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Mekhanik [1.2K]
3 years ago
8

Given h(x)=4x-4, solve for x when h(x)=0

Mathematics
1 answer:
AfilCa [17]3 years ago
8 0

Answer:

x=1

Step-by-step explanation:

4x-4=0

4x=4

Therefore, x=1

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How do you find the area of a rectangular prism?
LuckyWell [14K]
Hey there!

Let's first define what area means. Area is for two-dimensional shapes, and expressions how big something is and to what extent. There are formulas that can measure area because these shapes are totally flat, and there's nothing more to measure.

However, when we have three-dimensional figures such as rectangular prisms, we use surface area. Surface area measures the total area that the object takes up, and is a sum of the areas of all the faces. The formula for surface area of a rectangular prism is:

2(lw + wh + lh)

So if we had:

L = 5
W = 6
H = 3

We would have:

A = 2(5×6 + 6 × 3 + 5×3) =
2(30 + 18 + 15) =
2(48 + 15) =
2(63) =
A = 126 units cubed

Notice how it's units cubed because there's 3 dimensions.

Hope this helps!
5 0
4 years ago
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4 years ago
Jina has scored 79, 85, 89 and 68 on her previous four tests. What score does she need on her next test so that her mean is 80?
poizon [28]

Answer:

79

Step-by-step explanation:

79, 85, 89, 68 have a mean of 80.25 according to <em><u>calculator.net</u></em>. the number itself Is close to the number you want, in this case 80, i input 80, but it gave me a score of 80.2, so i tried again with 81, it gave me a score of 80.4, so the third attempt was successful with 79 being the input and 80 the output

calculator.net is approved on my school computer so there is a chance it is on yours as well.

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3 years ago
(a) It takes 83 pounds of seed to completely plant a 9-acre field.
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K= -f(x)+gx
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