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ad-work [718]
3 years ago
10

Can anyone help me with this problem

Mathematics
1 answer:
Anit [1.1K]3 years ago
8 0
I hope this helps you

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Find the difference: -7 -− (-2) =<br> A<br> 9<br><br> B<br> -9<br><br> C<br> 5<br><br> D<br> -5
AveGali [126]

Answer: B. −9

Step-by-step explanation: -7--(-2)

−7+−2

−9

8 0
3 years ago
What number x 9 is 57
Svetllana [295]

6×9=57

Step-by-step explanation:

get a multiplication chart and find the answer

3 0
3 years ago
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Find the equivalent fraction to next expression 3b^2 + 2(a+5.4b) -2.4b + 1.5a - 2b^2 a 2b2 + 3.5a + 8.4 b b b2 +3.5a + 8.4b c 2b
Neporo4naja [7]

Answer:

b²+3.5a+8.4b

Step-by-step explanation:

Given the expression

3b^2 + 2(a+5.4b) -2.4b + 1.5a - 2b^2

Expand

3b^2 + 2a+10.8b -2.4b + 1.5a - 2b^2

Collect the like terms

= 3b²-2b²+2a+1.5a+10.8b-2.4b

= b²+3.5a+8.4b

Hence the equivalent expression is b²+3.5a+8.4b

7 0
3 years ago
The variables X, Y, and Z represent polynomials where X = a, Y = 3a – 5, and Z = a^2 + 2. What is X^2Y – Z in simplest form?
klasskru [66]
X=a \\&#10;Y=3a-5 \\&#10;Z=a^2+2 \\ \\&#10;X^2Y-Z=a^2(3a-5)-(a^2+2)=3a^3-5a^2-a^2-2=3a^3-6a^2-2

The answer is b.
4 0
3 years ago
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What is 302.135 rounded to the nearest tenth?
Hitman42 [59]
302.1 is the answer to the problem.
6 0
3 years ago
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