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Phoenix [80]
3 years ago
11

For exercise, mr.harris walked 1 and 3 fourths miles 5 times last week.how many miles did he walk in all?

Mathematics
2 answers:
Digiron [165]3 years ago
8 0
1(3/4) miles 5 times= 1(3/4)*5= 8 and 3/4 miles
RUDIKE [14]3 years ago
4 0
Well, if he walked one and three fourths miles five times, all you have to do is multiply one and three fourths and five to get your answer.

1 \frac{3}{4}*5 \\  \\  \frac{7}{4}* \frac{5}{1}    \\  \\  \frac{7*5}{4*1}  \\  \\  \frac{35}{4} =8 \frac{3}{4}
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24 sqrt 3

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Step-by-step explanation:

4 0
3 years ago
In the equation (x^2+y)^5, what is the coefficient of the term x^4y^3? what is the coefficient of the same term in the expansion
lys-0071 [83]

\displaystyle
(x+y)^n=\sum_{k=0}^n\binom{n}{k}x^{n-k}y^k

<em>-------------------------------------------------------------</em>


\displaystyle&#10;(x^2+y)^n=\sum_{k=0}^n\binom{n}{k}x^{2n-2k}y^k\\&#10;n=5\\&#10;k=3\\\\\binom{5}{3}=\dfrac{5!}{3!2!}=\dfrac{4\cdor5}{2}=10

<u>It's 10.</u>

----------------------------------------------------

\displaystyle&#10;(3x^2+y)^n=\sum_{k=0}^n\binom{n}{k}(3x)^{2n-2k}y^k=\sum_{k=0}^n\binom{n}{k}\cdot 3^{2n-2k}\cdot x^{2n-2k}y^k\\\\&#10;n=5\\&#10;k=4\\\\&#10;\binom{5}{3}\cdot3^{2\cdot5-2\cdot4}=10\cdot3^{2}=10\cdot9=90

<u>It's 90</u>

6 0
3 years ago
Please help in this question. I WILL mark brainliest. NO LINKS
deff fn [24]

Answer:

B, you are correct

Area of the bigger trapezoid = (6 + 2) x 1/2 x 6 = 8 x 1/2 x 6 = 4 x 6 = 24

Area of the smaller trapezoid = (4 + 2) x 1/2 x 3 = 6 x 1/2 x 3 = 3 x 3 = 9

<h2>Area of the shaded area = 24 - 9 = 15</h2>

<em>Hope that helps! :)</em>

<em>Hope that helps! :)</em>

<em></em>

<em>-Aphrodite</em>

Step-by-step explanation:

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4 0
3 years ago
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