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3 years ago

HELP PLS!!!!!!!!!! you get 5 pointsssssss PLS I BEG QUICK!!!!!

Mathematics

2 answers:

STALIN [3.7K]3 years ago

7 0

Answer:

6.5 mph

Step-by-step explanation:

Pace per mile

09 : 13.85

min : sec

Speed

0.1083 miles per minute

6.5 miles per hour

ahrayia [7]3 years ago

3 0

The answer is 6.5 miles per hour

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4+n divided by 43+n equals to 1/3 what is n?

Mariana [72]

Answer:

n = 15.5

Step-by-step explanation:

(4+n)/(43+n) =1/3

3(4+n)= 1*(43 + n)

12 + 3n = 43 + n

3n - n = 43 - 12

2n = 31

n = 31/2= 15.5

8 0

3 years ago

*please help word problem* Adam and Barb had a used book sale over the weekend. Adam sold 4 hardcover books and ten paperbacks a

vekshin1

Let us assume charge for a hardcover book = $ h

And charge for a paperback = $ p.

Adam sold 4 hardcover books and 10 paperbacks and earned $64.

So, we can setup an equation by using above statement.

4h + 10p = 64 -------------equation(1)

Barb sold 5 hardcover books and 7 paperbacks and made $58.

So, we can setup another equation by using above statement.

5h + 7p = 58 -------------equation(2)

Let us solve equation(1) and eqation (2) by elimination method.

Multiplying first equation by -5 and second equation by 4 and adding, we get

-20h -50p = -320

20h +28p = 232

___________________

-22p = -88

Dividing both sides by -22, we get

-22p/-22 = -88/-22

p=4.

Plugging p=4 in first equation.

4h + 10(4) = 64

4h +40 =64

Subtracting 40 from both sides, we get

4h = 24.

Dividing both sides by 4, we get

4h/4 = 24/4

h=6.

Therefore, they charge $6 for a hardcover and $4 for a paperback.

3 0

3 years ago

Express 80 inches in standard notation using feet and inches.

Vladimir79 [104]

80 inches in standard notation using feet and inches would be expressed as 6 ft 8 inches by converting inches into feet and inches.

The solution to the given problem is to use some standard conversion units that are:

1 foot = 12 inches

1 inch = 0.8333 feet

Solution:

As mentioned above that one inch is equal to 0.8333 foot therefore

1 foot = 12 inches

then,

80 inches would be equal to

= $\frac{80}{12}$ ft

= $\frac{20}{3}$ ft

= 6ft 8 inches

= 6' 8"

Thus, 80 inches in standard notation using feet and inches would be expressed as 6 ft 8 inches by converting inches into feet and inches.

Learn more:

brainly.com/question/884268

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3 years ago

Alfonso scored 18 points during his last basketball game, which was 40% of the points the entire team scored. How many points di

nordsb [41]

Answer:

45 points

Step-by-step explanation:

You could do it with proportions. Start with 18/x=40/100. then, cross multiply and you should get x=45.

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3 years ago

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What is the value of the expression?

Ber [7]

I think the answer is C. 5^4 because I think it should equal a positive?

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3 years ago