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Romashka-Z-Leto [24]

3 years ago

12

Select the pair of slopes that are the slopes of perpendicular lines

1 answer:

Elodia [21]3 years ago

6 0

Answer:

do you have a picture

Step-by-step explanation:

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A straight line has slope 1 and goes through the points (0, -1) and (a,3). Find the value of a.

Gala2k [10]

$\bf (\stackrel{x_1}{0}~,~\stackrel{y_1}{-1})\qquad (\stackrel{x_2}{a}~,~\stackrel{y_2}{3}) \\\\\\ \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{3}-\stackrel{y1}{(-1)}}}{\underset{run} {\underset{x_2}{a}-\underset{x_1}{0}}}~~=~~\stackrel{\stackrel{slope}{\downarrow }}{1}\implies \cfrac{3+1}{a}=1\implies 4=a$

8 0

3 years ago

BRAINLIEST FOR CORRECT ANSWER, IM FAILING SCHOOL AND NEED HELP ASAP. EVEN OFFICIAL HELP COUNTS

klemol [59]

Answer:

1. Supplementary angles

2. alternate exterior

3. verticle angles

4. alternate interior

The box matches the numbers. 1 is the answer in the first box, and so on.

Let me know if you have any questions

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3 years ago

What is the length of DE in the right triangle below ?

olganol [36]

B.25
sorry if my writing is not clear

3 0

3 years ago

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Which expression represents the distance the two points, X and Y, on the number line?

Lelechka [254]

The distance between X and Y is at least 6-7 humps.

8 0

3 years ago

What’s the approximate value of x?

drek231 [11]

Answer:

Option C: 4

Step-by-step explanation:

<u>Use the Pythagorean Theorem:</u>

$a^2+b^2=c^2$

$3^2+b^2=5^2$

$9+b^2=25$

$b^2=16$

$b=4$

Therefore, the value of x is 4.

4 0

2 years ago

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