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brilliants [131]

3 years ago

9

If the circle in the diagram revolves about the vertical dashed line, which type of geometrical shape will it generate?

1 answer:

photoshop1234 [79]3 years ago

3 0

I think the answer is a solid ring but im not 100% sure

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4. Find the slope of the line through the points (-6, 4) and (8,-4). m =

Aleksandr-060686 [28]

Answer: Hope it helps :)

<u>-4</u>

7

Step-by-step explanation:

You have to use the formula <u>y2-y1</u>

x2-x1

So <u>-4-4</u>

8--6

-4-4= -8

8--6= 14 (two negative signs become a positive sign)

You have -8 over 14

If you simplify it's -4/7 or <u>-4</u>

7

4 0

3 years ago

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Use the Special Right Triangle to evaluate sin 60°, cos 60° and tan 60°. Your answers should be exact (not a decimal).

soldier1979 [14.2K]

Sin(60) = ¹/₂√3
cos(60) = ¹/₂
tan(60) = √3

The answer is D.

4 0

3 years ago

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Havana was born on February 14, 1987. How old was she on her birthday in 2002?

nekit [7.7K]

Havana would be 15 years old

4 0

3 years ago

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Can someone please help me with these two please I'll appreciate it :)

s344n2d4d5 [400]

4.

$\sqrt{64}=8\\\\8\dfrac17=8.14285714...\\\\8.\overline{14}=8.14141414...\\\\ \dfrac{15}2=7,5\\\\\\ \boxed{\ \dfrac{15}2\ \ \textless \ \ \sqrt{64}\ \ \textless \ \ 8.\overline{14}\ \ \textless \ \ 8\dfrac17\ }$

5.

$\sqrt{18}$ doesn't belong with the other three because it is irrational number
The other three can be expressed as a ratio between two <span>integers.

$-\dfrac{10}2=\dfrac{-10\ }2\\\\-13.4=-13\frac4{10}=\frac{-134}{\ 10}\\\\ 22.\overline7=22\frac79=\frac{205}9\\\\\\ \sqrt{18}=\sqrt{9\cdot2}=\sqrt9\cdot\sqrt2=3\sqrt2$
</span>

7 0

3 years ago

Novosadov [1.4K]

I think it's true also

8 0

3 years ago