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Step2247 [10]
3 years ago
10

Explain how you can rename 5400 as hundreds.

Mathematics
1 answer:
Advocard [28]3 years ago
5 0
5,400 equals 54 hundreds
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Solve for x, if. 3(x-8)-5=9(x+2)+1 the answer is 7.166 but i don't know how they got it
djverab [1.8K]
The answer and workings are in the document below. Please open it up in a new window to see it in full.

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The sum of two numbers is 80. Their difference is 22.
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51 + 29

Step-by-step explanation:

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2 years ago
If Trent has 11 quarters and dimes in his pocket, and they have a combined value of 200 cents, how many of each coin does he hav
allsm [11]

Answer:

Trent has 6 quarters and 5 dimes.

Step-by-step explanation:

Consider the provided information.

Let q =  Number of quarters

d = Number of dimes.

Trent has 11 quarters and dimes.

q+d=11

q=11-d

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25q+10d=200

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q=11-5

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Hence, Trent has 6 quarters and 5 dimes.

4 0
3 years ago
What is 3 1/2 x r = 28​
AleksandrR [38]

Answer:

r=8

Step-by-step explanation:

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3 years ago
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A research study was performed to determine if more than 30% of first-grade students at one school have entered Piaget’s concret
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Answer:

Type I error

Step-by-step explanation:

A type I error occurs if the null hypothesis is rejected when it is actually true.

Type I                                      Type II

Reject null when true           Fail to reject null when not true

Null hypothesis: ∪ = 30%

Alternative hypothesis: ∪ > 30%

The researchers concluded that more than 30% of first-grade students at this school have entered the concrete operational stage of development and they rejected the null hypothesis.

However, a census actually found that in the population of all first graders at this school, only 28% have entered the concrete operational stage.

A type I error has been made because in actuality the null hypothesis was true but was rejected.

7 0
3 years ago
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