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Eduardwww [97]
3 years ago
10

What is an equivalent expression for 6v + -1 ?

Mathematics
2 answers:
kipiarov [429]3 years ago
8 0

Answer:

5v is an equivalent expression for 6v + -1 ?

makvit [3.9K]3 years ago
8 0

Answer:

5v is equivalent expression for 6v + -1

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20 out of 25 students were 15 y/o, what percentage of the students is 15 ?
zalisa [80]

Answer:

80% are 15 years old

Step-by-step explanation:

To find the percent , we need to know how many out of 100

20/25

Multiply the top and bottom by 4

20*4

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25*4

80/100

This is 80%

80% are 15 years old

4 0
3 years ago
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A car is purchased for $45000. It depreciates about 8% a year. What would the value be after 2 years?
MA_775_DIABLO [31]
37,800 since it depreciates by 8% of the original price each year
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3 years ago
The streptococci bacteria population N at time t (in months) is given by N = N0e 2t where N0 is the initial population. If the i
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3 years ago
Can some one please help on number 8
Greeley [361]

X=13 1/3


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6 0
3 years ago
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The smaller cone is replaced with another cone of equal radii, but a height twice as big.
Bess [88]
Let's make this simple. Let's have the small cone have a radius 1 and the height 1. This would make the bigger cone have a radius of 1 and the height of 2.

With this information, lets get the volume of both cones. The formula is this:

V =  \dfrac{(\pi r^2 h)}{3}

Plug in numbers:
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Big cone: V =  \dfrac{(\pi 1^2 \times 2)}{3}

The small cone has a volume of \dfrac{\pi}{3}
The big cone has a volume of \dfrac{2 \pi}{3}

Now, you want to find how many small cones you need to have the same total volume of the big cone.

\dfrac{2\pi}{3} -  \dfrac{\pi}{3} =  \dfrac{\pi}{3} 


You have the difference of pi over 3 comparing the big cone to the small one. You realize that the small cone has the same volume of that. Therefore, you need 2 small cones to have the same total volume as the larger cone
6 0
3 years ago
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