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monitta
3 years ago
9

Evaluate -2x2 y, if x = -3 and y = -1

Mathematics
1 answer:
Gre4nikov [31]3 years ago
6 0
The answer is -12
these are the steps on how to find that 
-2x2y
-2(-3)2(y)
6 times -2
-12
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Given:<br> f(x)=x^2<br> g(x)=x-1<br> Find f(g(2))+g(f(-1))
Marina CMI [18]

Answer:

-1

Step-by-step explanation:

First, we need to work out the left-hand side.

  • find g(2) → g(2) = 2 - 1 which is 1
  • next, find f(1) → f(1) = 1³ which is 1

Now, we can work out the right hand side.

  • find f(-1) → f(-1) = -1³ which is -1
  • then, find g(-1) → g(-1) = -1 - 1 = -2

Finally we can work out the full sum: 1 + -2 = -1.

Hope this helps!

8 0
2 years ago
PLEASE HELP. I HAVE LIMITED TIME.
Lana71 [14]
I think this is it, but i’m not sure about the last one
3 0
3 years ago
ABCD×9=DCBA<br>(what is the value of A, B, C and D)​
Anettt [7]

Answer:

0

Step-by-step explanation:

The only value that would make sense is if at least one of the variables (A , B , C , D) is 0 (if not all of them). When multiplied, the answer will still be 0, thereby making the equation true.

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4 0
3 years ago
Write the ratio 41 to 100 as a percent
tia_tia [17]

Answer:

41\%

Step-by-step explanation:

we have the ratio

\frac{41}{100}

To write as percent, multiply the ratio by 100

so

\frac{41}{100}*100=41*100/100=41\%

3 0
3 years ago
The product of a number and 4 increased by 16 is -2
Art [367]
The answer is -4.5

To solve these types of problems it's best to work backwards.
-2 - 16 = -18
4 x (n) = -18
n = -18/4
n = -4.5

3 0
3 years ago
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