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Irina-Kira [14]
3 years ago
7

Twice a number m minus three equals the sum of m and five

Mathematics
1 answer:
Leya [2.2K]3 years ago
8 0

2m - 3 = m + 5

m = 8

2(8) - 3 = 13

(8) + 5 = 13

m = 8

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Rewrite each expression as a single power ​
Lapatulllka [165]
<h2>6^{8}</h2><h2></h2><h2>6 TO THE POWER OF 8 BECAUSE WHEN YOU MULTIPLY, YOU ADD THE POWERS TOGETHER. 4+4=8</h2>
6 0
2 years ago
there are 3 boys for every 2 girls in the class. there are 90 students total. how many total girls? how many total boys?
netineya [11]

Answer: There is 36 girls and 54 boys.

Step-by-step explanation: If there is 36 girls and there is 3 boys for every 2 girls that means half of 36 is 18 so do 18 times 3 which will equal 54 boys.

54+36=90

4 0
3 years ago
22÷1/5 (urgent) I need this ​
castortr0y [4]

Answer:

110

Step-by-step explanation:

easy matth to me

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6 0
3 years ago
Read 2 more answers
A researcher computes the definitional formula for SS, and finds that Σ(x − M) = 44. If this is a sample of 12 scores, then what
olga_2 [115]

Answer:

Option B.

Step-by-step explanation:

Given information:

Σ(x − M) = 44

where, M is mean.

Sample size = 12

The computational formula for sample variance is

s^2=\dfrac{\sum (x-M)^2}{N-1}

where, M is sample mean and N is sample size.

Substitute Σ(x − M) = 44 and N=12 in the above formula.

s^2=\dfrac{44}{12-1}

s^2=\dfrac{44}{11}

s^2=4.0

The sample variance is 4.0.

Therefore, the correct option is B.

5 0
3 years ago
Alejandra can husk 8 ears of corn in 24 minutes. At this rate, how many ears of corn can she husk in 33 minutes?
8_murik_8 [283]
I'm afraid you're wrong. We may divide 24 by 8 to find out how long does it take for Alejandra to husk 1 ear of corn and then just divide 33 by the result:

24 ÷ 8 = 3

So Alejandra husks 1 ear of corn in 3 minutes.

33 ÷ 3 = 11

Answer: In 33 minutes Alejandra can husk <u>11 ears of corn</u>.
5 0
3 years ago
Read 2 more answers
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