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inysia [295]
4 years ago
5

Write an expression that represents the sum of 7 and x. Please help :)Thanks!

Mathematics
1 answer:
eduard4 years ago
8 0

Answer:

the sum of 7 is 7

Step-by-step explanation:

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How many solutions does the following equation have ?<br> −3x+9−2x=−12−5x
nasty-shy [4]

\text{Solve for x:}\\\\-3x+9-2x=-12-5x\\\\\text{Combine like terms}\\\\-5x+9=-12-5x\\\\\text{Add 5x to both sides}\\\\9=-12\\\\\text{Since that's not valid, there would be no solutions}\\\\\boxed{\text{No solutions}}

7 0
3 years ago
If f(x) = 7 + 4x and g(x)=1/2x, what is the value of (f/g)(5)?
Romashka [77]
<h2>Answer:</h2>

d. \ \boxed{270}

<h2>Step-by-step explanation:</h2>

In this exercise we need to make a division and evaluate the new function at x=5. so we have two functions, namely:

f(x)=7+4x \ and \\ \\ g(x)=\frac{1}{2x}  

Therefore:

f(5)=7+4(5)=27 \\ \\ g(5)=\frac{1}{2\times 5}=\frac{1}{10}

So:

(f/g)(5)=\frac{27}{\frac{1}{10}}=270

3 0
4 years ago
Read 2 more answers
(Find the missing able in the triangle) *angle angle similarity *
Zina [86]

Answer:

36

Step-by-step explanation:

Hey There!

So if you didn't know all of the angles in a triangle add up to equal 180

so to find the missing angle we subtract the given angles from 180

180-90-54=36

therefore the missing angles is 36

3 0
3 years ago
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56 = j + 29<br> Please answer this because im going to get dead
guapka [62]
59 = j + 29
59-29=j+29-29
30 = j
(or you could rewrite it as j=30)

hope this helps!! :)
6 0
3 years ago
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6(y + 7) = 2(y - 3)<br> What is the answer ?
andrew11 [14]

Answer:

Y= -12

Step-by-step explanation:

6(y + 7) = 2(y - 3)

6y+42=2y-6

4y+42=-6

4y=-48

y=-12

7 0
4 years ago
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