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Alex73 [517]
3 years ago
12

If f(x) = 3 - 1 and g(x) = x + 2, find (f-g)(x)

Mathematics
1 answer:
Kazeer [188]3 years ago
3 0

Answer:

2x² + 4x

Step-by-step explanation:

= (3 - 1)(x + 2)(x)

= (2)(x + 2)(x)

= (2x + 4)(x)

= 2x² +4x

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The sum of two numbers is 42, and one number is twice the other. Find the two numbers​
NikAS [45]

Answer:

28 and 14

Step-by-step explanation:

14 x 2 = 28

28 + 14 is 42.

3 0
3 years ago
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Every day the teacher has her class of ten students line up for lunch. how many different ways can the students line up?
vlada-n [284]
That's a question for arrangement, so we have:
A^{10}_{10}=10*9*8*7*6*5*4*3*2*1=5.4*10^{11}
6 0
3 years ago
The truck's tank is a stainless steel cylinder. Find the surface area of the tank. Round your answer to the nearest hundredth.
Feliz [49]

Answer:

Area of the truck tank is 1356.48ft^2

Step-by-step explanation:

It is given height of the cylinder h = 50 ft

Radius of cylinder is r = 4 ft

Surface area of the cylinder is equal to

A=2\pi rh+2\pi r^2

Now putting the value of r and h

A=2\times 3.14\times  4\times 50+2\times 3.14\times  4^2

=1356.48ft^2

Therefore area of the truck tank is 1356.48ft^2

8 0
4 years ago
2.5 divided by 23.35
joja [24]
10.7=11 is the answer to 23.5 divide by 2.5
3 0
3 years ago
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Two teams are selling candy bars to raise money. Team A has $165 saved and they are selling each candy bar for $2. Team B has $7
devlian [24]

Answer: Each have to sell 91 candy bars to have the same amount of money.

Step-by-step explanation: Suppose x represents the amount of candy bars.

Team A already have $165 and they are selling each candy bar for $2. The mathematical equation that represents the amount of money they have is

A: 165 + 2x

Team B initially has $74 and will sell each candy bar for $3. Then, the mathematical equation representing their amount of money is

B: 74 + 3x

So, to have the same amount of money:

165 + 2x = 74 + 3x

x = 165 - 74

x = 91

<u>Teams A and B will have the same amount of money when each of them </u><u>sell 91 candy bars</u>.

6 0
3 years ago
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