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mihalych1998 [28]
2 years ago
12

Plz can u help me with this ill give brainilst and can u tell me how to do it step by step thxx ❤️❤️

Mathematics
2 answers:
marshall27 [118]2 years ago
5 0

Answer:

1) 37.7 ft     2)75.4

Step-by-step explanation:

the formula for circumference= 2 x radius  x pi

so i halved the first one as its the diameter but for the second one they already gave the radius

hope this helps!

Leto [7]2 years ago
4 0
1.37.7 ft 2. 75.4 foot
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Three classes at a junior high school raised money to buy new computers. Ms. Moore’s class raised $249.00. Ms. Aguilar raised $3
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3 years ago
4. Nicole has 3,874 pieces of candy to hand
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Read 2 more answers
Find the average value of f over region
SVETLANKA909090 [29]
D is a right triangle with base length 1 and height 8, so the area of D is \dfrac12(1)(8)=4.

The average value of f(x,y) over D is given by the ratio

\dfrac{\displaystyle\iint_Df(x,y)\,\mathrm dA}{\displaystyle\iint_D\mathrm dA}

The denominator is just the area of D, which we already know. The average value is then simplified to

\displaystyle\frac74\iint_Dxy\,\mathrm dA

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\displaystyle\frac74\int_{x=0}^{x=1}\int_{y=0}^{y=8x}xy\,\mathrm dy\,\mathrm dx=\frac78\int_{x=0}^{x=1}xy^2\bigg|_{y=0}^{y=8x}\,\mathrm dx
=\displaystyle56\int_{x=0}^{x=1}x^3\,\mathrm dx
=14x^4\bigg|_{x=0}^{x=1}
=14
3 0
2 years ago
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