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Triss [41]
2 years ago
10

7 less than 4 times a number equals 13 ​

Mathematics
1 answer:
Lisa [10]2 years ago
4 0

Answer:

X = 5

Step-by-step explanation:

4x - 7 = 13

4x = 13 + 7

4x = 20

x = 20 / 4

x = 5

Hope it Helps :) !!

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Which graph represents y as a function of x? <br> A) A <br> B) B <br> C) C <br> D) D
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Answer:

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Step-by-step explanation:

8 0
3 years ago
the mean percentage of a population of people eating out at least once a week is 57% with a standard deviation of 3.5 %. assume
zhuklara [117]
Given:
Population proportion, \mu _{p} = 57% = 0.57
Population standard deviation, σ  = 3.5% = 0.035
Sample size, n = 40
Confidence level = 95%

The standard error is
SE_{p} =  \sqrt{ \frac{p(1-p)}{n} } = \sqrt{ \frac{0.57*0.43}{40} } =0.0783

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The sample proportion lies in the interval
(0.57-1.96*0.0783, 0.57+1.96*0.0783) = (0.4165, 0.7235)

Answer: Between 0.417 and 72.4), or between (41% and 72%)

8 0
3 years ago
____________is the practice of putting students into specific curriculum groups based on their test scores and other factors.
Tresset [83]

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3 0
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Explain how to find the lower quartile of a box-and-whisker plot.
elena55 [62]
C. The lower quartile (of a box-and-whisker plot) is the median of the lower half of the data.
Also referred to as "Q1"
6 0
3 years ago
Read 2 more answers
Each student in a class plays one of three sports soccer, volleyball or basketball. 1/4 of them play soccer. 3/5 of them play vo
Setler79 [48]

Answer: 3/20 of the class

Step-by-step explanation:

Add the amount of students that play soccer to amount of students that play volleyball

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20/20 - 17/20 = 3/20

7 0
3 years ago
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