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lara31 [8.8K]
3 years ago
5

Which expression has the same value as9

Mathematics
1 answer:
Arturiano [62]3 years ago
6 0
B because it rounds
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2 1/2x + 1/4 + 3/4x = 1/8
Vinil7 [7]

\frac{5}{2}x+\frac{1}{4}  +\frac{3}{4} x=\frac{1}{8} \\\\\frac{5}{2}(8)x+\frac{1}{4}  (8)+\frac{3}{4}(8) x=\frac{1}{8}(8)\\20x+2+6x=1\\20x+6x=1-2\\26x=-1\\\frac{26x}{26} =\frac{-1}{26} \\x=-\frac{1}{26}

6 0
10 months ago
Find the perimeter and are of the trapezoid
lara31 [8.8K]

Answer:

47.7ft

Step-by-step explanation:

12.8ft+6.2ft+13.9ft+15.5ft=47.7ft

8 0
1 year ago
the number of members in a club dropped from 80 to 52. what is the percent of decrease in the number of members
Illusion [34]
Percent of decrease :
Original - New / Original
so...
80 - 52 / 80 ---->
28/80
.35 multiply by 100 to get percent
35% increase Hope I helped if you have any questions let me know! :)



7 0
2 years ago
What is the simplified form of the following expression?
kogti [31]

Answer:

\sqrt{3}


Step-by-step explanation:

We will be using 2 properties of radicals in this simplification (outlined below).

  • \sqrt{a*b}=\sqrt{a}* \sqrt{b}
  • \sqrt{a}*\sqrt{a}=a

<em>Let's simplify this:</em>

2\sqrt{27} +\sqrt{12} -3\sqrt{3}-2\sqrt{12}\\ =2\sqrt{9*3}+\sqrt{4*3} -3\sqrt{3}-2\sqrt{4*3} \\=2\sqrt{9} \sqrt{3} +\sqrt{4} \sqrt{3}-3\sqrt{3}-2\sqrt{4} \sqrt{3} \\=2(3)\sqrt{3}+(2)\sqrt{3} -3\sqrt{3}-2(2)\sqrt{3} \\ =6\sqrt{3} +2\sqrt{3}-3\sqrt{3}-4\sqrt{3}  \\=\sqrt{3}


First answer choice is right.

5 0
3 years ago
Find the sum. (–7b + 8c) – (12a + 14) + (5a + 5b)
Semmy [17]
Combine like terms
Then you’ll get -7a-2b+8c-14 which is the answer.
3 0
3 years ago
Read 2 more answers
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