees respectively.

Explanation:

To solve this problem, let's assume that the measure of the supplementary angle is x degrees. Since the angle in question is 34° less than the measure of the supplementary angle, we can set up the equation: x - 34 = the angle in question. Now, since supplementary angles add up to 180°, we can set up another equation: x + (x - 34) = 180. Solving this equation, we find that x = 107°. Therefore, the measure of the supplementary angle is 107° and the angle in question is 107° - 34° = 73°.

An angle measures 34° less than the measure of a supplementary angle. By definition, supplementary angles add up to 180°. Let's call the first angle x. Then the supplementary angle would be x + 34° because it's 34 degrees more than x. Since they are supplementary, the sum of these two angles should be 180 degrees:

x + (x + 34°) = 180°
2x + 34° = 180°
2x = 180° - 34°
2x = 146°
x = 146° / 2
x = 73°

Therefore, the measure of the first angle is 73°, and the measure of its supplementary angle is 107° (73° + 34°).

When chords intersect in a circle, the vertical angles formed intercept congruent arcs.
always, sometimes, never?

Answers

The answer is sometimes

Given: 60,807; 60,087; 60,708 and 60,078, the correct arrangement of these numbers from the least to the greatest value is ?

Answers

The answer would be:
60,078 then 60,087 then 60,708 and then finally 60,807.
60,078, 60,087, 60,708, 60,807.

What is the length of CC' ?

Answers

The distance of CC' is 5.39 units.

Answer:

The length of CC' is, [tex]\sqrt{29}[/tex]units

Step-by-step explanation:

Using distance(D) formula for any two points is given by:

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

As per the statement:

From the graph:

The coordinates of C and C' are:

C = (2, 2) and C' = (7, 4)

Apply the distance formula to find length CC', we have;

[tex]CC'= \sqrt{(7-2)^2+(4-2)^2}[/tex]

⇒[tex]CC'= \sqrt{(5)^2+(2)^2}[/tex]

⇒[tex]CC'= \sqrt{25+4}[/tex]

Simplify:

[tex]CC'= \sqrt{29}[/tex]

therefore, the length of CC' is, [tex]\sqrt{29}[/tex] units

Which of the following is not a polynomial identity?

A. (a^2+b^2)(c^2+d^2)=(ac-bd)^2+(ad+bc)
B. (a+b)^2=a^2+2ab+b^2
C. a^3-b^3=(a-b)(a^2+ab+b^2)
D. a^2(b+c)=a^3(b/a+c),

Answers

A polynomial identity is the identity whose left terms gives exactly right side terms.

In order to check if which of those have left side equals right side, we need to expand both side to the simplest step.

A. (a^2+b^2)(c^2+d^2)=(ac-bd)^2+(ad+bc)

We could foil left side (a^2+b^2)(c^2+d^2)

It gives a^2c^2+a^2d^2+b^2c^2+b^2d^2.

Let us expand right side (ac-bd)^2+(ad+bc)

We get (ac-bd)^2 = a^2c^2+b^2d^2-2acbd

(ac-bd)^2+(ad+bc) = a^2c^2+b^2d^2-2acbd +ad+bc

Left side a^2c^2+a^2d^2+b^2c^2+b^2d^2 is not equal to right side a^2c^2+b^2d^2-2acbd +ad+bc.

Therefore, A. (a^2+b^2)(c^2+d^2)=(ac-bd)^2+(ad+bc) is not a polynomial identity.


B. (a+b)^2=a^2+2ab+b^2

Let us expand left side of the identity, we get

(a+b)^2 = a^2 +2ab + b^2.

We got left side a^2 +2ab + b^2 equals right side a^2+2ab+b^2.

Therefore, B. (a+b)^2=a^2+2ab+b^2 is a polynomial identity.


C. a^3-b^3=(a-b)(a^2+ab+b^2)

Let us expand right side of the identity, we get

(a-b)(a^2+ab+b^2) = a^3+a^2b+ab^2-a^2b-ab^2-b^3 = a^3-b^2.

We got left side a^3-b^3 equals right side a^3-b^2.

Therefore, C. a^3-b^3=(a-b)(a^2+ab+b^2) is a polynomial identity.


D. a^2(b+c)=a^3(b/a +c)

Expanding left side

a^2(b+c) = a^2b + a^2c

Expanding right side

a^3(b/a +c) = a^3*b/a + a^3c = a^2b +a^3c.

Left side a^2b + a^2c is not equal to right side a^2b +a^3c.

