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4 years ago

What is the slope of a line that runs parallel to y = -x + 7? Use a number to fill in the blank. a0

Mathematics

2 answers:

AysviL [449]4 years ago

8 0

The answer is -1. Hope this helps!

katovenus [111]4 years ago

5 0

Answer: parallel lines have the same slope as the original so the slope would still be -x

Step-by-step explanation:

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CAN SOMEONE ANSWER JUST S4 PLEASE

Sergio039 [100]

Answer:

9x -18+18=43+18

Step-by-step explanation:

added 18 to both sides

hope this helps good luck :)

3 0

3 years ago

Determine if triangle ABC with coordinates A (0, 2), B (2, 5), and C (−1, 7) is an isosceles triangle. Use evidence to support y

kirill115 [55]

Answer:

The triangle ABC is an isosceles right triangle

Step-by-step explanation:

we have

The coordinates of triangle ABC are

A (0, 2), B (2, 5), and C (−1, 7)

we know that

An isosceles triangle has two equal sides and two equal internal angles

The formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

step 1

Find the distance AB

substitute in the formula

$d=\sqrt{(5-2)^{2}+(2-0)^{2}}$

$d=\sqrt{(3)^{2}+(2)^{2}}$

$dAB=\sqrt{13}\ units$

step 2

Find the distance BC

substitute in the formula

$d=\sqrt{(7-5)^{2}+(-1-2)^{2}}$

$d=\sqrt{(2)^{2}+(-3)^{2}}$

$dBC=\sqrt{13}\ units$

step 3

Find the distance AC

substitute in the formula

$d=\sqrt{(7-2)^{2}+(-1-0)^{2}}$

$d=\sqrt{(5)^{2}+(-1)^{2}}$

$dAC=\sqrt{26}\ units$

step 4

Compare the length sides

$dAB=\sqrt{13}\ units$

$dBC=\sqrt{13}\ units$

$dAC=\sqrt{26}\ units$

$dAB=dBC$

therefore

Is an isosceles triangle

Applying the Pythagoras Theorem

$(AC)^{2} =(AB)^{2}+(BC)^{2}$

substitute

$(\sqrt{26})^{2} =(\sqrt{13})^{2}+(\sqrt{13})^{2}$

$26=13+13$

$26=26$ -----> is true

therefore

Is an isosceles right triangle

8 0

3 years ago

Assume that 0 a. 25/24<br> b. -25/24<br> c. 24/25<br> d. -24/25

lina2011 [118]

Answer: it is b

Step-by-step explanation:

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3 years ago

Charlotte reads 8 1/2 pages in 10 minutes. What is her average reading rate in pages per minute?

adelina 88 [10]

Answer:

0.85 pages per minute

Step-by-step explanation:

8 1/2 ÷ 10 = 8.5 ÷ 10 = 0.85

5 0

3 years ago

Nancy created a graph to predict the pay she will take home after taxes are taken from her income. Using the information on the

deff fn [24]

The answer is c. 0.8

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3 years ago

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