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zzz [600]
3 years ago
5

What is the total area of this pyramid?​

Mathematics
1 answer:
dem82 [27]3 years ago
7 0

Answer:

17.71

Step-by-step explanation:

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A rectangular piece of metal is 20 in longer than it is wide. Squares with sides 4 in long are cut from the four corners and the
Arte-miy333 [17]

Answer:

width = 12.5

Step-by-step explanation:

rectangular volume = height * width * length

1200 = 4 * w * (20 + 4)

1200 = 4 * w * 24

1200 = 96w

12.5=w

3 0
3 years ago
5. f(x) = 3x³ - 4x² +6x and g(x)=5x ³+ 2x²- 3x. What is f(x) - g(x)?
sasho [114]

Answer:

<h2>A. -2x³ - 6x² + 9x</h2>

Step-by-step explanation:

f(x)=3x^3-4x^2+6x\\\\g(x)=5x^3+2x^2-3x\\\\f(x)-g(x)=(3x^3-4x^2+6x)-(5x^3+2x^2-3x)\\\\=3x^3-4x^2+6x-5x^3-2x^2-(-3x)\qquad\text{combine like terms}\\\\=(3x^3-5x^3)+(-4x^2-2x^2)+(6x+3x)\\\\=-2x^3-6x^2+9x

8 0
3 years ago
A line with a slope of -1/2 passes thru the point (-4,3)...Which equation represents this line?
BaLLatris [955]
Here you go!! Hope this helps!!!!

7 0
3 years ago
Read 2 more answers
Subtract 1/4w + 4 from 1/2w + 3
Aleks04 [339]
I think it should be w+28/4 if thats one of the answer choices.
4 0
3 years ago
It costs $0.60 to run a fan for 4 hours. How much does it<br> cost to run the fan for 6 hours?
spin [16.1K]

Answer:

0.90$

Step-by-step explanation:

4hour=0.60

6hour=x

x=(0.60×6)/4

x=0.90$

5 0
3 years ago
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