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Lisa [10]
3 years ago
14

Triangular prism surface area

Mathematics
1 answer:
Nina [5.8K]3 years ago
4 0

Answer:

what

Step-by-step explanation:

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What can you simplify 12+3(18-42)+9
rodikova [14]

Answer:

-51

Step-by-step explanation:

<u>Step 1:  Solve inside the parenthesis</u>

12 + 3(18 - 42) + 9

<em>12 + 3(-24) + 9</em>

<em />

<u>Step 2:  Multiply</u>

12 + 3(-24) + 9

<em>12 - 72 + 9</em>

<em />

<u>Step 3:  Combine the first two numbers</u>

(12 - 72) + 9

<em>-60 + 9</em>

<em />

<u>Step 4:  Combine the last two numbers</u>

-60 + 9

<em>-51</em>

<em />

Answer:  -51

5 0
3 years ago
Read 2 more answers
What is the mean of -18, -14, 11, and 13?
Romashka-Z-Leto [24]
Hello User

To do this we need to first add all of the numbers together.

-18 + -14 + 11 + 13 = -8

The next step is to divide the result by how many pairs of numbers there are.
As you can see there are 4 pairs of numbers

So we divide -8 by 4 to get -2

Therefore -2 is the answer to this problem

I hope I helped :-)

-Chris 
6 0
4 years ago
Frankie reads 32 pages of a book each night before he goes to sleep.
masha68 [24]
The answer is p=32n. Hope this helps
6 0
3 years ago
A number is divided by 4, and then the quotient is added to 17. The result is 25. Find the number
PolarNik [594]
Hello!!!

So we are given some number, which we will call x for simplicity purposes. They tell us that number is divided by 4 so x/4, and then 17 is added, so we now have x/4+17 and they tell us this combination is equal to 25 so set what we have so far equal to 25. So we have finally x/4+17=25. Now we just solve for x!

x/4+17=25 first we subtract 17 from both sides leaving us with, x/4=8 so now See need to multiply by 4 on both sides to clear the fraction and get x alone. So we have now

x=8*4 so x=32

Now we can check our answer by putting our value of x into equation and make sure it’s true. So we have for our check,

32/4+17=25 and 32/4 is 8 so we have 8+17=25 which is 25=25 so our equation is true and our answer is correct!!

Hope this helps you understand the concept!! Any questions please just ask!! Thank you so much!!
3 0
3 years ago
Simify the following expression (show work ) IF YOU CAN
Mashutka [201]

(4d)(6d)(0.25d)=d^3[(4)(6)(0.25)]=\boxed{6d^3}

5 0
2 years ago
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