1. Write using exponents. (–4)(–4)

Answers

Answer 1
Exponents are used as a shorthand notation for repeated multiplication.
  [tex] (-4)(-4) = (-4)^{2}[/tex]

Related Questions

Sandra got a 3/27 balloon mortgage and her initial payments were $945. She decided to refinance her balloon payment with a 30-year mortgage and her new payments were $937. What is the total financed cost she paid for her house?

Answers

371,340 (APEX) hope this helps.

Sandra got a 3/27 balloon mortgage and her initial payments were $945.

This means Sandra paid $945 per month for 3 years. Total payment made in 3 years = 945*3*12 = $34,020

Later, she decided to refinance her balloon payment with a 30-year mortgage. Her new payments were $937.

Payment made under mortgage = 937 * 30 * 12 = $337,320

The total financed cost she paid for her house = $34020 + $ 337320 = $371340

Hope this helps..!!

Thank you :)

The diagonals of an isosceles trapezoid are not congruent. true or false

Answers

False.

If the trapezoid is isosceles, the diagonals will be congruent. (The shape has mirror symmetry about the line connecting the midpoints of the bases. The point where the diagonals cross is on that line of symmetry.)
false on apex. good luck!

Which algebraic expression is equivalent to the expression below? (7x - 15) + 15
a. 7x - 30
b. 7x
c. 105x
d. 7x + 30

Answers

7x-15+15 is the same as 7x
(7x - 15) + 15 = 7x
Answer b. 7x

Because -15 +15= 0

Blue and white tiles are used to decorate a wall. The ratio of blue to white tiles is 7:2. There were 180 tiles used in all. How many blue tiles were used?

Answers

there were 140 blue tiles
the answer is 140 blue tiles were used 

Triangle ABC is similar to triangle FGH. Angle A measures 42 degrees. Angle B measures 19 degrees. Find the measure of angle H.

42

19

119

29

Answers

IF triangle ABC is similar to triangle FGH, then angles of this triangles are equal.
Let's find the angle C:
∠C=180-42-19=119
Then ∠H=119
Answer: 119 degrees

You are working on a proof. You know that A and B are on the perpendicular bisector of CD. What can you conclude? A) AC = BD B) CB = AD C) AC = AD D) AB = CD

Answers

You can only conclude that AC = AD  

Its C

Which example best represents balanced forces

Answers

The forces are equal and opposite, the book remains at rest, representing a state of balanced forces.

Balanced forces occur when the net force acting on an object is zero, meaning that the forces are equal in magnitude and opposite in direction. As a result, the object remains in a state of equilibrium and does not accelerate.

One example that best represents balanced forces is:

A book resting on a table.

When a book is placed on a table, it doesn't move because the force of gravity pulling it down (its weight) is balanced by the normal force exerted by the table, pushing the book upward.

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(02.01 LC) Solve: negative 1 over 2 x + 3 = −x + 7 (5 points) 1 over 2 8 −8 2

Answers

Answer:

2 8 -8 2

Step-by-step explanation:

The correct answer is [tex]-\frac{1}{2}x + 3 = -x + 7$ is $x = 8[/tex].

To solve the equation [tex]-\frac{1}{2}x + 3 = -x + 7[/tex], we can follow these steps:

Step 1: Combine like terms on both sides of the equation.

[tex]-\frac{1}{2}x + 3 = -x + 7[/tex]

[tex]\frac{1}{2}x - 3 = x - 7[/tex]

Step 2: Subtract [tex]x[/tex] from both sides to isolate the terms with [tex]x[/tex].

[tex]\frac{1}{2}x - 3 - x = -7[/tex]

[tex]-\frac{1}{2}x - 3 = -7[/tex]

Step 3: Add 3 to both sides to isolate the term with [tex]x[/tex].

[tex]-\frac{1}{2}x = -4[/tex]

Step 4: Multiply both sides by [tex]-2[/tex] to solve for[tex]x[/tex].

