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Ymorist [56]
3 years ago
13

Hi can someone please help me

Mathematics
1 answer:
jonny [76]3 years ago
3 0

Answer:

Volume = 1436.8 cm³

Step-by-step explanation:

Formula for the volume of a sphere = \frac{4}{3}\pi r^{3}

Here, r = radius of the sphere

For a sphere which has the radius = 7 cm

Volume of the sphere = \frac{4}{3}\pi (7)^3

                                     = 1436.76

                                     ≈ 1436.8 cm³

Therefore, volume of the sphere is 1436.8 cm³.

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Two angles are complementary. If the measure of one angle is twice the measure of the other angle, what is the measure of the la
Alenkinab [10]
Two angles are complementary: x + y = 90 (complementary = 90 degrees)
x = 2y

plug in 2y for x

2y + y = 90
3y = 90
3y/3 = 90/3
y = 30

plug in 30 for y
x = 2y
x = 2(30)
x = 60

x (the largest angle) = 60°


hope this helps
8 0
3 years ago
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Carol is making yogurt smoothies. each smoothie uses 1/3 cup of yogurt. she has 4 cups of yogurt. how many smoothies can she mak
Anestetic [448]

Answer:

12

Step-by-step explanation:

1/3 divide by 4

Take the reciprocal and get 3 times 4

Gives you 12.

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3 years ago
Plot -1, 8, and -11 on the number line.<br> 5<br> 10<br> -10<br> -5<br> 0<br> X
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-1 is the first line after 0

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I hope U understand

8 0
3 years ago
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You are asked to choose a vowel (a, e, i, o, u) from a list, and then to choose either the number 6 or 7. How many possible outc
faltersainse [42]

Answer:

10 possible outcomes

S = {a6, a7, e6, e7, i6, i7, o6, o7, u6, u7}

Step-by-step explanation:

As there are 5 vowels and 2 numbers that have to be chosen, the total outcomes are

= 5x2 = 10

Each vowel can be chosen with 6 or with 7

Let S be the sample space

a vowel will be chosen first then there is possibility that either the number chosen with it is either 6 or 7 so each vowel will have two possible outcomes with the number

S = {a6, a7, e6, e7, i6, i7, o6, o7, u6, u7} ..

4 0
3 years ago
Find the equation of the line through point (3,−3) and parallel to y=3x−4. Use a forward slash (i.e. "/") for fractions (e.g. 1/
exis [7]

Answer:

y =3x - 12

Step-by-step explanation:

I'm fairly certain this is the answer.

Consider the point (3,-3). In terms of variables this is written (x,y).

Remember that the equation for slope is y = mx + b.

In that equation, "b" is your y-intercept, and "m" is your slope.

If 2 lines are parallel, they have the same slope but different y-intercepts. So you can use the slope from the equation y=3x-4 to find the parallel line. You can also plug in the values 3 and -3 to solve for b, our y-intercept.

If we set up the equation, we have -3 = 3(3) + b.

Now solve for b.

-3 = 9 + b

Combine like terms, so that -12 = b, and you have your y-intercept.

To create the equation, take out the coordinate pair that the line passes through, and only have the SLOPE and the Y-INTERCEPT showing in the equation.

Therefore, y = 3x - 12

5 0
3 years ago
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