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Gala2k [10]
3 years ago
10

Pls answer it pls pls pls pls pls pls pls pls pls pls

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer: Trey is correct

Step-by-step explanation: Because 3 x 4 = 12 and 4 x 3 also = 12 so Trey is correct.

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The mother's age is 8 times her son's age. After 6 years, the age of the mother will be 9/2 times her son's age. The present age
Sonja [21]

Answer:

s=6 years

m=48 years

Step-by-step explanation:

Let

Mother's age=m

Son's age=s

m=8*s

m=8s (1)

m+6=9/2(s+6)

m+6=9/2s+27 (2)

Substitute (1) into (2)

m+6=9/2(s)+27

8s+6=9/2s+27

8s+6-9/2s-27=0

8s-9/2s-21=0

(16-9/2)s-21=0

7/2s=21

s=21÷7/2

=21×2/7

=42/7

s=6

Present age of the son=6

m=8s

=8(6)

m=48

Present age of the mother=48

5 0
3 years ago
Ayo i need help on math <br> 3x-45=12
Leto [7]

x=19

add 45 to both sides 3

6 0
3 years ago
3 (2x - 5) + 20 + 5x i need help
igomit [66]

Answer:

<h2>11x - 5</h2><h2>   or</h2><h2>x = -5 / 11</h2>

Step-by-step explanation:

3 (2x - 5) + 20 + 5x

= 6x - 15 + 20 + 5x

= 6x + 5x = 15 - 20

= 11x - 5

or if you are looking for x:

then x = -5 / 11

5 0
4 years ago
A density curve for all the possible ages between 0 years and 100 years is in the shape of a triangle. What is the height of the
yawa3891 [41]
Hello there.

<span>A density curve for all the possible ages between 0 years and 100 years is in the shape of a triangle. What is the height of the triangle?

Answer: D</span>
8 0
4 years ago
Read 2 more answers
Which expression can be used to determine the slope of the line that passes through the points (–7, 3) and (1, –9)?
saw5 [17]
-9 - 3 / 1 - (-7)
This can be simplified to -12/8 or -3/2.
8 0
3 years ago
Read 2 more answers
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