3 years ago

I don't really understand what I have to do here. Can someone help me please. There's three attachments

Mathematics

1 answer:

GarryVolchara [31]3 years ago

3 0

Use Pythagorean Theorem: a^2+b^2=c^2.

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The diameter of a sphere with a volume of 121.5 cubic mm is ___ mm.

Scorpion4ik [409]

Answer:

Diameter= 6.15

Step-by-step explanation:

Like the radius explanation but multiply the answer by 2.

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3 years ago

What is the slope of a line that is perpendicular to the line whose equation is 2x + y = 4

wel

The slope of the line of the equation given is -2 (by solving for y, you get y = -2x+4).

So, in order to be perpendicular, you must take the negative reciprocal.

The slope would be -1/2.

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2 years ago

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Find the area of this circle.

SashulF [63]

Answer:

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2 years ago

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If you answer all ill give brainliest.

Nonamiya [84]

Answer:

1. 1 < 8

2. 7 > -17

3. n-6 (N could be 7)

4. -4 x 3= -12

5. -5/5= -1 since the sign means greater than or equal to, that could be right.)

6. 3>Z (1) - 1

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2 years ago

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aliya0001 [1]

Answer:

Option B

Step-by-step explanation:

Slope of the line is calculated by the formula:

$m=\frac{y_2-y_1}{x_2-x_1}\\\\$

We have the points ( -2 , 4) and (3 , -5) so plug in the values in the formula:

$m=\frac{y_2-y_1}{x_2-x_1}\\\\m=\frac{-5-4}{3-(-2)}\\\\m=\frac{-9}{5}\\$

so the slope(m) equals -9/5

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3 years ago