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kolbaska11 [484]

3 years ago

11

Ronal asked 100 students to choose their favorite subject from among mathematics history and our she found that 22 students kill

ed mathematics 26 history in the rest are what percent of the students chose art

1 answer:

Llana [10]3 years ago

7 0

Answer:

I think 52% of students chose art

Step-by-step explanation:

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To make 5 apple pies, you need 2 pounds of apples. How many pounds of apples would you need to make 20 pies?

Dmitrij [34]

10 pounds use division , 20/2=10 pounds of apples total

8 0

3 years ago

Traci wants to buy rings that cost 50$ each. A jewler is offering a deal in which you buy 1 ring and get the 2nd for 25% off and

Rina8888 [55]

The first ring is $50, the second ring is 37.50 and the third ring is 25.00
The total of the rings before tax is 112.50 and $121.50 after tax

3 0

3 years ago

A dresser with the mirror attached is 6.28 feet tall. The difference between their heights is 1.28 feet. What are the heights of

Kobotan [32]

Answer:

Step-by-step explanation:

y = dresser height

x = mirror height

x+y=6.28

x-y = 1.28

x = 1.28+y

x+y=6.28

(1.28+y)+y=6.28

2y = 5

y = 2.5

Dresser = 2.5 ft

Dresser + Mirror = 2.5 + 1.28 = 6.28 ft

Mirror = 1.28 ft

3 0

2 years ago

7% decimal round to the thousands place

nataly862011 [7]

If you put 7% into a decimal it would be 0.07

5 0

3 years ago

Using two independent samples, two population means are compared to determine if a difference exists. The population standard de

ANTONII [103]

Answer:

Hence the degrees of freedom are associated with the critical value is 25.

Step-by-step explanation:

Using two independent samples, two population means are

compared to determine if a difference exists, the population standard deviation is equal.

sample size 1 = $n_{1}$ = 15 and sample size 2 = $n_{2}$ = 12

since, population standard deviations are equal, required degrees of freedom

$= n_{1} + n_{2} - 2 \\= 15 + 12 - 2\\ = 25$

8 0

3 years ago