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earnstyle [38]
3 years ago
11

Which is a correct first step for solving this equation? 4x=7+3(2x−5)

Mathematics
2 answers:
Sholpan [36]3 years ago
6 0
The first step you would need to complete would be multiplying everything within the parentheses by 3.<span />
jeka943 years ago
3 0
Doing (2x-5) first is what
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Estimate the sum of<br> 1/3 and 1/4
Artemon [7]

Answer:

7/12 or (Decimal: 0.583333)

Step-by-step explanation:

1/3 +1/4 = 7/12

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I need help fast plz<br>​
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what do you need help with

8 0
3 years ago
Am I correct if not help plzzz
11Alexandr11 [23.1K]
Hey there!

You got the first part right where you added r to both sides. However, you need to make sure that you complete all actions on both sides, including canceling out parts of terms by division. The only thing you need to do is divide both sides by h instead of just the left. This will make your answer:

y =  \frac{b+r}{h}

Hope this helped you out! :-)
4 0
3 years ago
The length of a rectangular sign is 5 times its width . If the sign's perimeter is 36 inches, what is the signs area in square i
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Answer:

9 inches

Step-by-step explanation:

3 0
4 years ago
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Write the equation of the parabola in vertex form.
stellarik [79]

well, looking at the picture of this vertically opening parabola, it has a vertex at 0,0 and it passes through 2,1 hmm ok

~~~~~~\textit{vertical parabola vertex form} \\\\ y=a(x- h)^2+ k\qquad \begin{cases} \stackrel{vertex}{(h,k)}\\\\ \stackrel{"a"~is~negative}{op ens~\cap}\qquad \stackrel{"a"~is~positive}{op ens~\cup} \end{cases} \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ y = a(x-0)^2+0\qquad \stackrel{\textit{we also know that}}{x=2\qquad y = 1}\qquad \implies 1=a(2-0)^2+0 \\\\\\ 1=4a\implies \cfrac{1}{4}=a~\hspace{10em} \boxed{y=\cfrac{1}{4}x^2}

8 0
3 years ago
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