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alexgriva [62]
3 years ago
9

Help me please please now asap

Mathematics
1 answer:
Oduvanchick [21]3 years ago
6 0
120 different 3digit numbers
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The right triangular prism has a volume of 1,152 cm3. What is the value of x, the height of the prism? 6 8 12 16
rusak2 [61]

volume = 1/2 x a x b x X

1152= 1/2 x 12x 12 x X

 12*12 = 144

1152 = 1/2 x 144 x X

1152/ 1/2 = 2304

2304 =144 x X

X=2304/144 = 16

check  1/2*12*12*16 = 1152

x=16cm

3 0
3 years ago
Read 2 more answers
For f(x) = 5x + 1
drek231 [11]

Answer:

A. f(7) = 5(7) + 1\\\\f(7) = 36

B. f^{-1}(x) = \frac{x - 1}{5}

C. f^{-1}(7) =\frac{6}{5}

D. f(\frac{6}{5}) = 7

Step-by-step explanation:

A. To solve the first part of the problem we must replace x = 7 in the function f(x) = 5x + 1

So:

f(7) = 5(7) + 1\\\\f(7) = 36

B. In part B we must find the inverse function of f(x) = 5x + 1

To find the inverse function do y = f(x)

y = 5x +1

Now clear the variable x.

\frac{y - 1}{5} = x

Replace x with y.

y = \frac{x - 1}{5}

Finally

f^{-1}(x) = \frac{x - 1}{5}

C. Now we take the inverse function found above and replace x = 7

f^{-1}(7) = \frac{7 - 1}{5}\\\\f(7) = \frac{6}{5}

D. Now we substitute x = f(f^{-1}(7)) in the original function.

x = f( f^{-1}(7))\\\\f^{-1}(7) = \frac{6}{5}\\\\ x= f(\frac{6}{5} )\\\\f(\frac{6}{5}) = 5(\frac{6}{5}) + 1\\\\f(\frac{6}{5}) = 7

8 0
4 years ago
Read 2 more answers
Write the number as a product of primes.<br><br><br> 99= ?<br><br> (answer is not 33)
antoniya [11.8K]

Answer:

Prime factorization: 99 = 3 x 3 x 11, which can also be written 99 = 3² x 11

Step-by-step explanation: HOPE THIS HELPS

99 = 3 x 3 x 11, which can also be written 99 = 3² x 11.

5 0
1 year ago
What is the distance between points (5, 13)
horrorfan [7]

You are going to treat this as a triangle so one side is 13 units long and the other is 22. And using the pythagorean theorem a²+b²=c².

13²+22²=c²

169+484=c²

653=c²

√653=√c²

25.55386...=c

Or, rounded to the nearest hundredth, 25.55

7 0
3 years ago
The point P(-6, -6) is reflected over the x-axis. What are the coordinates of the resulting
Fed [463]

Answer:

It would be (6,-6)

Step-by-step explanation:

Hope this helps.

7 0
3 years ago
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