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vfiekz [6]
3 years ago
5

Which of the following equations is equivalent to 2(a + 6) – 3(a – 5) = 18?

Mathematics
2 answers:
meriva3 years ago
5 0
Answer: c

use distributive property:
2(a+6)-3(a-5)+15=18
2a+12-3a+15=18

combine like terms:
2a+12-3a+15=18
-a+27=18
defon3 years ago
4 0

Answer:

\fbox{Option C}

Step-by-step explanation:

Let me know if you want the full explanation. Have a great weekend! ❤

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Answer:

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Step-by-step explanation:

7 0
3 years ago
Solve for y if : x=3 y= 5x+8
MariettaO [177]
Plug in 3 into the equation.

y= 5(3) +8

Combine like terms.

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I hope this helped!
5 0
3 years ago
Solve the initial value problem yy′+x=x2+y2‾‾‾‾‾‾‾√ with y(1)=8‾√. To solve this, we should use the substitution u= x^2+y^2 help
leva [86]

Looks like the equation is

yy'+x=\sqrt{x^2+y^2}

Substitute u(x)=x^2+y(x)^2, so that u'=2x+2yy'. Then the equation is the same as

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Integrate both sides to get

\sqrt u=C\implies\sqrt{x^2+y^2}=C

Given that y(1)=\sqrt8, we have

\sqrt{1^2+(\sqrt8)^2}=C\implies C=3

so the solution is

\sqrt{x^2+y^2}=3

7 0
3 years ago
Factor the expression below.<br> 25x2 - 49
Xelga [282]
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Your final answer is 1.
7 0
3 years ago
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Can you please help me with this question
Naily [24]

Answer:

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Step-by-step explanation:

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