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bulgar [2K]
3 years ago
8

I just need examples of these things, I have to make my own problems and solve them:

Mathematics
1 answer:
poizon [28]3 years ago
6 0
1) x+17=20
x-10=30

2) x/4=20
x/30=2

3) 4(x+5)=40

4) x+3.2=6

5) A pizza place sells pizza for $5 per box. If I had $20 how many pizzas can I buy in all? (5x=20)

Hope this helps! Have a wonderful day.
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Simplify the expression 200y+30+110-75y×2+y
vichka [17]
The answer would be 51y+140
4 0
3 years ago
A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 7 % per year and
Volgvan

Answer:

Hi! I believe this is your answer:

$750

Step by step explanation:

interest + interest      = total interest

0.08*x   + 0.09*(9000-x) = 750    dollars

0.08x + 810 - 0.09x = 750

-0.01x = 750 - 810 = -60  ====>  x = %28-60%29%2F%28-0.01%29 = 6000.

Final answer:  

$6000 was invested at 8%.  The rest   9000-6000 = 3000 dollars were invested at 9%.

Check.   0.08*6000 + 0.09*3000 = 480 + 270 = 750 dollars.

6 0
2 years ago
The Super Shop and Save store had 120 gallons of milk placed on the shelf one night. During the next morning's inspection, the m
Sergeeva-Olga [200]
18 gallons of milk had passed the expiration date.

Explanation step by step

Multiply 120x 15%
Turn 15% into a decimal which is 0.15 so now it’s 120x0.15 which equals to 18.
8 0
3 years ago
What 5 numbers that has a median equal to 7?
Elza [17]
Median is where if you put them in ascending order and cross them off, one from each side at a time, you get to the middle number.
56789 is your answer but so would any group of 5 numbers where two are bigger and two smaller than seven.
4 0
3 years ago
-7-(-7)=? Plz help plz plz
Reil [10]

Answer:

the answer is 0

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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