3 years ago

What expression is equivalent to 5/7 divided by 2/3?

Mathematics

2 answers:

Scrat [10]3 years ago

5 0

5/7 x 3/2 would work.

e-lub [12.9K]3 years ago

5 0

I hope this helps you

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Solve the equation 5*e^x=15.76

liq [111]

Divide both sides by 5

e^x=3.152 take the natural log of both sides...

x=ln(3.152)

x≈1.148

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3 years ago

If ⅓y = 9; then y =?

Svetach [21]

<u>Answer:</u>

<u>Eexplanation:</u>

1/3y = 9

y/3 = 9

y = 9 × 3

y = 27

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3 years ago

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Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the

insens350 [35]

Answer:

So, the volume V is

$V=\frac{14\pi}{3}$

Step-by-step explanation:

We have that:

$y=7x\\\\y=0\\\\x=1\\\\x=-4\\$

We have the formula:

$V=2\pi\int_a^b x(g(x)-f(x))\, dx\\\\g(x)>f(x).$

We calculate the volume V, we get

$V=2\pi\int_a^b x(g(x)-f(x))\, dx\\\\V=2\pi\int_0^1 x(7x-0)\, dx\\\\V=2\pi\int_0^1 7x^2\, dx\\\\V=2\pi\cdot 7\left[\frac{x^3}{3}\right]_0^1\\\\V=14\pi\left(\frac{1}{3}-\frac{0}{3}\right)\\\\V=\frac{14\pi}{3}$

So, the volume V is

$V=\frac{14\pi}{3}$

We use software to draw the graph.

6 0

3 years ago

Which of the following is equal to the rational expression when x -2 or -1? x^2-4/(x+2)(x+1)

Orlov [11]

Answer:

(x+2)(x+1)

Step-by-step explanation:

Assuming im interpreting this correctly, it should be (x+2)(x+1), since if you plug in -2 and -1, it will give you 0, which is the answer.

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3 years ago

James estimate the product of 48 and 53 is that reasonable

Debora [2.8K]

50 x 50= 2500.............

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3 years ago