[tex]-2 \left(-\frac{1}{2}x\right) = -2(-4)[/tex]

[tex]x = 8[/tex]

Therefore, the solution to the equation [tex]-\frac{1}{2}x + 3 = -x + 7$ is $x = 8[/tex]

Write two operations in order that you would use to solve the equation 3x - 2=7 then solve the equation

Answers

Here’s how to solve it:
3x = 7 + 2
3x = 9
x = 9/3
x = 3

3x-2=7

You first subtract 2 from both sides, so 2-2=0 & 7-2=5

3x=5

Then you divide 3 from both sides to get “X” alone, 3x/3= 1x (but the the one is invisible so it equal “X”) and then 5/3= 1.66666..

So the answer to this problem is

X=1.6

Factor x2 – 3x – 28. Identify the values that should be written to complete the X diagram. On the top: On the bottom: On the sides: Rewrite the expression using the numbers on the sides of the X diagram. Use double grouping to factor the four terms. x2 – 3x – 28 =

Answers

x^2 -3x -28
= x^2 -7x +4x -28
= x(x -7) +4(x -7)
= (x +4)(x -7)

-28


-3


-7 and 4

(x-7)(x+4)

which cream cheese has the lowest price per ounce?

A: $2.59 for 6oz
B: $2.89 for 8 oz
C: $4.29 for 12 oz
D: $5.29 for 14 oz

Answers

Answer:the correct answer is $4.29 for 12 oz.

Step-by-step explanation:

The cream cheese which has the lowest price per ounce is the one which is $4.29 for 12 oz. Thus, the correct option is C.

What is Ounce?

The ounce is any of the several different units of mass, weight or volume and it is derived almost unchanged from the uncia, unit of measurement.

The ounce is 1/16 avoirdupois pound. This is the United States customary and British imperial ounce. Ounce is primarily used in the United States to measure packaged foods and food portions, areal density of fabric and paper, boxing gloves, and so on, but it is sometimes also used elsewhere in the Anglosphere.

The price for per ounce of different cream cheese will be:

a. 2.59/ 6 = 0.431

b. 2.89/ 8 = 0.361

c. 4.29/ 12 = 0.357

d. 5.29/ 14 = 0.377

Therefore, the cream cheese which has the lowest price per ounce is the one which costs $4.29 for 12 oz.

Therefore, the correct option is C.

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Let A = 40. If B is complement of A, and C is a supplmenet of B, what is B+C?


A. 60
B. 150
C. 180
D. 210

Answers

Option C: 180 
Explanation:
 Complementary angles add upto 90 degrees and supplementary angles add to 180 degrees
 Given A=40
 B = Complement of A =90-40 =50
 C = Supplement of B = 180-50 =130
 Therefore B+C = 50 +130 =180.

Four bars of soap cost $1.12. What would you pay for 2 dozen bars? (1 dozen=12)

Answers

4 bars = $1.12
Multiply the above equation by 6.
24 bars = $6.72 . . . . . . the cost for 2 dozen bars.

The perimeter of an isosceles triangle is 14 cm. One of its sides is twice longer than another of its sides. Find all sides of the triangle.

Answers

An isosceles triangle has 2 equal sides so the 3 sides = a a and b
The side that is twice longer than another side make it equal 2*a.
So the total of the 3 sides would equal 14
4a = 14
So 2 sides = 3.5 and the third side = 7.
3.5 + 3.5 + 7 = 14


Answer:

Step-by-step explanation:

2.8, 5.6, 5.6

Which of these is a simplified form of the equation 8y + 4 = 6 + 2y + 1y?
5y = 2
5y = 10
11y = 2
11y = 10

Answers

Hopefully this helps 

Answer:

paxx17 is correct.

Step-by-step explanation:

I got the question correct because of them.

