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Sonja [21]
3 years ago
13

Select the correct answer.

Mathematics
1 answer:
juin [17]3 years ago
7 0

Answer:

81

Step-by-step explanation:

\sqrt{x}  + 3 = 12 \\  \\  \sqrt{x}  = 12 - 3 \\  \\  \sqrt{x}  = 9 \\  \\  {( \sqrt{x} )}^{2}  =  {(9)}^{2}  \\  \\ x = 81

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Write 3x 1/2 in radical form
stiv31 [10]

Answer:

3x^1/2 in radical form is

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8 0
4 years ago
Simplify and Explain Sum:<br> -7 + 9 - 3 * 6 -(5 + 9) ÷ 7
Makovka662 [10]

Answer:

-18

Step-by-step explanation:

Multiply the numbers

3*6

-7 + 9 - 18 - (5 + 9) ÷ 7

Add the numbers

5+9

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Divide the numbers

14÷ 7

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Answer = -18

8 0
3 years ago
Can someone help me with at least one problem and tell me how you got the answer
Vesna [10]
S=16t^2
if t=3 
So you would plug it in
16(3)^2 
Then you multipy 
16*3^2
=144
It is easier if you use a calculator just type in ti 30 calculator online that should help

4 0
3 years ago
Test again help please
netineya [11]

Answer:

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ans is v=19

hope so its the ans

Step-by-step explanation:

mark as brainliest plzzz

4 0
3 years ago
Read 2 more answers
How do you do decrease 280 by 95% 
stealth61 [152]
95% = 0.95

280 - (280 * 0.95)
7 0
3 years ago
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