Therefore, D. a^2(b+c)=a^3(b/a +c) is not a polynomial identity.

The correct answer is D. [tex]\(a^2(b+c)=a^3(b/a+c)\)[/tex] is not a polynomial identity.

To determine which option is not a polynomial identity, let's examine each one:

A. [tex]\( (a^2+b^2)(c^2+d^2)=(ac-bd)^2+(ad+bc)^2 \)[/tex]

 This is a polynomial identity known as the Brahmagupta–Fibonacci identity. It can be verified by expanding the right-hand side and simplifying:

[tex]\( (ac-bd)^2+(ad+bc)^2 = a^2c^2 - 2abcd + b^2d^2 + a^2d^2 + 2abcd + b^2c^2 \)[/tex]

[tex]\( = a^2c^2 + b^2d^2 + a^2d^2 + b^2c^2 \)[/tex]

[tex]\( = a^2(c^2+d^2) + b^2(c^2+d^2) \)[/tex]

[tex]\( = (a^2+b^2)(c^2+d^2) \)[/tex]

B. [tex]\( (a+b)^2=a^2+2ab+b^2 \)[/tex]

This is the well-known square of a binomial, which is a basic algebraic identity.

C.[tex]\( a^3-b^3=(a-b)(a^2+ab+b^2) \)[/tex]

This is the difference of cubes factorization, which is a standard polynomial identity. It can be verified by expanding the right-hand side:

[tex]\( (a-b)(a^2+ab+b^2) = a^3 - a^2b + ab^2 - b^3 \)[/tex]

[tex]\( = a^3 - b^3 \)[/tex]

D.[tex]\( a^2(b+c)=a^3(b/a+c) \)[/tex]

This is not a polynomial identity because when we simplify the right-hand side, we get:

[tex]\( a^3(b/a+c) = a^3(b/a) + a^3c \)[/tex]

[tex]\( = aba^2 + a^3c \)[/tex]

[tex]\( = a^3b + a^3c \)[/tex]

This is not equivalent to the left-hand side, [tex]\( a^2b + a^2c \)[/tex], unless [tex]\( a = 0 \) or \( a^2 = a^3 \)[/tex], which is not true for all values of [tex]\( a \)[/tex]. Therefore, the expression is not a polynomial identity.

Please help ASAP!!! 36 points! (:

Answers

Birch Street is horizontal. A perpendicular street would have to be vertical. Elm Street is not vertical. Birch Street has 0 slope. Elm Street would have to have undefined slope to be perpendicular to Birch Street.
Answer: A.

Answer:

A IS THE ANSWER

Step-by-step explanation:

A.birch Street is horizontal. A perpendicular street would have to be vertical. Elm Street is not vertical. Birch Street has 0 slope. Elm Street would have to have undefined slope to be perpendicular to Birch Street

why is salt (NaCl) put on icy roads and sidewalks in the winter?
1.) It is Ionic and lowers the freezing point of water.
2.) It is Ionic and it raises the freezing point of water.
3.) It is Covalent and it lowers the freezing point of water.
4.) it is covalent and it raises the freezing point of water.
EXPLANATION NEEDED
didnt mean to put in math category oops

Answers

Why is sodium chloride (NaCl) put on icy roads and sidewalks in the winter?

          Your answer would be   

  a) It is ionic and lowers the freezing point of water.



Explanation:

to lower the freezing point so people don't slip

Hope this helps.

Answer:  a) It is  ionic and lowers the freezing point of water.

Freezing point depression is the process of the decrease in the freezing point of a solvent by addition of a non-volatile solute such as salt. The salt is added to the icy roads so as to lower down the freezing point of water and preventing the formation of the ice on the road this phenomena is called as freezing point depression. The ionic components of the salt split apart like Na⁺ and Cl⁻ and interacts with the water molecules which combines to form the solid state ice. Thereby, ions of salt interrupting in the formation of the solid structure that is ice.

Will give brainliest-This graph compares shoe sizes for a group of 80 two-year-old boys and a group of 60 three-year-old boys. About how many more two-year-old boys have a shoe size of 6 or less, compared to the three-year-old boys?

Answers

To answer this question you need to know that the box and whisker plot take the data set and represent it fourths. Each section (half of the box or each whisker is 25% of the data.

So, for the 2 year old boys, half of them or 50% of the shoe sizes were 6 or less (40) and for the 3 year olds it was 1/4 or 25% of them (1/4 x 60= 15).

