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Alex787 [66]
3 years ago
12

Simplify each fraction

Mathematics
2 answers:
Bas_tet [7]3 years ago
5 0
1/2
1/3
1/3
2/3
2/3
1/8
1/4
1/2
1/2
1/2
1/4
1/3
7/27
2/9
Annette [7]3 years ago
4 0
5/10=1/2
4/12=1/3
3/9=1/3
6/9=2/3
2/16=1/8
10/40=1/4
2/4=1/2
6/18=1/3
4/20=1/5
9/27=1/3
7/27---- something wrong with this
8/36=2/9
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valentina_108 [34]

m =  \frac{y2 - y1}{x2 - x1}  \\ m(x2 - x1) = y2 - y1 \\ m(x2 - x1) + y1 = y2
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2 years ago
Solve v times w squared+ y= x. Solve for w. Please show me how you got the answer!
faltersainse [42]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

let's solve for " w "

  • vw {}^{2}  + y = x

  • vw {}^{2}  = x - y

  • {w}^{2}  =  \dfrac{x - y}{v}

  • w =  \sqrt{ \dfrac{x - y}{v} }
6 0
2 years ago
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A researcher surveyed 220 residents of a city about the number of hours they
olga55 [171]

Answer:

Margin of error of 0.0485 hours.

Step-by-step explanation:

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1 - 0.95}{2} = 0.025

Now, we have to find z in the Ztable as such z has a pvalue of 1 - \alpha.

That is z with a pvalue of 1 - 0.025 = 0.975, so Z = 1.96.

Now, find the margin of error M as such

M = z\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

\sigma = 0.35, n = 220

The margin of error is of:

M = z\frac{\sigma}{\sqrt{n}}

M = 1.96\frac{0.35}{\sqrt{200}}

M = 0.0485

Margin of error of 0.0485 hours.

5 0
2 years ago
The door on a model building is 10 inches tall. The door on the actual building is 4 yards tall. What was the scale used?
pychu [463]
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3 0
2 years ago
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melamori03 [73]

Answer:

C)

Step-by-step explanation:

Find the total sum

25+28= 53

53+31=84

Fimd the average by dividing by 3

84/3= 28

Hence, the answer is c

4 0
3 years ago
Read 2 more answers
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