2 years ago

×+7 = -3× solve for x

Mathematics

1 answer:

Ber [7]2 years ago

7 0

Answer:

this is not a equation.

Step-by-step explanation:

sorry. Do you mean y+7=-3x or something?

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3 years ago

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What is the perimeter of a triangle measuring 3 on each side?

ANTONII [103]

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2 years ago

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there is a line that includes the point (1,5) and has a slope of 15. what is its equation in slope-intercept form?

olchik [2.2K]

Answer:

y = 15x - 10

Step-by-step explanation:

slope is given: 15

(x, y) is given: (1, 5)

plug values into y = mx + b:

5 = (15)(1) + b

solve for b:

b + 15 = 5

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rewrite the equation:

y = 15x - 10

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2 years ago

I'm a kid i asked that question people do you unerstand

Olegator [25]

YESI had to reread it a couple of times.

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3 years ago

What is the best approximation of the length of segment QS? (Note: cos 80° = 0.17)

matrenka [14]

Answer: $QS=11.8cm$

Step-by-step explanation:

1. You have the following information:

- The lenght of $RS$ is 2 centimeters.

- The angle m∠S=80°.

- Cos80°=0.17

2. Therefore, you can calculate the lenght of the segment $QS$ as following:

$cos80=\frac{adjacent}{hypotenuse}$

$adjacent=2cm\\hypotenuse=QS\\cos80=0.17$

3. Substitute values and solve for $QS$ :

$0.17=\frac{2cm}{QS}\\QS=\frac{2cm}{0.17} \\QS=11.76cm$

4. To the nearest tenth:

$QS=11.8cm$

6 0

3 years ago