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baherus [9]
3 years ago
8

PLEASE HELP QUICKLY!! 7th grade math!

Mathematics
2 answers:
Serga [27]3 years ago
7 0

Answer:

I am actaully learning this right now!

Step-by-step explanation: Hope this helps!

1) Multiply the numerators.

Multiply  the Denominators

Simplify

   

2) When working with whole numbers you have to make it improper.

Multiply the denominator by the whole number and whatever you get you to add the numerator with it and that is how you make it improper.

balu736 [363]3 years ago
4 0

Answer:

19 and 29/32 or 19.90625

Step-by-step explanation:

So the 1st Way: We could simplify it and make them into improper fraction in a way like this:

13/4 * 49/8

We can then just multiply the top row and the bottom row:

13 * 49 = 637

4 * 8 = 32

637/32 = 19 and 29/32

The 2nd Way: We could literally add 6 and 1/8, 3.25 times

(I'm so sorry this is a way lol but I couldn't think of another)

6.125 + 6.125 + 6.125 + 6.125(0.25) = 18.375 + 1.53125 = 19.90625 :P

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An actor invests some money at 9​% simple​ interest, and ​$24,000 more than three times the amount at 10​% simple interest. The
Andrew [12]

Answer:

The amount invested at 9% is $93000

The amount invested at 10% is $303000

Step-by-step explanation:

Let the amount invested at 9% interest rate be x

And the amount invested at 10% rate be y

Simple Interest from x in a year = 0.09x

Simple Interest from y in a year = 0.1y

But y = 24000 + 3x

And the sun of the interests, 0.09x + 0.1y = 38670

Now we have a simultaneous eqn

y = 24000 + 3x (eqn 1)

0.09x + 0.1y = 38670 (eqn)

Substitute y into eqn 2

0.09x + 0.1(24000 + 3x) = 38670

0.09x + 2400 + 0.3x = 38670

0.39x = 38670 - 2400

x = 36270/0.39 = $93000

y = 24000 + 3x = 24000 + 3 × 93000 = $303000

8 0
3 years ago
The dimensions of a rectangular flower bed on a sketch are 4 cm by 6 cm. In real life, the shorter side of the flower bed is 5 m
Fittoniya [83]

Answer:

The correct answer is 7.5

Step-by-step explanation:

100x5=500

500÷4=125

125x6=750

750/100=7.5

The answer is 7.5 m

5 0
3 years ago
Find the area of this parallelogram
amid [387]

Answer:

98cm

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The scale of a map is 1 inch = 60 miles. Find the actual distance if the distance on the distance on the map is 3 1/2 inches.
laila [671]

Answer:

  • 210 miles

Step-by-step explanation:

The scale is

  • 1 in = 60 miles

Find the distance of equivalent to 3 1/2 in

  • 3 1/2 * 60 miles =
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5 0
2 years ago
8 + 5n - 6, use n = 6
emmainna [20.7K]
8+5n-6

8+5(6)-6

8+30-6

38-6

32

32 is the answer.

I hope this helps!
~kaikers
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3 years ago
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