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ELEN [110]
3 years ago
15

HELPPP I SUCK AT MATH

Mathematics
1 answer:
e-lub [12.9K]3 years ago
4 0
I think the answer is 6
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Mia is three years older than twice her sister brooks age. The sum of their ages is less than 30. What is the greatest Brooke co
lyudmila [28]
<span>Let Mia's age be m and her sister's age be x m=2x+3 2x+3+x=less than 30 For greatest age we need to take largest number. 3x+3=29 x=26/3 But the options are all in whole numbers, so if 3x+3=27 then x =8</span>
6 0
3 years ago
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mark bought 8 boxes .A week later half of all his boxes were destroyed in a fire there are now only 20 boxes left. With how many
strojnjashka [21]

Answer:

32 boxes

Step-by-step explanation:

20 · 2 = 40 - 8 = 32

4 0
2 years ago
What should be added to both sides of this equation to solve for the variable? r + (-12) = 19
Slav-nsk [51]

Answer:

12

Step-by-step explanation:

Then the -12 and +12 will cancel out, so you're left with a clean isolated r on the left:

r -12 +12 = 19 + 12

r = 31

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3 years ago
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Regina recently inherited an oil painting that was purchased by her great-grandfather for $100 in 1938. In 2013 she took the pai
muminat
The future worth of a certain item or money deposited at a certain percentage is obtained by the equation,

   F = P x (1 + i)^n

F is the future worth, P is present worth, i is the percentage, and n is the number of years.

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   n = 75

Substituting the known values,

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The value of i from the equation is 0.1126.

The answer to this item is 11.26%. 
6 0
3 years ago
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In which set are all of the numbers solutions to the inequality x &lt; -3?
Tomtit [17]

Answer:

i dont know have a good day pls stay safe dont get hurt and get a good grade

Step-by-step explanation:

8 0
3 years ago
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