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3 years ago

Can a unit rate be a fraction

Mathematics

2 answers:

Ronch [10]3 years ago

6 0

Answer:

yes

Step-by-step explanation:

you can just simplify the rate to a unit rate and then that's your fraction

kotykmax [81]3 years ago

3 0

Yes it can, it has to be a fraction

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Right now, Simran's father is three times as old as Simran. Five years ago, he was four times as

Illusion [34]

Hello,

Let's f the age of the father
s the age of Simran

f=3*s
f-5=4*(s-5)
==>3s-5=4s-20
==>s=15
f=3*15=45

3 0

3 years ago

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The following table gives results from two groups of students who took a nonproctored test. Use a 0.01 significance level to tes

Nana76 [90]

Answer:

Original claim is $\mu_{1} =\mu_{2}$

Opposite claim is $\mu_{1} \neq \mu_{2}$

Null and alternative hypotheses:

$H_{0}:\mu_{1} = \mu_{2}$

$H_{1} : \mu_{1} \neq \mu_{2}$

Significance level: 0.01

Test statistic:

We can use TI-84 calculator to find the test statistic and P-value. The steps are as follows:

Press STAT and the scroll right to TESTS

Scroll down to 2-SampTTest... and scroll to stats.

Enter below information.

$\bar{x_{1}}=70.29$

$Sx1=22.09$

$n_{1} = 30$

$\bar{x_{2}}=74.26$

$Sx2=18.15$

$n_{2} = 32$

$\mu_{1} \neq \mu_{2}$

Pooled: Yes

Calculate.

The output is in the attachment.

Therefore, the test statistic is:

$t=-0.78$

P-value: 0.4412

Reject or fail to reject: Fail to reject

Final Conclusion: Since the p-value is greater than the significance level, we, therefore, fail to reject the null hypothesis and conclude that the there is sufficient evidence to support the claim that the samples are from populations with the same mean.

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2 years ago

What is 1/5 divided by 1/2

Len [333]

The answer to your question is 0.1

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2 years ago

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A coach brought 4 quarts of a sports drink to a game. At the end of the game, only 3 cups remained. How many cups of sports drin

Sergio [31]

Answer:

the sports players drank 13 cups

Step-by-step explanation:

1 cup equals 0.25 quarts which means 1 quart would equal 4 cups. This means there were 16 cups in total during the game. If there were only 3 cups left afterwards, that means 13 of the 16 cups were taken.

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1 year ago

One side of a square has endpoints (4.7) and (-3,5). What is the perimeter of the square?

Goryan [66]

Answer:

= 4√53 units

that is option(a)

Step-by-step explanation:

all sides of the square are of the same length

so if we get the length if this side, we can calculate its perimeter

there's this formula,

side length between two points, let's say A(x, y) and B(p, q), is equal to 