4 years ago

Find the product: 8/19 × 12/20 = ?

Mathematics

1 answer:

Sidana [21]4 years ago

6 0

reduce 12/20 to 3/5

multiply both top numbers and then both bottom numbers

8 x 3 = 24

19 x 5 = 95

so answer is 24/95

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Solve this linear equation using substitution. (Please show work!)

Genrish500 [490]

Answer:

y=1-7x

Step-by-step explanation:

7x+y=1

The first thing to do is get the y by its self. So u cancel the 7x out by-7x and bring it to the other side.

7x-7x = 0

Now all we have left is: y=1-7x

Hope it helps and is right.

5 0

3 years ago

Read 2 more answers

Solve the inequality 11 < x - 16

asambeis [7]

Answer:

The choice B.

$x > 27$

Step-by-step explanation:

$11 < x - 16 \\ 11 + 16 < x - 16 + 16 \\ 27 < x \\ x > 27$

I hope I helped you^_^

8 0

2 years ago

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

B. − 4 = 7 and − 4 + 4 = 7 + 4

daser333 [38]

Answeration:

they are both false

3 0

3 years ago

Janna jumped 156in in the long jump competition at the high school track meet . How many feet did Janna jump

Triss [41]

To find the number of feet she jumped you have to divide 156 by 12 because there are 12 inches in a foot

So 156/12 =13
So she jumped 13 feet

5 0

4 years ago