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erik [133]
2 years ago
9

Yvette exercises 14 days out of 30 in one month. What is the ratio of the number of days she exercises to the number of days in

the month? Simplify the ratio.
Mathematics
2 answers:
Anestetic [448]2 years ago
3 0

Answer:

7 to 15, 7:15, 7/15

Step-by-step explanation:

Ratios can be written as:

a to b

a:b

a/b

We want to find the ratio of exercise days to days in the month. She exercises 14 days out of 30 days in the month. Therefore,

a= 14

b= 30

14 to 30

14:30

14/30

The ratios can be simplified. Both numbers can be evenly divided by 2.

(14/2) to (30/2)

7 to 15

(14/2) : (30/2)

7:15

(14/2) / (30/2)

7/15

Inessa [10]2 years ago
3 0

Answer:

divide both numbers by 14.. the ans is 1: 2

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Which expression represents the calculation “subtract 10 from 36, then divide by 6”
SVETLANKA909090 [29]

Answer:

(36 - 10) (divide sign) 6

Step-by-step explanation:

Walk through the problem:

"subtract 10 from 36." = "take ten away from 36." = "36 - 10."

"then divide by 6." = "Divide 36 - 10 by 6." = "(36 - 10) divided by 6."

3 0
2 years ago
What does collinear mean
storchak [24]
Lying in the same straight line i think..

5 0
2 years ago
Read 2 more answers
Libby sold $60 worth of vegetables at the farmer's market. Jess sold 3/4ths of what Libby sold. Stephanie sold 1/3rd of what Jes
Gemiola [76]

Answer:

$120.

Step-by-step explanation:

We have been given that Libby sold $60 worth of vegetables at the farmer's market.

Jess sold 3/4th of what Libby sold. Let us find 3/4 of 60.

\text{Jess sold}=60\times \frac{3}{4}

\text{Jess sold}=15\times 3

\text{Jess sold}=45

Therefore, Jess sold $45 worth of vegetables.

We are told that Stephanie sold 1/3rd of what Jess sold. So let us 1/3rd of 45.

\text{Stephanie sold}=45\times \frac{1}{3}

\text{Stephanie sold}=15

Therefore Stephanie sold $15 worth of vegetables.

Now let us add amounts of money earned by Libby, Jess and Stephanie to get the total money earned by all.

\text{The total money earned by Libby, Jess and Stephanie}=60+45+15

\text{The total money earned by Libby, Jess and Stephanie}=120

Therefore, they all sell $120 worth of vegetables together.

7 0
2 years ago
Read 2 more answers
The 99 percent confidence interval for the average weight of a product is from 71.36 lbs. to 78.64 lbs. Can we conclude that μ i
Ilya [14]

Answer:

Step-by-step explanation:

Hello!

To decide over a hypothesis test using a confidence interval the following conditions are to be met:

1. The hypotheses should be two-tailed.

2. The hypotheses and the confidence interval should be made for the same parameter.

3. The confidence level and the significance level should be complementary, so if the CI is 1-α: 0.99 the level of significance should be α: 0.01

If all conditions are met, the decision rule is the following:

If the value stated in the null hypothesis is contained by the CI, the decision is to not reject the null hypothesis.

If the value stated in the null hypothesis is not contained by the CI, the decision is to reject the null hypothesis.

Let's say in this example the hypotheses are:

H₀: μ = 71

H₁: μ ≠ 71

α: 0.01

99% Confidence level is (71.36;78.64).

As you can see, 71 is not contained in the CI so the decision to take is to reject the null hypothesis, in other words, the population mean is not 71.

I hope it helps!

6 0
2 years ago
If m< LMP is 11 degrees more than m< NMP and m< NML =137, find each measure
Agata [3.3K]

First, note that for angles LMP and NMP you have

m\angle LMP+m\angle NMP=m\angle NML.

If m\angle LMP is 11^{\circ} more than m\angle MNP, then

m\angle LMP=m\angle NMP+11^{\circ}.

Now, since m\angle MNL=137^{\circ}, you have

137^{\circ}=m\angle NMP+11^{\circ}+m\angle NMP,\\ \\2m\angle NMP=137^{\circ}-11^{\circ}=126^{\circ},\\ \\m\angle NMP=63^{\circ}.

Therefore,

m\angle LMP=63^{\circ}+11^{\circ}=74^{\circ}.

Answer: m\angle LMP=74^{\circ},\ m\angle NMP=63^{\circ}.


7 0
2 years ago
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