If Mary is x years old and her brother is 8 years older, how many times as old as Mary is her brother?
1 answer:
Answer:
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We know that her brother’s age is 8 years greater than hers, so it can be written by the expression
x+8
To find out how many times older than Mary her brother is, we simply divide by Mary’s age (x). So the expression for how many times older Mary’s brother is compared to her is
(x+8)/x
Step-by-step explanation:
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I think it is the third one have a beautiful day Remeber you are awesome beautiful and loved
Answer:
6-n
Step-by-step explanation:
The first term, a is 5 and the common difference is - 1.
So an=a+(n-1)d, an=5+(n-1)(-1)=5-n+1=6-n. Answered by Gauthmath
Answer:
<u>(3, -1) </u>
Step-by-step explanation:
<u>Given</u>
<u>Subbing the value of y</u>
4x + 5(3x - 10) = 7 4x + 15x - 50 = 7 19x = 57 x = 3 y = 3(3) - 10 y = 9 - 10 y = -1 Solution is <u>(3, -1) </u>
Answer:
1,6 ,15,20,15,6,1
Step-by-step explanation:
The trick here is that the expansion are the
numbers in pascal triangle
1
1,1
1,2,1
1,3,3,1
1,4,6,41,
1,5 ,10, 10, 5, 1
1,6 ,15,20,15,6,1
Answer:
15ft
Step-by-step explanation:
a^2 + b^2 = c^2
12 or 9 can equal to b or a
12^2 + 9^2 = c^2
144 + 81 = c ^2
225 = c^2
Square root of 225
15 = c