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Ket [755]
3 years ago
14

Graph 24 > - 3r 2 - 9

Mathematics
1 answer:
coldgirl [10]3 years ago
7 0

Answer:

Solve for  r

− √ 11  <  r  <  √ 11

Step-by-step explanation:

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What is (0.3)⋅(0.5)?
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Step-by-step explanation:

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What is the sixth term of (a - y)7?<br><br> 21a3y4<br><br> -21a3y4<br><br> 21a2y5<br><br> -21a2y5
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3 years ago
Find the value of x if 212x5 is a multiple of 3 and 11 please find out now guys HELP!
sammy [17]

Answer:

x = 8

Step-by-step explanation:

If the number 212x5 is a multiple of 3, the sum of the digits needs to be a multiple of 3, so we have:

2 + 1 + 2 + x + 5 = 10 + x

The value of x can be 2, 5 or 8

If the number is a multiple of 11, we have to calculate the first number minus the second, plus the third, minus the fourth... and so on, and the result needs to be a multiple of 11. So we have:

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So the value of x is 8.

8 0
3 years ago
10n^{2} - 12 = -8<br> Please help
torisob [31]

The value for n is \frac{\sqrt{10} }{5}

<h3>solving for n</h3>

<u>given data</u>

10n^{2} - 12 = -8

making n the subject of the formula

10n^{2}  = -8 + 12

10n^{2}  = 4

divide through by 10

n^{2}  = 4 / 10

finding the square root of both sides

n = square root ( 4 / 10 )

n = \sqrt{\frac{4}{10}

n = 0.632 or \frac{\sqrt{10} }{5}

Read more the subject of formula here: brainly.com/question/21140562

#SPJ1

7 0
1 year ago
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