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3 years ago

I need help on my homework! 50 points.

Mathematics

1 answer:

Rzqust [24]3 years ago

5 0

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What is the answer for three fourths x equals nine

Dmitry [639]

Answer:

x=12

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

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3 years ago

How to solve these two problems ？

puteri [66]

8) $\theta$ is -0.896 radians

9) length of arc is 41.91 cm

Solution:

Given that,

$tan\ \theta = \frac{-5}{4}$

$\theta$ is in quadrant 4

To find: $\theta$

From given,

$tan\ \theta = \frac{-5}{4}\\\\\theta = tan^{-1} \frac{-5}{4}\\\\\theta = tan^{-1} (-1.25)\\\\\theta = -51.34$

Thus value of $\theta$ is -51.34 degrees

Convert degrees to radians

$-51.34\ degree = -51.34 \times \frac{ \pi }{180}\ radian\\\\-51.34\ degree = -0.896\ radian$

Thus $\theta$ is -0.896 radians

From given,

radius = 15.4 cm

$\theta = \frac{13 \pi }{15}$

The length of arc when angle in radians is:

$arc\ length = r \times \theta\\\\arc\ length = 15.4 \times \frac{ 13 \pi }{15}\\\\arc\ length = 15.4 \times 2.721\\\\arc\ length = 41.91$

Thus length of arc is 41.91 cm

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3 years ago

Can someone help on 18

Anuta_ua [19.1K]

A = 9 (Sorry I can't do the other ones, I haven't learned those ones yet) Hope this helps!! :P

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3 years ago

Hey guys I have a hard time with these questions. Can someone explain it to me? :)

frutty [35]

The slope would be 0

This is basically how you do it if you need more help let me know

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3 years ago

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The volume of a rectangular prism is 57 cubic inches. What is the volume of a

BARSIC [14]

Answer:I'd sayb

Step-by-step explanation:

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