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3 years ago

Find the slope and describe the line. (10,-1) & (7,-1)

Mathematics

1 answer:

Margaret [11]3 years ago

6 0

Answer:

The slope is zero. Since both coordinates have the y-value of -1, they are on the same line on the graph and form a horizontal line with a slope of zero. (a straight horizontal line)

Step-by-step explanation:

use the formula

(y2-y1)/(x2-x1)

to calculate the slope using 2 points

so where (x1,y1) (x2,y2) can be subsituted

so putting it in the formula ...

(-1-(-1))/(7-10)=

0/-3=0

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Read 2 more answers

if 3/5 of a number exceeds it's 2/7 by 44. find the number. the correct and fastest answer will get brainliest

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A number :

$x$

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3/5 of it :

$\frac{3}{5} x \\$

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2/7 of it :

$\frac{2}{7} x \\$

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3/5 of a number exceeds its 2/7 by 44 thus :

$\frac{3}{5} x - \frac{2}{7} x = 44 \\$

(( Find the number )) ---¢ x asked

So we need to solve the above equation for x.

$\frac{3}{5} x - \frac{2}{7} x = 44 \\$

Multiply sides by 35

$(35) \times ( \frac{3}{5} x) - (35) \times ( \frac{2}{7} x) = 35 \times 44 \\$

$(7 \times 3x) - (5 \times 2x) = 4 \times 35 \times 11 \\$

$21x - 10x = 140 \times 11$

$11x = 11 \times 140$

Divide sides by 11

$\frac{11}{11} x = \frac{11 \times 140}{11} \\$

$x = 140$

Done...

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