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Reptile [31]
2 years ago
15

PLEASE HELP!! DUE SOON!!!

Mathematics
1 answer:
givi [52]2 years ago
7 0

Answer:

D

Step-by-step explanation:

This is because the formula is 4×pi×r^2

So 4×pi×7^2

(7^2=49) now plug that in: 4×pi×49

Combine like terms: 4×49=196

Plug that into the equation: 196pi

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Please help! It’s late! (One question)
SVETLANKA909090 [29]
Answer: Both

Explanation: The triangles all have corresponding congruent angles. We can tell this by finding the third angle of the original problem: 96.

Then you can read each triangle by what it states. Angle A is congruent to the corresponding angles in the other triangles, which are Q and T. Angle B is congruent to the corresponding angles in the other triangles, which are R and U. Angle C is congruent to the corresponding angles in the other triangles, which are S and V.

We know heard similar since they have congruent angle measures in corresponding spots.
3 0
3 years ago
PLEASE HELP!Which of the following statements correctly describes how to tell when a function is positive over a given interval.
denis-greek [22]

Answer: The functions values are greater than 0 over the interval.

Step-by-step explanation:

To tell if a function is positive over a given interval, see if it's below the x-axis or if it's under (since the x-axis represents 0).

  • If it's below, it's less than zero.
  • If it is above, it's greater than zero.

If the interval is above the x-axis, it's positive (greater), and if it's below, it's negative (less).

5 0
2 years ago
Hello, can you please express this without denominators with the work?
Lena [83]
\bf  a^{-{ n}} \implies \cfrac{1}{a^{ n}}\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\\ \quad \\
%  negative exponential denominator
a^{{ n}} \implies \cfrac{1}{a^{- n}}
\qquad \qquad 
\cfrac{1}{a^{- n}}\implies \cfrac{1}{\frac{1}{a^{ n}}}\implies a^{{ n}} \\\\
-----------------------------\\\\
\cfrac{4xy}{mn^5}\implies \cfrac{4xy}{1}\cdot \cfrac{1}{m^1}\cdot \cfrac{1}{n^5}\implies 4xym^{-1}n^{-5}

notice, all you do is, move the factor from the bottom to the top, or from the top to the bottom, and the sign changes, from negative to positive or the other way around, is all there's on that
5 0
3 years ago
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VMariaS [17]
For what are you trying to figure out?
7 0
3 years ago
Solve for r. 42&lt;6-3r&lt;_24<br> Pls help it’s due today
Alika [10]

Answer:

r < -12 and r > -6

Step-by-step explanation:

7 0
3 years ago
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