Please help me! I'm so lost t-t!!

Factor completely.

x^2−8x+15

Enter your answer in the box.

Answers

Answer 1
factor out x² and find factors of 15 that give you -8

x² - 8x + 15
x             -5
x             -3

(x-5)(x-3)

x = 5, 3

hope this helps

Related Questions

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

where would square root 67 be located on a number line

Answers

Between 8 and 9, but closer to 8 - 8.1 to be exact.
it would be closer to 8 because if we want to be exact it is 8.1

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°).

At a recent holiday party, 4/5 of the attendees were company employees and the rest were their guests. if 2/3 of the employees who attended were engineers, what was the number of non-engineer employees who attended? there were 225 total attendees at the party. there were 45 attendees who were guests of the employees.

Answers

There were 225 people who attended the party.

------------------------------------------------------
4/5 of the attendees were employee:
------------------------------------------------------

[tex] \dfrac{4}{5} \times 225 = 180[/tex]


There were 180 employees.

------------------------------------------------------
2/3 of the employees were engineers:
------------------------------------------------------

[tex]\text {Fraction of non-engineers = } 1 - \dfrac{2}{3} = \dfrac{1}{3} [/tex]

------------------------------------------------------
Number of Non-engineers :
------------------------------------------------------

[tex]\text { number of non-engineers = } \dfrac{1}{3} \times 180 = 60[/tex]

----------------------------------------------------------------------------------------------------
Answer: There were 60 non-engineers employees that attended the party.
----------------------------------------------------------------------------------------------------


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.

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

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

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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%.

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

NEED HELP ASAP!
SHOW WORK FOR 1. b, c, d and e!!!


RANDOM ANSWERS WILL BE MODERATED!

Answers

1a) It is an arithmetic sequence with a first term of 5 and a common difference of (9-5) = (13-9) = 4.

1b) a[1] = 5; a[n+1] = a[n]+4

1c) a[n] = 1+4n

1d) Yes. (2013 -1) = 2012 is divisible by 4.

1e) (533 -1)/4 = 133 . . . terms

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.

The quadrilateral WXYZ has vertices W(3,-5) X(1,-3) Y(-1,-5) and Z(1,-7)
Perform r(90 degrees, 0) (WXYZ) and state the coordinates of the vertices

Answers

Final answer:

After performing a 90 degree rotation about the origin on the points, the new coordinates for W, X, Y, and Z respectively are (5,3), (3,1), (5,-1), and (7,1).

Explanation:

In this problem, the task is to rotate a quadrilateral 90 degrees about the origin (0,0). The rule for rotation of points in the plane about the origin by 90 degrees is (x, y) -> (-y, x).

The new coordinates are,

For W(3,-5), it will become W'(-(-5),3) which equals W'(5,3) after rotating 90 degrees. For X(1,-3), it will become X'(-(-3),1) which equals X'(3,1) after rotating 90 degrees. For Y(-1,-5), it will become Y'(-(-5),-1) which equals Y'(5,-1) after rotating 90 degrees. For Z(1,-7), it will become Z'(-(-7),1) which equals Z'(7,1) after rotating 90 degrees.

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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

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.

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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.

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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

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

what is this difference of the polynomials? (x^4+x^3+x^2+x)-(x^4-x^3+x^2-x)

Answers

//////////////////////////////2x^3 + 2x                                                        

Answer:2x^3+2x

Step-by-step explanation:

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.

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.

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.

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!

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)

Victoria wants to purchase a skateboard. She has $125 to spend. She finds one that regularly sells for $139.99 and is on sale for 15% off. Sales tax is 7%. Victoria says that she has enough money to buy the skateboard. Is she correct? Explain.

Answers

we know that
Victoria has $125 to spend

[purchase price skateboard]=$139.99-0.15*$139.99-----> $139.99-$21
[purchase price skateboard]=$118.99

sales tax is 7%----------> 0.07*$118.99----------> $8.33
sales tax is $8.33

Victoria has to pay [$118.99]+[$8.33]=$127.32
$127.32 > $125
therefore
Victoria has not enough money to buy the skateboard

the answer is
Victoria has not enough money to buy the skateboard


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

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

HURRYYYYYY!!!!!!!!!!!!!!!!!

SOMEONE HELP ME ON THIS

~ BRAINLIEST AVAILABLE

Answers

I would say B. g(x) eventually exceeds f(x) because g(x) is increasing exponentially. 

