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2 years ago

2 5/6 times 8 as a mixed number.

Mathematics

1 answer:

kotykmax [81]2 years ago

7 0

Answer:

lets make it an improper fraction:

17/6 x 8/1(consider 8 over 1) = 22 2/3

Simplify first though

17 x 8 divide by 2 = 4

_____

6 divide by 2 = 3 (8 and 6 are divisible by 2)

Your new simplified multiplication:

17 x 4

_____ then you can do your multiplication across.

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Thirty-three college freshmen were randomly selected for an on-campus survey at their university. The participants' mean GPA was

Ivan

Answer: $\pm0.1706$

Step-by-step explanation:

Given : Sample size : n= 33

Critical value for significance level of $\alpha:0.05$ : $z_{\alpha/2}= 1.96$

Sample mean : $\overline{x}=2.5$

Standard deviation : $\sigma= 0.5$

We assume that this is a normal distribution.

Margin of error : $E=\pm z_{\alpha/2}\dfrac{\sigma}{\sqrt{n}}$

i.e. $E=\pm (1.96)\dfrac{0.5}{\sqrt{33}}=\pm0.170596102837\approx\pm0.1706$

Hence, the margin of error is $\pm0.1706$

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3 years ago

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Goryan [66]

Answer:

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3 years ago

Read 2 more answers

Find the perimeter of the semicircle when diameter is 3.5 cm. (1 Point)

Feliz [49]

● Answer:

8.995 cm

● Step-by-step explanation:

P = d + L/2

d = 3.5 cm

L/2 = 2pi×r/2

= pi×d/2

= 3.14×3.5/2

= 5.495 cm

P = 3.5cm + 5.495

= 8.995 cm

8 0

3 years ago

Write each decimal as a fraction in simplest form.<br> 1.0.75

mamaluj [8]

Answer:

43/40

Step-by-step explanation:

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2 years ago

What is the constant of proportionality for the relationship shown in the table? x 2 4 6 8 y 1 2 3 4

Tamiku [17]

Answer:

$k = \frac{1}{2}$

Step-by-step explanation:

Given

x 2 4 6 8

y 1 2 3 4

Required

Determine the constant of proportionality (k)

The relationship between x and y is:

$y = kx$

When y = 1, x = 2;

So, we have:

$1 = k * 2$

$2 * k = 1$

Make k the subject

$k = \frac{1}{2}$

Hence, the constant of proportionality is 1/2

7 0

2 years ago