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julsineya [31]
3 years ago
15

Write an equation in slope

Mathematics
1 answer:
lyudmila [28]3 years ago
7 0

Answer:

y = 2x + 4

Step-by-step explanation:

You already know the slope, so now you need to find the y-intercept. You need to plug in the values of x and y into the equation, y = 2x + b.

y = 2x + b

2 = 2(-1) + b

2 = -2 + b

4 = b

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A new television set was recently purchased for the common room in a Residence Hall for $428.00 including tax. If the tax rate i
prohojiy [21]

The price of the television set before taxes is $400

<h3>How to find the price of the television set before taxes.?</h3>

The given parameters are:

Price after tax = $428.00

Tax rate = 7%

The price of the television set before taxes is calculated as:

Price after tax = Price before tax * (1 + tax rate)

This gives

$428.00 = Price before tax * (1 + 7%)

Express the percentage as decimal

$428.00 = Price before tax * (1 + 0.07)

Evaluate the sum

$428.00 = Price before tax * (1.07)

Divide both sides by 1.07

Price before tax = $400

Hence, the price of the television set before taxes is $400

Read more about sales tax at:

brainly.com/question/9437038

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5 0
2 years ago
Which of the following shows 7.538 correctly rounded to the ones place?
SVETLANKA909090 [29]

Answer:

8.0

Step-by-step explanation:

7.538 start from 8 which is in the thousandth place. 8 will make the 3 turn into 4. 4 is too low so it doesn't change the 5. the 5 change the 7 to 8. so anything that is 5 and up you round up

5 0
3 years ago
You are buying shirts for an organization. You have $120 to spend. The number of short-sleeved shirts y you buy after buying x l
Makovka662 [10]

The given equation is ⇒ y = -1.2 x + 24

<u>Part A : Graph the equation.</u>

To graph the equation, substitute with values of x then find y

The attached figure represents the table to graph the equation and the graph of the equation.

=============================================

<u>Part B : x-intercept</u>

To find x-intercept substitute with y = 0 and solve for x

∴ 0 = -1.2 x + 24

∴ 1.2 x = 24

∴ x = 24/1.2 = 20

x-intercept is at point (20,0)

==================================================

<u>Part C : y-intercept</u>

To find y-intercept substitute with x = 0 and solve for y

∴ y = -1.2 * 0 + 24

∴ y = 24

∴ y-intercept is at point (0,24)

5 0
4 years ago
What are the coordinates of the orthocenter of △JKL with vertices at J(−4, −1) , K(−4, 8) , and L(2, 8) ?
kompoz [17]

Answer:

K(-4,8) is the ortho center.

Step-by-step explanation:

In a right angled triangle, The vertex of the right angle is the ortho center.

Here we are given

J(-4,-1), K(-4,8) & L(2,8)

Using distance formula we get

JK^{2}= (-4+4)^{2}+ (8+1)^{2}=0+81=81

KL^{2}= (-4-2)^{2}+ (8+-8)^{2}=36+0=36

JL^{2}= (-4-2)^{2}+ (8+1)^{2}=36+81=117

So we can say that

JK^2 + KL^2=JL^2

By converse of pythagorean theorem we get

Hence the Vertex of the right angle is K(-4,8)

K(-4,8) is the ortho center.

7 0
3 years ago
part of the object is a rectangle that is twice as tall it is wide one of the rectangles sides is also a side of a pentagon
VikaD [51]

Answer:

b

Step-by-step explanation:

5 0
3 years ago
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