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kicyunya [14]
3 years ago
7

Need help ASAP please

Mathematics
1 answer:
laila [671]3 years ago
4 0
Im thinking c, im sorry if wrong
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Mean of four consecutive even numbers is 15. Enter each number separated by a comma<br>​
makkiz [27]
Let the first number be x.
Therefore second number is (x+2).
Therefore third number is (x+4).
Therefore forth number is (x+6).

Hence,
(x+x+2+x+4+x+6+x+8)/4 = 15
(4x+12)/4 = 15
x+3 = 15
x = 12

So,
The number is 12, 14, 16, 18.

Hope it helps : )
6 0
1 year ago
Read 2 more answers
A girl is 30 months old. What is her age in years and months?
jeyben [28]

Answer:

She is 2 years and 6 months old.

7 0
3 years ago
Solve (x + 9)2 = 25.
Rina8888 [55]

Answer:

x = -4 and x = -14

Step-by-step explanation:

Our equation is (x + 9)² = 25

Applying the square root property we would need to take the square root of both sides: \sqrt{(x+9)^{2} } =\sqrt{25}

This give us x + 9 = ±5

Here we have two equations since taking the square root gives us a positive and negative value

Our first equation is x + 9 = 5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -4

Our second equation is x + 9 = -5, and to isolate the variable we would need to subtract 9 from both sides, giving us x = -14

3 0
3 years ago
Please help me now please
Feliz [49]

Answer:  

1 1/4

Step-by-step explanation:

turn the 2 into decimals and then subtract and you get 1.25 and that aa a fraction is 1 1/4

7 0
3 years ago
harrison is playing a board game that has a path of 100 space. after his first turn,he is 1/5 of the way along the spaces. on hi
Kryger [21]
On his first turn he moves one fifth of one hundred what is equal to twenty on second turn he moves twenty less one fourth of twenty what is equal to fifteen. In last time he moves eleven fourths of twenty what is equal to fifty five. Then  3rd turn he has moved ninety  spaces

i hope this helps :)
3 0
3 years ago
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