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Mekhanik [1.2K]
3 years ago
14

What is the value of 7z^2 + 4 x 3w when w= 8 and z= -3

Mathematics
2 answers:
zepelin [54]3 years ago
6 0
64+96=160. I just plugged in the numbers!
Lesechka [4]3 years ago
5 0
So the answer would be 32x^3+63 right?

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Sum of the exterior angles of polygons
Ne4ueva [31]

Answer:

360° .

Step-by-step explanation:

6 0
3 years ago
A bulletin board is 3 ft high. the area is 15 sq ft. what is the perimeter?
Ipatiy [6.2K]
First step: Find how wide the bulletin board is
     15 ft² ÷ 3 ft = 5 ft
Step the second: Use the perimeter formula P = 2l + 2w
     P = 2(5) + 2(3)
     <u>P = 16 ft</u>
5 0
3 years ago
For the function F(x)=1/x+1, whose graph is shown below, what is the relative value of F(x) when the value of x is close to -1.
daser333 [38]
Well as x can never actually be -1 because I'm in the denominator -1 + 1 = 0 and we cannot divide by zero. But we can look at what number it approaches and i assume that is the relative value. sometimes functions will have asymptotes and others will have holes in the graph. this one would have an asymptote going down at a rapid rate. the asymptote would go on forever getting infinitely close to -1 but never touching. So I would say since the asymptote goes down forever that the graph approaches negative infinity
6 0
3 years ago
The volume of a rectangular prism is 72 cubic centimeters. The prism is 2 centimeters wide and 4 centimeters high. What is the l
skelet666 [1.2K]

Answer:

The length of prism is  <u>9 centimetres</u>.

Step-by-step explanation:

Given:

The volume of a rectangular prism is 72 cubic centimeters.

The prism is 2 centimeters wide and 4 centimeters high.

Now, to find the length of prism:

Let the length be l.

Width = 2 centimeters.

Height = 4 centimeters.

Volume = 72 cubic centimeters.

So, putting the formula to get the length of prism:

Volume = length\times width\times height

72=l\times 2\times 4

72=l\times 8

Dividing both sides by 8 we get:

9=l

Length = 9 centimetres.

Therefore, the length of prism is  9 centimetres.

6 0
3 years ago
A kg of aluminum earns a collector $2.50 at the recycling center. If I collect 14 kg. Of aluminum cans, how much money will I ea
saul85 [17]

Answer:

$ 35

Step-by-step explanation:

\frac{1}{14}  =  \frac{2.5}{x}

x = 14 \times 2.5 \\  \\ x = 35

8 0
3 years ago
Read 2 more answers
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