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3 years ago

6

HELLPPPP MEEEEEEEE

1 answer:

kirill115 [55]3 years ago

5 0

Answer:

b

Step-by-step explanation:

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To make 20 pancakes you have to use 3 eggs. how many eggs do you use to make 100 pancakes?

SashulF [63]

3/20 = 0.15
0.15 * 100 = 15
You would need to use 15 eggs for 100 pancakes.

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3 years ago

Temka [501]

3x+15= 5x
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3 years ago

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Multiplicative inverse of 3/7 x 2/7

Ahat [919]

<h3> $\frac{ - 7}{3} \times \frac{ - 7}{2}$ </h3>

It is the multiplicative inverse of 3/7 × 2/7

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3 years ago

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In a certain town there were 403 robberies last year.this year the number of robberies has gone down 35% how many robberies were

8_murik_8 [283]

262 robberies this year

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Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. Only 1 try

vagabundo [1.1K]

Using the shell method, the volume is

$\displaystyle 2\pi \int_0^1 (2-x) \cdot 8x^3 \, dx = 16\pi \int_0^1 (2x^3 - x^4) \, dx$

Each cylindrical shell has radius $2-x$ (the horizontal distance from the axis of revolution to the curve $y=8x^3$ ); has height $8x^3$ (the vertical distance between a point on the $x$ -axis in $0\le x\le1$ and the curve $y=8x^3$ ).

Compute the integral.

$\displaystyle 16 \pi \int_0^1 (2x^3 - x^4) \, dx = 16\pi \left(\frac{x^4}2 - \frac{x^5}5\right) \bigg|_{x=0}^{x=1} \\\\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ = 16\pi \left(\frac12 - \frac15\right) \\\\ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ = \frac{24}5\pi = \boxed{4.8\pi}$

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2 years ago