As shown, f(x) = x + 4 and g(x) = (5/4)^x. This shows that f(x) is in fact Arithmetic (since its addition) and g(x) is Geometric (since its multiplication).

On a graph, Arithmetic sequences have a linear shape, while Geometric sequences have a exponential shape.

Example: x = 20
f(x): (20) + 4 = 24
g(x): (5/4)^(20) = 86.7

So, g(x) does in fact eventually exceed f(x).

The football coach bought enough sports mix to make 60 L of a sports drink.


How many cups of the sports drink can the coach make?

(1 L ≈ 2.11 pt)


Question 3 options:

56.9 cups

63.3 cups

253.2 cups

267.1 cups,

Answers

your answer is 253.2 cups. 60L=126.6 pints. two cups in a pint makes 253.2 cups.

how do you factorise 15x+10

Answers

15x is 5 x 3x 
-10 is 5 x -2 
So 3x and -2 go in brackets 
So the answer is 5(3x - 2)

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

Answers

The answer is sometimes

Other Questions
Match your vocabulary word to its definition. In the house of representatives, the majority leadera. is superior in formal powers to the speaker of the house.b. is the same office as the speaker of the house.c. does not exist.d. has the same powers as the speaker of the house but is a different office.e. is subordinate to the speaker of the house. The function f(x) is defined as follows: f(x)= 3x+1 if x is less than or equal to 0 2x^2 if 0 4 if c is greater than or equal to 2determine the following values of the functionf(-3)= __ f(2)= ___ A young woman had a baby and wished to collect child support from the father. her blood type is ab and the baby's blood type isa. there are two possible fathers: jim (who is typea.and michael (who is type o). which man could be the father? Jenny has saved $3,800 over the last 12 months. She saved either $250 or $350 a month. During the 12 month period, how many times did Jenny save $250 for the month? A)3 B)4 C)5 The term "Information Superhighway" is associated with which of the following networks? a. the Web b. ARPANET c. Internet d.UsenetThe correct answer is "C" Water molecules are ____________ due to _________bonding. This property helps water molecules to stick to each other and allows for the movement of water from plant roots up to plant leaves. A)cohesive; ionic B)cohesive; hydrogen C)adhesive; hydrogen D)adhesive; covalent When assessing an older adult client, the nurse recognizes the client has a significant hearing loss. the most appropriate intervention by the nurse is toa. shout into the client's good ear.b. repeat words the client doesn't understand.c. introduce herself first.d. check the hearing aid batteries? Evaluate m+n2 if we know m= 2 and n =-2 I need help, the longer I look at this question the more I confuse myself!!! Consider the unbalanced equation:HC2H3O2 (aq) +Ba(OH)2 (aq) --> H2O (l) +Ba(C2H3O2)2 (aq)balance the equation and determine how many moles of Ba(OH)2 are required to completely neutralize 0.461 mole of HC2H3O2. Which of the following atoms would have the greatest velocity if each atom had the same kinetic energy? You have decided to buy a new car, but you are concerned about the value of the car depreciating over time. You do some research on the model you are looking at and obtain the following information:Suggested retail price - $18,790Depreciation per year - $1385 (It is assumed that this value is constant.)The following table represents the value of the car after n years of ownership. Which of the following describes the role of a refrigerant in an air conditioner? to absorb heat flow from air molecules circulating around the refrigerant tubing cools the air molecules by adding cool energy to the air as it is circulated around the refrigerant tubing increases the specific heat of the air molecules and allows them to release more heat once cooled decreases the specific heat of the air molecules and allows them to absorb more heat before cooling There are 5 boys and 10 girls in the glee club. Which ratio represents the number of boys in the club to the total number of students in the club?a. 1/3b. 1/2c. 2/3d. 3/1 A flying squirrel lives in a nest that is 15 feet high in a tree. To reach a fallen acorn that is 8 feet from the base of the tree, how far will the flying squirrel have to glide? The parts of the body that can experience negative physiological effects from alcohol abuse are: A. Blood, Stomach, and ThroatB. Kidneys, Skin, and BloodC. Skin, Sight, and HearingD. Hearing, Sight, and Throat What measuring tool is used to measure the distance in which a part can move freely? The bacteria in a colony are unable to perform transduction. How would this hurt the bacterial company's chance for survival ___________________ involves determining who is responsible for actions taken. helppppppppppppppppppppppp