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Wewaii [24]
3 years ago
11

Simplify the expression using PEMDAS

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
4 0
255/(7-4)^2-15 is 40/3 or 13 1/3 or 13.3333
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mestny [16]
Start by adding 2 to both sides to get 3r^2 = 48. then divide both sides by 3 to get r^2 = 16. square root both sides to get r = 4.
5 0
4 years ago
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If wallpaper costs $1.25 per squared foot, how much will it cost to put mew wallpaper in a room with area dimensions of 17 ft lo
AleksandrR [38]

The area of the room is :

\begin{gathered} A=17\cdot16 \\ A=272 \end{gathered}

and if the cost is 1.25 per square foot then the total cost will be:

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6 0
1 year ago
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Lemur [1.5K]

Answer:

x = -2

Step-by-step explanation:

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6 0
3 years ago
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igomit [66]
2 ‍♀️ I learned that in elementary
3 0
3 years ago
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Find the GCF
Kaylis [27]
Greatest Common Factor. let's go over that. GCF of 6 and 12 would be 6 because 6 goes into 6, 1 times and 6 goes into 12, 2 times. . and it is the largest. so first you see if the lower number can go directly into the higher number. So 28a^2 b^2 c^2, is made of 14abc× 2abc. so you can say 14abc goes into 28a2b2c2, 2abc times. therefore 14abc is the largest factor.
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