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Fantom [35]
2 years ago
6

!HELP I'M GOING TO FAIL! Find the missing horizontal side. Vertical side, and area of the playground.

Mathematics
1 answer:
Lyrx [107]2 years ago
4 0

Answer:

Horizontal side: 7 ft

Vertical side: 12 ft

Area: 286 ft

Step-by-step explanation:

horizontal: 25 - 18 = 7

vertical: 10 + 2 = 12

area= (25x12) - (2x7) = 286

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Evaluate the equation. H divided by 3 = 69 2/3
Strike441 [17]

Answer:

138

Step-by-step explanation:

Do the inverse. 69 2/3 multiplied by 3 is 138.

7 0
2 years ago
Find 2x2 − 2z4 + y2 − x2 + z4 if x = −4, y = 3, and z = 2.
maw [93]
If you put in the substitutions it would be 2*2-(2*2*4)+(3*2)-(-4*2)+(2*4).
Simplified further by multiplying it would be 2*2-8+6--8+8
the negative 8 could be simplified further since the negatives cancel out so you'll have 2*2-8+6+8+8.
Then using the order of operations you would multiply the 2's together first to get 4 so you have 4-8+6+8+8. 
After that it's simple addition giving you an answer of -26.
I'm not sure if you're looking for the final answer or just the equation with substitutions but there's both.

3 0
3 years ago
If f(3)=2x^3 -2 , what is the value of f(2)
iris [78.8K]

I'm not sure about this but will give it a try:

Let f(n) = 2xⁿ - 2

Then f(3) = 2x³ - 2

So, f(2) = 2x² - 2

5 0
3 years ago
If B=3x^{2}-x+3 and A=x-6, find an expression that equals 2B+3A in standard form.
Ivan

9514 1404 393

Answer:

  6x^2 +x -12

Step-by-step explanation:

Substitute for A and B and collect terms.

  2B +3A

  = 2(3x^2 -x +3) +3(x -6) . . . . substitute for A and B

  = 6x^2 -2x +6 +3x -18 . . . . . eliminate parentheses

  = 6x^2 +x -12 . . . . . . . . . . . . collect terms

7 0
3 years ago
What is the value of the expression |a + b| + |c| when a = –3, b = 7, and c = 1
Damm [24]

The answer is 5 hope this helps

6 0
3 years ago
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