MATHEMATICS MIDDLE SCHOOL

3.5 hours; $10
What is the unit rate per hour?

Answers

Answer 1

Answer:

Answer:

The unit rate is $2.86 per hour

Explanation:

The units rate is amount earned in 1 hour

We are given that the rate for 3.5 hours is $10

To get the unit rate, we will use cross multiplication as follows:

3.5 hours ..........> $10

1 hour ..................> ??

units rate = $(1*10)/(3.5)$ = $(20)/(7)$ which is approximately $2.86 per hour

Hope this helps :)

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The current in a stream moves at a speed of 4 mph. A boat travels 5 miles upstream and 13 miles downstream in a total time of 2 hours. What is the speed of the boat in still water?

Answers

I believe it is 4.5mph because traveling upstream and the stream moves at a speed of 4mph would knock off 4 of the original number so if you add 4miles to the given 5 miles you get 9

The same is with the boat going downstream it is adding 4 miles to the original number so you subtract 13 and 4 and you get 9

If it took 2 hours to do that then you divide 9 by 2 and get 4.5

The area of a square patio is 225 square feet. what is the perimeter of the patio

Answers

The answer is 900 because if you add up all the sides of 225 you will get that answer for that

900!! Hope you get it right!!

Hope I helped!! If you get it wrong I am very sorry!!

What's the distributive property to express 30 + 75

Answers

To answer this question you can't use the distributive property.You would just add the addends together equaling 105.

Hope this helps!

Find the next term ?

Answers

Answer:

$\large\boxed{(8)/(5)=1.6}$

Step-by-step explanation:

$a_1=25\n\na_2=(2)/(5)\cdot25=(2)(5)=10\n\na_3=(2)/(5)\cdot10=(2)(2)=4\n\na_4=(2)/(5)\cdot4=(8)/(5)=1.6$

Answer: I think it's 0 but I'm not sure. What are some of the other possibilities?

Step-by-step explanation:

What is 28- 12.5% decrease???

Answers

ok so I assume
28 and decreased by 12.5%

percent means partst out of 100 so
12.5%=12.5/100=0.125
first find 12.5% of 28 then subtract
0.125 times 28=3.5
decrease
28-3.5=24.5

answer is 24.5

What is 325 over 1000 in simplest from?