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sergey [27]
3 years ago
11

Help ASAP! thanks so much!

Mathematics
1 answer:
melamori03 [73]3 years ago
4 0
I believe it is 1500
(1920 - 420)
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Peter added the following fractions<br><br>Is Peter correct?
nexus9112 [7]

Answer:i think it would most likely be c

Step-by-step explanation:

since you can only add denominators when they are the same number


8 0
3 years ago
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The length of the rectangle is 5 inches more than the width. The perimeter of the rectangle is 42 inches. Write an equation to m
Sunny_sXe [5.5K]

Answer:

<h2>Length = 13 in. </h2>

 Step-by-step explanation:

perimeter of a rectangle (P) = 2L + 2W

where;

P = 42 in.  

Length (L) = 5 + W

Find:

length (L) of the rectangle

solution:

P = 2L + 2W

42 = 2(5 + W) + 2W

42 = 10 + 2W + 2W

42 - 10 = 4W

32 = 4W

W = 32/4

W = 8

Length (L) = 5 + W

                = 5 + 8

                 = 13 in

proof:

42 = 2(13) + 2(8)

42   = 42 in

4 0
4 years ago
Find the student’s error in solving the following inequality.
Volgvan
31 < -5x + 6
<u>-6             -6</u>
<u>25</u> < <u>-5x</u>
-5      -5
-5 < x
x > -5


5 0
3 years ago
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Simplify: square root of 81+18<img src="https://tex.z-dn.net/?f=%5Csqrt%7B7%7D" id="TexFormula1" title="\sqrt{7}" alt="\sqrt{7}"
Lemur [1.5K]

\sqrt{81 \:  +  \: 18 \sqrt{7}  \:  +  \: 7}

  • Factor the indicated expression:

\sqrt{(9 \:  +  \:  \sqrt{7} ) ^{2} }

  • Simplified the index, the root and also the exponent using the number 2.

\boxed{ \bold{9 \:  +  \:  \sqrt{7} }}

<h3><em><u>MissSpanish</u></em> </h3>
5 0
2 years ago
Always, sometimes, or never true
Kitty [74]
I think it’s always because the absolute value is always positive.
8 0
4 years ago
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