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vesna_86 [32]
3 years ago
7

Consider each equation and solution. Is each solution correct? Yes or No.

Mathematics
1 answer:
Nikolay [14]3 years ago
6 0
A. No because -2*-3=6
B. No because if you plug in 5 it will be 1-2(5) which equals -9
C. No because when you plug in -4 it will be 4+6(-4) which equals to -20
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In a certain month, Mason spent 1/6 of his salary in the first three days and $800 in the following ten days and after that he w
Nesterboy [21]
<h3>Answer:   $2400</h3>

========================================================

Explanation:

x = Mason's salary in dollars for that month

x/6 = one-sixth of his salary

x/6+800 = total amount spent (the x/6 dollars and $800 combined)

In total, he spent half his salary. This means he spent x/2 dollars for the month overall.

Set the two items equal to one another. Solve for x.

x/6 + 800 = x/2

6(x/6 + 800) = 6*(x/2) ... see note at the bottom of the page

x+4800 = 3x

4800 = 3x-x

4800 = 2x

2x = 4800

x = 4800/2

x = 2400

His monthly salary is $2400

1/6 of this is (1/6)*2400 = 2400/6 = 400 dollars. Add on the $800 he also spent to get a total of 400+800 = 1200 dollars spent, which is exactly one half of the $2400. The answer is confirmed.

-------

Note: I multiplied both sides by 6 to clear out the fractions. The value 6 is the LCD in this case.

7 0
3 years ago
A CD usually sells for $13.00. If the CD is 30% off, and sales tax is 8%, what is the total price of the CD, including tax?
slamgirl [31]

I think it's $10.14.

8 0
3 years ago
PLEASE HELP ASAP WILL GIVE BRAINLEIST!!
melisa1 [442]

Answer:

c

Step-by-step explanation:

the answer is 201.6 but c is the closest

5 0
3 years ago
What is the answer for -390=26c+52<br><br> Choices:<br> 1: C=17<br> 2: C=-13<br> 3: C=13<br> 4: C=17
just olya [345]

Answer:

C=-17

Step-by-step explanation:

-390-52=-442

-442/26=-17

-17

8 0
3 years ago
What is the interest for a principal of $3,500 at a simple interest rate of
Zielflug [23.3K]

Answer:

hi hope it helps

I=$336

Step-by-step explanation:

P=$3500, R=3.2%, T=3yrs and I=?

I=PRT/100

=3500x3.2x3/100

=33600/100

=$336

5 0
3 years ago
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