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MAXImum [283]
3 years ago
9

If a number is first doubled then decreased by six and the result is eight, what is the number?

Mathematics
1 answer:
vlada-n [284]3 years ago
7 0

Answer:

7

Step-by-step explanation:

2n - 6 = 8. Simplified version is n = 7

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The circumference of a circle is 15 centimeters. What is the diameter? Round to the nearest hundredths place.
lesya692 [45]

Answer:

4.77

Step-by-step explanation:

because Circumference can be found with this equation

C = 2piR

we need to plug in 15 for Circumference and solve for its radius or R.

15 = 2piR

15/2pi = R

but we need diameter which is 2R so we just need to multiply the answer by 2.

15/2pi × 2 = Diameter

15/pi = D

approximately = 4.77

6 0
3 years ago
Pls help fast 10 points instead of 5
Elodia [21]
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4 0
3 years ago
If g(x) = 4√x-8 , which statement is true?
Mariana [72]
We have the following function:

g(x)=4\sqrt{x}-8

So if we graph this function we will get the Figure below. Thus, let's study both the equation and the graph to get some conclusions. Therefore, we can assure these statements:

First. The function is defined only for x\geq 0 as shown in the Figure. This is also true because of \sqrt{x} where x must be greater (or equal) than zero.

Second. The range of the function are the values of y\geq -8.

Third. If x creases then y always creases, too. 

4 0
3 years ago
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Anyone knows how to do integration? Pls help! URGENT!
MrRa [10]
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8 0
3 years ago
A regular octagonal pyramid has a base edge of 3m and a lateral area of 60m^2. Find its slant height.
Olin [163]
Octagon = 8-side polygon

<u>Find area of 1 triangle:</u>
Area of one side triangle = 60 ÷ 8 = 7.5 m²

<u>Given area and length, find height:</u>
Area of each triangle = 7.6 m²
Length of each triangle = 3m

Area = 1/2 x base x height
7.5 = 1/2 x 3 x height
Heigth = 5m

Answer: Slanted Height = 5 m

4 0
3 years ago
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