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xxTIMURxx [149]

2 years ago

15

Jessica draw circle divided into eight equal parts she cheated six of the parts what fraction is equivalent to the part of The c

ircle that is shaded

2 answers:

tia_tia [17]2 years ago

7 0

6:8=3:4
we divide 6 with 8 then we get new ratio 3:4

mr Goodwill [35]2 years ago

4 0

If she has 8 parts and 6 parts are shaded in then she has a fraction of 6/8 and if u divide 6 and 8 by 2 you get 3 and 4 or a fraction of 3/4

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horrorfan [7]

Answer:

A.

Step-by-step explanation:

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2 years ago

Mr. Falco baked blueberry muffins several times in May using the recipe shown. He used 3 3/4 cups of milk in all. How many times

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Step-by-step explanation:

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3 0

2 years ago

Read 2 more answers

Howis 1/8 greater than 3/16?

Basile [38]

You have $\dfrac18=\dfrac2{16}$ , so that's not true.

8 0

2 years ago

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k0ka [10]

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7 0

3 years ago

An art history professor assigns letter grades on a test according to the following scheme.A: Top 5% of scoresB: Scores below th

adoni [48]

Answer:

Grade B score:

$76 \leq x \leq 89$

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 73.3

Standard Deviation, σ = 9.7

We are given that the distribution of score on test is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

B: Scores below the top 5% and above the bottom 62%

We have to find the value of x such that the probability is 0.62

$P( X > x) = P( z > \displaystyle\frac{x - 73.3}{9.7})=0.62$

$= 1 -P( z \leq \displaystyle\frac{x - 73.3}{9.7})=0.62$

$=P( z \leq \displaystyle\frac{x - 73.3}{9.7})=0.38$

Calculation the value from standard normal z table, we have,

$\displaystyle\frac{x - 73.3}{9.7} = 0.305\\\\x = 76.26$

We have to find the value of x such that the probability is 0.05

$P(X < 0.95) = \\\\P( X < x) = P( z < \displaystyle\frac{x - 73.3}{9.7})=0.95$

Calculation the value from standard normal z table, we have,

$\displaystyle\frac{x - 73.3}{9.7} = 1.645\\\\x = 89.26$

Thus, the numerical value of score to achieve grade B is

$76 \leq x \leq 89$

7 0

3 years ago