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3 years ago

Which expression is equivalent tothe answer are after the first one

Mathematics

1 answer:

seraphim [82]3 years ago

5 0

It would be D)
Hope this helps

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D(5, 7), E4, 3), and A8, 2) form the vertices of a triangle. What is<br> 2DER?

Sever21 [200]

Answer:

Step-by-step explanation:

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3 years ago

What is y= -5/3 x - 1 graphed

Sphinxa [80]

Answer: $y= -5/3 x - 1$ is graphed like this

Step-by-step explanation:

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3 years ago

Find the slope of a line perpendicular to 2x-y-16

Alekssandra [29.7K]

put the equation 2x - y = 16 in the form of y = mx + c

2x - y = 16

2x = 16 + y

y = 2x - 16

the slope of this line is 2. the slope of a line perpendicular to it would be the negative reciprocal of 2. in other words, it would multiply with 2 to give -1.

you can form this equation with that info

2x = -1

x = -1/2

you can flip and change the sign (numerator) of 2/1

2/1

= -1/2

6 0

3 years ago

The volume of a sphere can be described by the following formula, where V = volume and r = radius of the sphere.

Anika [276]

Option C: $r = \sqrt[3]{\frac{3V}{4\pi} }$ is the right answer

Step-by-step explanation:

Given formula for volume of a sphere is:

$V = \frac{4}{3}\pi r^3$

We have to make r the subject of the formula

Multiplying equation by 3/4

$\frac{3}{4}V = \frac{4}{3} * \frac{3}{4} \pi r^3\\\frac{3}{4}V = \pi r^3$

Dividing both sides by pi

$\frac{3}{4\pi}V =\frac{ \pi r^3}{\pi}\\\frac{3V}{4\pi} = r^3$

Taking cube root on both sides

$\sqrt[3]{\frac{3V}{4\pi} } = \sqrt[3]{r^3} \\ r = \sqrt[3]{\frac{3V}{4\pi} }$

Hence,

Option C: $r = \sqrt[3]{\frac{3V}{4\pi} }$ is the right answer

Keywords: Volume, Sphere

Learn more about volume at:

#LearnwithBrainly

5 0

3 years ago

Help <br> What is the angle measurement of the missing angle in the picture below?

Lunna [17]

Answer:

68⁰

Step-by-step explanation:

90 + 22 = 112

180 - 112 = 68

8 0

3 years ago