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timurjin [86]
3 years ago
8

Pls help me with these 2 questions i will Mark brainlist:( !!

Mathematics
1 answer:
Sav [38]3 years ago
8 0

Answer:

6. b. 50

7. d. 12

Step-by-step explanation:

6. 80% is equal to 0.8.

0.8x =40.

Divide 0.8 by 40 to get x.

x=50.

7. If he needs 3 eggs for 30 cookies, we divide 120 by 30 to get 4.

We multiply 4*3 to find the total amount of eggs needed.

4*3= 12

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Steps to answer -3(x+4)+15=6-4x
Mariana [72]
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Combine like terms: <br> 9 + 17e-5e + 1
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Answer:

Step-by-step explanation:

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3 years ago
You invest $40,000 in two funds paying 4% and 52% simple interest. The total annual interest is $2080. How much do you invest in
natali 33 [55]

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Answer:

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  • 52% fund: $1000

Step-by-step explanation:

Let x represent the amount invested at 52%. Then (40000-x) is the amount invested at 4%. The total annual interest is ...

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  x = 1000 . . . . . . . . . divide by 0.48

Then the amounts invested in each fund are ...

  4% fund: $39,000

  52% fund: $1000

6 0
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