40-15= 25 more two year olds have a shoes size of 6 or less.
Yep the answer is 25

These questions still confuse me greatly for some reason. I got the formula for it but I still don't know how to use it. Please, could someone explain it for me!


Write an equation for the nth term of the geometric sequence 896, -448, 224, ....
Find the eighth term of this sequence.

Answers

The first term is 896.
The common ratio is -448/896 = -1/2.

The formula tells you the n-th term (an) is
.. an = a1*r^(n-1)
As with any formula, you substitute the given values to find the one you want to know.
.. a8 = 896*(-1/2)^(8 -1) = -896/128 = -7

Even if you don't know how to do the arithmetic, your calculator does.

The eighth term of the sequence is -7.

Write each equation in standard form using integers.
1) y=1/2x-10
2) y-3=G7/9(x+4)
please help n show work

Answers

The standard form is Ax + By = C

1) 

2(y) = (1/2x - 10) 2
2y = x - 20
-x + 2y = -20

For #2 does G belong in the equation or is it a mistake, if so let me know so i can answer.

Hope this helps :)

The equations are simplified in the standard form will be x - 2y - 20 = 0 and 7x - 9y + 63 = 0.

What is a linear equation?

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The standard form is Ax + By + C = 0

The equations are given below.

y = (1/2)x - 10

y - 3 = (7/9)(x + 4)

Convert the equation y = (1/2)x - 10 into a standard form. Then we have

y = (1/2)x - 10

y = (x - 20) / 2

2y = x - 20

x - 2y - 20 = 0

Convert the equation y - 3 = (7/9)(x + 4) into a standard form. Then we have

y - 3 = (7/9)(x + 4)

y - 3 = (7x + 36) / 9

9y - 27 = 7x + 36

7x - 9y + 63 = 0

The equations are simplified in the standard form will be x - 2y - 20 = 0 and 7x - 9y + 63 = 0.

More about the linear equation link is given below.

https://brainly.com/question/11897796

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20 Points! Please Help!

Solve the system 2x + 2y = −6 and 3x − 2y = 11 by using graph paper or graphing technology. What is the solution to the system?

(-1,-7)
(1,-4)
(2,-1)
(3,-2)

Answers

The graphs of these 2 equations will be straight lines and the solution is the coordinates of the point where the lines intersect.

The solution is (1 , -4)

Tasha is planning an expansion of a square flower garden in a city park. If each side of the original garden is increased by 7 m, the new total area of the garden will be 169 m2. Find the length of each side of the original garden.

sqrt6 m
6 m
13 m
20 m,

Answers

The answer is 6 m. To arrive at this answer you solve the following equation: {let x = the original length of the garden) (x+7)^2 = 169 x+7 = 13 x = 13-7 x = 6m

What percent of 12.5 is 39

Answers

"What percent" is our unknown x, "of" means we will multiply, "is" means equals.  We set up the equation accordingly:  x(12.5) = 39.  12.5x = 39.  Divide both sides by 12.5 to get x = 3.12.  To get to the percent form we multiply by 100 to get 312%. 

The percent 312% of 12.5 is 39

How to find the percentage from the total value?

Suppose the value of a thing is expressed in percentage is "a'

Suppose the percent that thing is of "a" is b%

Then since percent shows per 100 (since cent means 100), thus will first divide the whole part in 100 parts and then we multiply it by b so that we collect b items per 100 items.

We need to Write the percent of 12.5 is 39

X%

So, we can rewrite it as

X% x 12.5 = 39

x/100 (12.5) = 39

x = 39/0.125

x = 312

Learn more about percent here:

https://brainly.com/question/11549320

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PLEASE HELP ASAP!!!


Classify each pair of numbered angles as corresponding, alternate interior, alternate exterior, or none of these.
Drag and drop the choices into the boxes to correctly complete the table.

Answers

I'm not 100% sure that this is correct but it's a 50 50

The first one is none of these

Second one is alternate interior (I am 100% sure on this one)

Third one is corresponding

Fourth one is alternate exterior (also 100% sure)

Fifth one is also corresponding

I tried my best

Answer:

1. None of these.

2. None of these (Supplementary angles ).

3. Corresponding angles.

4. Alternate exterior angles.

5. Corresponding angles.

Step-by-step explanation:

In figure 1, the two lines are not parallel to each other, therefore we can not establish any relation between both angles. The required option is none of these.

In figure 2, both angles 1 and 2 lie on a straight line, therefore both angles are  supplementary angles and the required option is none of these.

