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Klio2033 [76]
3 years ago
13

This is mathemiatci can you hep

Mathematics
2 answers:
Tasya [4]3 years ago
8 0

Answer:

81-x=96-2x

x=15

m <1 = 66

m <2 = 66

Step-by-step explanation:

vodomira [7]3 years ago
6 0
X=15
Because
Make it like this
(81-x)=(96-2x)
And solve for(x)
And x=15
The add 15 to (81-x) =(81-15)=66
And (96-2x) =(96-2(15)=66
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2r2 + 3s3 − r2 + 4t2 − r2 if r = −2, s = −3, and t = 5.
Elza [17]

First, simplify the expression 2r^2 + 3s^3 - r^2 + 4t^2 - r^2. Here you have three terms with r^2, group them in the following way:

2r^2 + 3s^3 - r^2 + 4t^2 - r^2=2r^2-r^2-r^2+3s^3+4t^2=(2r^2-r^2-r^2)+3s^3+4t^2=

=r^2(2-1-1)+3s^3+4t^2=3s^3+4t^2.

Then substitute s=-3 and t=5:

3s^3+4t^2=3\cdot (-3)^3+4\cdot 5^2=3\cdot (-27)+4\cdot 25=-81+100=19.

Answer: 19.

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3 years ago
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How can you tell that x and y are NOT directly proportional? A) x is 0 when y is 0. B) y is getting farther away from x. C) x is
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Answer:

D) y is increasing by different amounts.

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2 years ago
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I have one more tens than ones. The value of my ones digit is 8. What number am i?
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3 years ago
What is the solution set of -xl = -10?
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F(x) = -x^2-20<br> find f(9)
Ivanshal [37]

Answer:

f ( x ) = - 101

Step-by-step explanation:

Step 1:

f ( x ) = - x² - 20   Function

Step 2:

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Step 3:

f ( x ) = - 81 - 20    Exponents

Answer:

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4 years ago
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