Nelly owns farm land that has an area of 4.2 × 102 acres. Each year, the farm produces 6.72 × 104 bushels of corn. What is the average amount of corn produced per acre represented in scientific notation?

A) 2.82 × 107 bushels per acre
B) 1.6 × 102 bushels per acre
C) 1.6 × 103 bushels per acre
D) 2.82 × 106 bushels per acre
E) 1.6 × 101 bushels per acre

Answers

The average amount of corn produced per acre represented in scientific notation can be found using the below formula:

[tex] The \;average\; amount\; of\; corn\; per\; acre=\frac{Bushels \; of\; corn\; produced\; in\; farm}{Area\; of\; farm\; in\; acres} [/tex]

We are given:

[tex] Area \; of\; FARM\; land= 4.2 \times 10^2 \; acres\\ \\ Amount \; of\; corn\; produced=6.72\; \times \; 10^4 \; bushels [/tex]

Substituting the above information in the formula, we get...

[tex] The \; Average\; amount\; of\; corn=\frac{6.72 \times 10^4}{4.2 \times 10^2} \\ \\ \frac{6.72}{4.2} \times \frac{10^4}{10^2}\; =\; 1.6 \times 10^{4-2}\; =\; 1.6 \times 10^2\\ \\ [/tex]

Conclusion:

[tex] The \; Average \; amount\; of \; corn \; is\; 1.6 \times 10^2 \; Bushes\; per\; corn [/tex]

The average amount of corn produced per acre represented in scientific notation is option B)[tex] 1.6 \times 10^2 [/tex]bushels per acre

Le answer is B 1.6 × 102 bushels per acre

Jordan is 4 feet 8 inches tall, her mother is 5 ft 10 inches tall, how much taller is Jordan's mother than Jordan? Give your answer in feet and inches.

Answers

since it takes 4 in to get to 5 ft from 4ft 8in and another 10 inches to get to 5ft 10in, that give you a total of 14 inches. And there are 12 inches in a foot, So the answer is 1ft 2in.
Jordan's mom is I foot and 2 inches taller than Jordan

I need help please with this math problem

Answers

When the dilation is centered on the origin, you can multiply each of the individual coordinates by the scale factor.

All the coordinates are ±5 and the scale factor is 1/5. Multiplying those gives ±1. The only selection with all coordinates being ±1 is
.. Selection A.

You can check to see if the signs agree in detail. (They do.)

Which graph shows a proportional relationship? help!!

Answers

Graph C and D because they make sense

Rashad draws a figure and divides it into equal parts. Two of the parta are red. The other 4 parts are blue. Rashad saya that 2/4 of the figure is red. What error is he making? Explain. Then write the correct fraction of the figure that is red.

Answers

Let
x--------------> the complete figure 
we know that
the figure is divided into 6 equal parts
x= (x/6)+(x/6)+(x/6)+(x/6)+(x/6)+(x/6)
red=(x/6)+(x/6)--------> red=(2x/6)=x/3
blue=(x/6)+(x/6)+(x/6)+(x/6)=(4x/6)=2x/3

Rashad say that 2/4 of the figure is red-------> Rashad is wrong
because (2/4) It is half of the figure

the correct thing is to say (1/3) o the figure is red and (2/3) of the figure is blue

Answer:

Step-by-step explanation:

Which of the following situations models a geometric sequence? Select all that apply.

Answers

Answer:

Options 1, 3, 4.

Step-by-step explanation:

We will check each and every option given here.

1) Amount of cell phone users increases by 33% every year.

Its a geometric sequence because the number of users are increasing exponentially every year.

2) Amount of cakes in bake sale increases by 3 each year the fundraiser is held.

amount of cakes is increasing with a common difference of 3 so it's an arithmetic sequence.

3).Uranium loses half of its weight every 415 years.

Exponential decay in every 415 years. So geometric sequence with a common ratio of 1/2.

4).A family of rabbits doubles in size every 3 months.