In figure 3, both angles have same relative position, therefore both angles are  corresponding angles.

In figure 4, both angles are on the exterior of and , but on opposite sides of the transversal line, therefore both angles are alternate exterior angle.

In figure 5, both angles have same relative position, therefore both angles are  corresponding angles.

a bike sells for $140. The tax sale is 6%. How much will the bike cost?

Already have the answer just can't remember how to work it out please help.

Answers

$140 is total and the tax will be $8.4 because 6% of 140 = 8.4

A steel reinforcing rod is 12 ft. long and 1" thick in diameter. If a cubic foot of steel weighs 490 lb., how much does the rod weigh (to the nearest pound)?

Answers

In cubic feet, the volume of the rod is given by the formula for the volume of a cylinder.
.. V = (π/4)*d^2*h
.. = (π/4)*(1/12 ft)^2*(12 ft)
.. = π/48 ft^3

Then the weight is
.. (490 lb/ft^3)*(π/48 ft^3) ≈ 32 lb

Answer:

32 pounds

Step-by-step explanation:

what are the values of x and y?

a) x= 136/15, y= 17/15
b) x= 64/15, y= 17/15
c) x= 8/15, y= 136/15
d) x= 64/15, y= 136/15

Answers

In the given figure, we have two right angled triangles:
1) Triangle ABC
2) Triangle CDB

Using pythagorean theorem, we can write equations for both triangles.

For triangle ABC:

[tex] (15+x)^{2}= 17^{2}+ y^{2} [/tex]

For triangle CDB:

[tex] y^{2}= 8^{2}+ x^{2} [/tex]

Using the value of y² in the first equation, we get:

[tex] (15+x)^{2}= 289 + 64 + x^{2} \\ \\ 225+30x+ x^{2} =353 + x^{2} \\ \\ 30x=128 \\ \\ x= \frac{128}{30} \\ \\ x= \frac{64}{15} [/tex]

[tex]y^{2}= 8^{2}+ x^{2} \\ \\ y^{2}=64+ ( \frac{64}{15} )^{2} \\ \\ y^{2}= \frac{18496}{25} \\ \\ y= \frac{136}{15} [/tex]

Thus the d option gives the correct values of x and y 

What is the equation of a line with a slope of 7 and a point (1, 8) on the line?

A) y = 7x + 1
B) y = 7x
C) y = 7x + 8
D) y = 7x – 56

Answers

Hi there,
the answer is option (A).
Hope it helps

Hello there!

We have the slope and a point.

We can use the point-slope formula:

y-y1=m(x-x1)

Plug the point and the slope:

y-8=7(x-1)

y-8=7x-7

y=7x-7+8

y=7x+1

So the answer is Option A

Hope this helps

~Just a gloomy gal

#CarryOnLearning

[tex]SilentNature[/tex]

Which of the following costs usually goes up when an owner's home value goes up?


Select the best answer from the choices provided.
A)the mortgage principal and interest payment
B)the local property tax
C)the mortgage interest rate
D)the cost of utilities such as heating and electricity

Answers

i think its b the local property tax

Answer:

B) The local property tax

Step-by-step explanation:

A) The mortgage principal and interest payment - This does not depend on the owner's home value. These depend on the loan amount borrowed from the bank. The monthly payments will be the same irrespective of the owner's home value being going up or down.

B) The local property tax - This is the right answer as the local taxes depend on the prices in the area or neighborhood. Like posh areas have high property taxes.

C) The mortgage interest rate  - This is not right. This depends on the bank that how much interest rate it will give you depending on your credit history.

D) The cost of utilities such as heating and electricity - This is also not right as these costs are standard for a state. Everyone will have the same per unit rates for electricity.

At the apple pan 4 burgers and 3 fries cost 26.50. 5 burgers and 5 fries cost $36.25. what is the cost for each item?

Answers

Fries are $2.50 and burgers are $4.75.

Our system of equations for this situation would be

[tex] \left \{ {{4b+3f=26.50} \atop {5b+5f=36.25}} \right. [/tex]

We want the coefficients of one of the variables to be the same in order to eliminate one of them; we will make the coefficients of f the same.  To do this, multiply the top equation by 5 and the bottom equation by 3:

[tex] \left \{ {{5(4b+3f=26.50)} \atop {3(5b+5f=36.25)}} \right. \\ \\ \left \{ {{20b+15f=132.50} \atop {15b+15f=108.75}} \right[/tex]

We subtract the bottom equation:
[tex] \left \{ {{20b+15f=132.50} \atop {-(15b+15f=108.75)}} \right. \\ \\ 5b = 23.75[/tex]

Divide both sides by 5:
5b/5 = 23.75/5
b = 4.75

Burgers are $4.75.

