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Mice21 [21]
2 years ago
7

Write an equation of a line passing

Mathematics
1 answer:
Makovka662 [10]2 years ago
6 0

Answer:

slope of line pass throught jk is 0.5 slope

since line perpendicular to jk then x × 0.5= -1 so slope of line perpendicular is -2

then eq of line is y= -2x -15

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A department store has a sale on shoes. For every pair of shoes, the sale price is 3/4 of the ticket price. If the sale price fo
andre [41]

Answer:

48

Step-by-step explanation:

Let p =  ticket price of the shoes

p * 3/4 = 36

Multiply each side by 4/3

4/3 *3/4 p = 4/3 *36

p = 48

The ticket price is 48 dollars

7 0
2 years ago
What is -4x+5y if x is 3 and y is 5
klasskru [66]
The answer is 13 hope this helps
6 0
3 years ago
Read 2 more answers
1 a-2a-{3a-(4a-5)} i need help plz and on this one to<br> 13(5-t)-(5-t)-12(5-t)
KengaRu [80]

Answer:

1. -5

2. 0

Step-by-step explanation:

<em>1.</em> Distribute the Negative Sign:

=a−2a+−1(3a−(4a−5))

=a+−2a+−1(3a)+−1(−4a)+(−1)(5)

=a+−2a+−3a+4a+−5

Combine Like Terms:

=a+−2a+−3a+4a+−5

=(a+−2a+−3a+4a)+(−5)

Answer:

=−5

<em>2. </em>Distribute:

=(13)(5)+(13)(−t)+−5+t+(−12)(5)+(−12)(−t)

=65+−13t+−5+t+−60+12t

Combine Like Terms:

=65+−13t+−5+t+−60+12t

=(−13t+t+12t)+(65+−5+−60)

Answer:

=0

8 0
3 years ago
Slope of the line (15,20),(-1,11)
masya89 [10]

Answer:

Slope, Angle, & Distance:

Slope: 0.5625

The slope of the line connecting (15, 20) and (-1, 11) is 0.5625

Slope (m): 0.5625

Angle (θ): 29.3578°

Distance: 18.3576

Δx: 16

Δy: 9

Slope Intercept Form:

(y = mx + b)

y = 0.5625x + 11.5625

Step-by-step explanation:

Steps to Find Slope

Start with the slope formula

m=

(y2 - y1)

(x2 - x1)

Substitute point values in the formula

m=

(11 - 20)

(-1 - 15)

Simplify each side of the equation

m=

(11 - 20)

(-1 - 15)

=

-9

-16

Solve for slope (m)

m=0.5625

<h2><em><u>Brainliest?</u></em></h2>
7 0
2 years ago
If y=15 when x=5, find y when x=7, given that y varies directly with x.
Oxana [17]

Answer:

when x = 7, y = 21

Step-by-step explanation:

This is about direct variation. If y varies directly with x, then there is a constant  factor of variation, k. The constant of variation can be found by ʸ⁄ₓ

k = ʸ⁄ₓ

k = ¹⁵⁄₅ = 3

Now that we have found k, we simply multiply x by it to find y (this is because y is directly proportional to x). We plug in our x = 7 to find y at this point.

y = 3x

y = 3(7)

y = 21

4 0
2 years ago
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