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Marizza181 [45]
3 years ago
11

9. You have a globe that has a diameter of 22 inches. Find the volume of

Mathematics
1 answer:
Savatey [412]3 years ago
3 0
I think the answer is that what i think
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Triangle ABC is a right triangle.
mina [271]

Answer:

They are complementary.

Step-by-step explanation:

we know that

The sum of the interior angles of a triangle must be equal to 180 degrees

so

A+B+C=180°

where

A,B and C are the measures of the interior angles of triangle

In a right triangle

The measure of angle C ( I assume that the right angle is C) is equal to 90 degrees

so

A+B+90°=180°

A+B=180°-90°

A+B=90°

Remember that

If two angles are complementary, then their sum is equal to 90 degrees

therefore

A and B are complementary angles

3 0
3 years ago
Read 2 more answers
Find the measure of one interior angle for a regular 21 gon
larisa86 [58]

Answer:162.9

Step-by-step explanation:I gotchu

3 0
3 years ago
TOU
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The answer is quadrant 2
7 0
3 years ago
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Need help with this
m_a_m_a [10]

Answer:

4.3

Step-by-step explanation:

The area of a circle is pi(radius 2) So, the radius is just half of the diameter. The radius of the baseball is 1.5 and 1.5 x 1.5 x 3.14(pi) is 7.065. Then for the softball, 3.8/2 is 1.9, and 1.9 x 1.9 x 3.14(pi) is 11.3354 then 11.3354-7.065 is 4.2704 and that rounded, is 4.3

Hope this helped!❤

3 0
2 years ago
Which expression is equivalent to x^4 + 4x^2 - 45?
Nikitich [7]

Answer:

( {x}^{2}  - 5)( {x}^{2}  + 9) = 0

Step-by-step explanation:

The given expresion is

{x}^{4}  + 4 {x}^{2}  - 45 = 0

We can rewrite this as:

({ {x}^{2}) }^{2}  + 4 {x}^{2}  - 45 = 0

We obtained a quadratic equation in x²

Let us split the middle term to get:

({ {x}^{2}) }^{2}  + 9 {x}^{2}  -  5{x}^{2}  - 45 = 0

We factor by grouping to get:

{x}^{2} ( {x}^{2}  + 9) - 5( {x}^{2}  + 9) = 0

We factor further to get:

( {x}^{2}  - 5)( {x}^{2}  + 9) = 0

The correct answer is A.

6 0
2 years ago
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