Substitute this into the first equation:
4(4.75) + 3f = 26.50
19 + 3f = 26.50

Subtract 19 from both sides:
19 + 3f - 19 = 26.50 - 29
3f = 7.50

Divide both sides by 3:
3f/3 = 7.50/3
f = 2.50

The cost of a single burger is $4.75 and that of fries is $2.5.

What are expressions?

A mathematical expression is made up of terms (constants and variables) separated by mathematical operators

Given is that → 4 burgers and 3 fries cost $26.50 and 5 burgers and 5 fries cost $36.25.

Assume that the cost of each burger is $x and that of fries is $y. We can write the system of equations as -

4x + 3y = 26.5        ........ Eq[1]

5x + 5y = 36.25       ........... Eq[2]

We can write Eq[2] as -

5x + 5y = 36.25

x + y = 7.25

y = 7.25 - x

So, Eq[1] can be written as -

4x + 3(7.25 - x) = 26.5

4x - 3x + 21.75 = 26.5

x = 26.5 - 21.75

x = 4.75

and

y = 7.25 - x

y = 7.25 - 4.75

y = 2.50

Therefore, the cost of a single burger is $4.75 and that of fries is $2.5.

To solve more questions on expressions, visit the link below -

brainly.com/question/14591508

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What is the center of the data in the dot plot? Number of Minutes to Finish the Quiz mc010-1.jpg

Answers

Answer:

2.5

Step-by-step explanation:

because is 5 and 5 doesn't have a middle number

k=1; f(x)=4x^3-2x^2+2x+4; Lower bound?

Answers

Given:
[tex]f(x) = 4x^{3} - 2x^{2} + 2x + 4[/tex]
and,
K = 1

We would require to do the synthetic division of the above problem in order to know whether K=1 is a lower bound or not. Let's do it!

Steps of Synthetic Division:

1. Write the coefficients of the equation, and before that write 1. Like,

1 ║ 4   -2   2   4

As you can see, the coefficients of the equation are seperated by ║.

2. Drop down the first value after ║as it is. Like:
1 ║ 4   -2   2   4
        :
----------------------
       4

3. Multiply 4 with 1 and then  place the resultant value under -2 and then add that resultant value with -2. Like
1 ║ 4   -2   2   4
        :    4
----------------------
       4   2

4. Repeat Step 3 until you're done.

1 ║ 4   -2   2   4
        :    4   2   
----------------------
       4   2    4   

1 ║ 4   -2   2   4
        :    4   2   4
----------------------
       4   2    4   8


Now every value, +4, +2, +4, +8, under the bar(---------) is positive; therefore, it means that K=1 is the upper bound, NOT lower bound.

Ans: K=1 is NOT a lower bound.
-i

please answer ASAP!
I will give the brainest answer.
18 POINTS!!!

Answers

The answer is c. you just have to look at the red line. you can tell that it is solid so you know that y has to also be equal to the value. Then you can see that it is shaded above the line so that means y is greater than the value. Then since the line is on -1 the answer has to be c, y is greater than or equal to negative 1.

Answer:

the answer is c im pretty sure

A triangle in the xy-coordinate plane has vertices with coordinates (7, 0), (0, 8), and (20, 10). what is the area of this triangle

Answers

A(7,0)
B(0,8)
C(20,10)   ⇒ A (ABC)= 1/2 | det( 7    0     1 ) |  = 
                                                     0   8      1
                                                    20  10    1
                                             
                                                     7      0    1
                                                     0     8      1
=  1/2 |7*8*1+0*10*1+20*0*1 -20*8*1-7*10*1-0*0*1 |=1/2*|-174|=1/2*174
A (ABC)=87 units

The x-intercept of the line x = 3.5 is
. The y-intercept of the line y = -6.5 is
.

Enter your answer as an ordered pair such as (1, 1) or (-2, 2).

Answers

x intercept can be written as (3.5,0) and y-intercept can be written as (0,-6.5)
For this case what you should know is the following:
 x-intercept of the line:
 Occurs when y = 0
 We have then:
 x = 3.5
 Therefore, the ordered pair is:
 (x, y) = (3.5, 0)
 y-intercept of the line:
 Occurs when x = 0
 We have then:
 y = -6.5
 Therefore, the ordered pair is:
 (x, y) = (0, -6.5)
 Answer: 
 x-intercept of the line:
 (x, y) = (3.5, 0)
 y-intercept of the line: 
 (x, y) = (0, -6.5)

Help please!!!!!!!

