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bearhunter [10]
3 years ago
10

I suck at math help me please

Mathematics
2 answers:
Georgia [21]3 years ago
8 0

Answer:

c negative one , negative 2

Mumz [18]3 years ago
6 0

Answer:

c negative one , negative 2

Step-by-step explanation:

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What value of x make the equation 24-(3x - 9)-6= -2(4x - 10+ 5x + 7 true?
maksim [4K]

Answer:

x = 0

Step-by-step explanation:

24 - (3x - 9) - 6 = -2(4x - 10) + 5x + 7

solve the brackets by using the distribute property:

1(3x - 9) = 3x - 9

-2(2x - 10) = -8x + 20

rewrite the equation:

24 - 3x - 9 - 6 = -8x + 20 + 5x + 7

combine like therms:

27 - 3x = -3x + 27

subtract 27 from both sides:

27 - 3x - 27 = -3x + 27 - 27

- 3x = -3x

add x to both sides of the equation:

-3x + 3x = -3x + 3x

x = x or 0 = 0

to check, substitute 0 for x

24 - (3(0) - 9) - 6 = -2(4(0) - 10) + 5(0) + 7

anything times 0 is 0

24 - (0 - 9) - 6 = -2(0 - 10) + 0 + 7

solve:

24 + 9 - 6 = 0 + 20 + 0 + 7

27 = 27

7 0
3 years ago
How many ways can change be made for a quarter using standard u.s. coins? (don't count "1 quarter" as making change for a quarte
AveGali [126]
25 pennies, 2 dimes and 5 pennies, 2 dimes and 1 nickel, 4 nickels.
5 0
3 years ago
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in a test consisting of 90 questions, Ama answered 75% of the first 40 questions correctly. If she had to get a score of 80% in
Shalnov [3]

Answer:

total question =90

she obtained 75% of first 40 questions

  1. No. of question she got correct in first 40 = 75% * 40 = 30

2. in order to get 80% out of 90,

the no. of questions got correct by Ama = 80% * 90 = 72

3. As she already got 30 c0rrect in first 40 questions, the number of question she needs correct for remaining 50 = (72-30) = 42

percentage = 42/50*100% = 84%

3 0
3 years ago
Add, use decimal models. show the work for 2.1 + 0.59
Ugo [173]
<h2>  2.10</h2><h2>+0.59</h2>

₋₋₋₋₋₋₋₋₋₋₋₋

<h2><em>2.69</em></h2>
6 0
3 years ago
1/2q+2(q+5)=-4(q+1)+1
dybincka [34]
Your answer is q = 2
5 0
3 years ago
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