Exponential series again so geometric sequence with a common ratio of 2.

5).Car drives at a constant speed of 58 mph.

Its a linear function representing an arithmetic sequence with a common difference of 58 mph.

6). Number of students increases by 122 every year.

An arithmetic sequence with a common difference of 122.

7). Number of pieces of chalk in a class room decreases by 10 throughout the school year.

It's an arithmetic sequence having common difference of 10.

Amount of cell phone users increase by 33% every year. Uranium loses half of its weight every 415 years. A family of rabbits doubles in size every 3 months. Then the correct options are A, C, and D.

What is a geometric sequence and how to find its nth terms?

Suppose the initial term of a geometric sequence is a and the term by which we multiply the previous term to get the next term is r.

Then the sequence would look like

a, ar, ar², ar³,.....   (till the terms to which it is defined)

Amount of cell phone users increase by 33% every year.

It's a geometric sequence because the number of users is increasing exponentially every year.

Uranium loses half of its weight every 415 years.

Exponential decay every 415 years. So geometric sequence with a common ratio of 1/2.

A family of rabbits doubles in size every 3 months.

Exponential series again so geometric sequence with a common ratio of 2.

Then the correct options are A, C, and D.

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The circus is coming to town. Cindy is selling tickets. The first day she sold 8 adult tickets and 5 children tickets for a total of 177.50 in sales. The second day she received $255.00 for 12 adult tickets and 6 children tickets.

Answers

let the price of adult ticket and children ticket be a and c respectively
8a+5c=177.50 -> 24a+15c=532.5
12a+6c=255.00 -> 24a+12c=510

24a+15c-24a-12c=532.5-510
3c=22.5
c=7.5
a=17.5

Average Monthly Temperature Month Temperature January 45 degrees February 42 degrees March 54 degrees April 62 degrees May 78 degrees June 85 degrees July 92 degrees August 94 degrees September 89 degrees October 78 degrees November 65 degrees December 54 degrees The average monthly temperatures for the city of Mathville are given in the chart above. One year was particularly warm, and the average temperature each month increased by 5°. What did this do to the average yearly temperature? A) The average remained the same. B) The average increased by 5°. C) The average decreased by 5°. D) The average increased by 60°.

Answers

Let 
x------------> the average yearly temperature

if One year was particularly warm, and the average temperature each month increased by 5°
in one year the temperature increased------->5*12-----> 60°
so
[the new average yearly temperature]=x+(60)*12-------> x+5°

therefore 

the answer is the option
B) The average increased by 5°. 

Please help if you do not know the answer don’t comment in the answer box just for points

The box plots show the distributions of daily temperatures, in °F, for the month of January for two cities.

Which statements are true about the distributions? Check all that apply.

a. Both distributions are symmetric.

b. Both distributions are skewed right.

c. Both distributions are skewed left.

d. The mean and standard deviation would be the best measures to compare the data.

e. The median and IQR would be the best measures to compare the data.

Answers

I don't know all of them but I can tell you that B and E are answers that you should check.

Hey, the answers are

Both distributions are skewed right.

The median and IQR would be the best measures to compare the data.


That is B and E

m ∠ U = (2x−5)° and m ∠W = (x+38)°What is m ∠W?
Question 1 options:

49°

180°

87°

90°

Answers

m∠U=(2x-5) and m∠W=(x+38)
m∠U+m∠W=180
(2x-5)+(x+38)=180
3x+33=180
3x=180-33
3x=147
x=147/3
x=49

m∠W=x+38=49+38=87°

Solve the system of equations using the linear combination method.

{5m+3n=41
3m−6n=9

Enter your answers in the boxes.

m =

n =


Solve the system of equations using the linear combination method.

{6g+8h=40
−6g+2h=−20

Enter your answers in the boxes.

g =

h =


Solve the system of equations using the linear combination method.