The length of a text messaging conversation is normally distributed with a mean of 2 minutes and a standard deviation of .5 minutes. What is the probability that a conversation lasts longer than 3 minutes?,

Answers

This would be a bell curve with a z-score of greater than +2.00, since 3 minutes is exactly two standard deviations greater than the mean of 2.00. Looking at a z-score table for the proportion of the curve that lies in the 1-tailed area greater than 2.00, we find that the value is .0228. This would be the probability that the conversation is over three minutes: 0.0228 or 2.28%.

please help I will mark brainlist if correct

Answers

Hi there!

Since the slope of a line perpendicular to a line is always the negative inverse of that slope, you just switch the numerator and denominator around and add or omit the negative sign to the original slope.

The answer would be -2.

Hope this helps!

Jefferson Park sits on one square city block that measures 300ft on each side. Sidewalks join opposite corners. About how long is each diagonal sidewalk?

Answers

You have a 300 feet side length square and you need to calculate the length of the diagonal. When you split the square along one diagonal you get triangles, so you can apply Pythagoras' Theorem, with the hypotenuse as the needed diagonal.
a²+b²=c²
300²+300²=c²
2*300²=c²
√(2*300²)=c
√(2) * √(300²)=c
√(2) * 300=c
c~424.26 ft which is the solution/option c


Find the quotient (line over 42 is repeating)
_
(0.42. Divided by 2/9)
A)84/891
B)189/100
C)21/11
D)21

Answers

 The correct answer is:  [C]:  " [tex] \frac{21}{11} [/tex] " . 
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Explanation:
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Let us begin by converting the:  
"0.42 (with the "repeating bar on the digits, "42") " ;  

into a fraction, as follows:
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   Let  x = 0.42424242424242424242424242424242....

100x = 42.42424242424242424242424242424242....
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         100x = 42.42424242424242424242424242424242....
    –         x =   0.42424242424242424242424242424242...
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          99x = 42.000000000000000000000000000000.... ;

         →   99x = 42 ;  

Divide each side of the equation by " 99 " ;  
       to isolate "x" on one side of the equation; & to solve for "x" ; 
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         →  99x / 99 = 42/99 = (42 ÷ 3) / (99 ÷ 3) = 14/ 33; 

         →  x = "[tex] \frac{14}{33} [/tex]" .

So;  "0.42 (with a repeating bar over the digits, "42" ;

           is equal to:  "[tex] \frac{14}{33} [/tex]" 
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 So, rewrite the question/problem being asked:
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  "Find the quotient:  
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   [tex] \frac{14}{33} [/tex]  ÷ [tex] \frac{2}{9} [/tex]  ;

=  [tex] \frac{14}{33} [/tex] * [tex] \frac{9}{2} [/tex]  ;

Note:  The "14" cancels to a "7" ; and the "2" cancels to a "1" ; 
       →  {since:  " 14 ÷ 2 = 7 " ; and since:  " 2 ÷ 2 = 1 "} ;

Note : The "33" cancels to an "11" ; and the "9" cancels to a "3" ;
        →  {since:  " 33 ÷ 3 = 11 " ; and since:  " 9 ÷ 3 = 3 "} ;

And we can rewrite the problem as:
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 " [tex] \frac{7}{11} [/tex]  * [tex] \frac{3}{1} [/tex] "  ;

  =  [tex] \frac{(7*3)}{(11*1} [/tex]   =  [tex] \frac{21}{11} [/tex]

            → which is:  Answer choice:  [C]:  " [tex] \frac{21}{11} [/tex] " .
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For the first 7 months of the year, the average precipitation is toledo, ohio, is 19.32 inches. if the average precipitation is normally distributed with a standard deviation of 2.44 inches, find these probabilities: a randomly selected year will have precipitation greater than 18 inches for the first 7 months.

Answers

Answer: The correct answer is 70.54%.

The first thing to do is find the z-score for precipitation over 18 inches. You have to subtract the value from the mean and divide by the standard deviation.

18 - 19.32 = -1.32 / 2.44 = -0.54

Now, just look up the z-score of -0.54 on a standard normal distribution table and you will see that 29.46% of the scores are below 18 inches. Therefore, there are 70.54% scores above 18 inches.
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