{9x+5y=35
2x+5y=0

Enter your answers in the boxes.

x =

y =

Answers

1. 5m+3n=41   
3m-6n=9 (multiplying the first equation by 3 and the second by 5), we get;

15m+9n=123
15m-30n= 45 (subtracting the two equations)         
39n = 78           
     n = 2, and
to get m we substitute n with 2
       3m = 9+6(2)                       
             3m = 21                   
                m = 7
Therefore, n=2 and m=7

2. 6g +8h=40
    -6g +2h = -20(Adding the two equations to eliminate g)
             10 h= 20
                 h =2 
to get g we substitute h with two
6g= 40- 8(2)
    = 24
    g= 4
Therefore, g =4 and h =2

3. 9x +5y =35
    2x + 5y =0 (subtracting the two equations to eliminate y)
           7x =35
             x= 5
To get y we substitute x with 5
5y=35-9(5)
  5y = -10
    y = -2
Therefore, x=5 and y=-2

Answer:

1. n=2 and m=7

2. g =4 and h =2

3. x=5 and y=-2

Step-by-step explanation:

I took the test

Which expression is equivalent to(3m^-2 n)^-3/6mn^-2? Assume

Answers

Final answer:

To simplify the expression (3m⁻² n)⁻³/6mn⁻², follow the steps: apply the negative exponent rule, simplify by multiplying the exponents, and rearrange and combine like terms if necessary.

Explanation:

To simplify the expression (3m-2 n)-3/6mn-2 , let's break it down step by step:

Step 1: Apply the negative exponent rule. To do this, we can move any term with a negative exponent from the numerator to the denominator or vice versa. In this case, the term m-2 can be written as 1/m2.

Step 2: Simplify the expression by multiplying the exponents. The exponents in the expression can be added since they have the same base (m).

Step 3: Simplify further by rearranging and combining like terms if necessary.

Putting it all together, the expression is equivalent to (1/3m4n6)1/6mn-2.

What is the area of a sector with a central angle of 5pi/7 radians and a diameter of 5.6 in.? Use 3.14 for pi and round your final answer to the nearest hundredth.

Answers

By definition, the area of a circular sector is given by:
 [tex]A = \frac{x\pi r^2}{360} [/tex]
 Where,
 r: radius of the circle
 x: central angle
 The central angle in degrees is given by:
 [tex] x = \frac{5 \pi }{7}* \frac{180}{ \pi } = \frac{5}{7}* 180 x = 128.6[/tex]
 Substituting values we have:
 [tex]A = \frac{128.6*3.14*( \frac{5.6}{2} )^2}{360}[/tex]
 [tex]A = 8.79[/tex]
 Answer:
 
the area of a sector with a central angle of 5pi/7 radians and a diameter of 5.6 in is:
 
[tex]A = 8.79[/tex]

What is the area of this triangle A=bh2

Answers

Area of a triangle = 1/2 b h
 where b is the base and h is the height
base = 6 in and height = 8 in
 Area = 1/2 ×6×8
         =  24 square inches
Therefore, the area of the triangle is 24 square inches
◆ TRIANGLES ◆

[tex]we \: know \: that \: \: , \\ \\ area \: of \: triangle \: = \frac{1}{2} \times base \times height \\ \\ or \: ,area \: of \: triangle \: = \frac{1}{2} \times base \times perpendicular \\ \\ here \: , \\ base = 6 \: in \\ perpendicular = 8 \: in \\ hypotenuse = 10 \: in \: \\ \\ therefore \: \: , \: \\ area \: of \: triangle \: = \frac{1}{2} \times 6 \times 8 \\ \\ = 24 \: {in}^{2} \: \: \: \: \: ans.[/tex]

PLEASE SOMEONE HELP!!

IS THE CHOICE I PICKED CORRECT??

IF NOT, PLEASE TELL ME WHICH ONE IT IS??

Answers

Your answer is right because just looking at others doesn't match the information given. So yes, you are correct!

Hope that helped!
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