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Sav [38]
3 years ago
5

What is -7v(v+7)-2(1+4v)

Mathematics
1 answer:
son4ous [18]3 years ago
5 0

Answer:

-7v² - 57v - 2

Step-by-step explanation:

-7v² - 49v - 2 - 8v

-7v² - 57v - 2

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(Easy Question) There are 3 apples and 4 bananas, what is the ratio of bananas to apples? Marking Brainliest for the first corre
9966 [12]

Answer:

4:3 or 4 to 3

Step-by-step explanation:

3 0
3 years ago
14) Which equation represents the line that passes through the point (4,1) and (20,-3)?
guapka [62]

Answer:

All of the options are in standard form (ax+by=c). But none of the answers is an option. The correct answer is <u>x+4y=8.</u>

Step-by-step explanation:

The following screenshot is a graphing website to prove that the equation x+4y=8 passes through the points (4,1) and (20,-3).

I don’t know if the equation x+4y=8 is an option for you, because I don’t see it as an option to choose out of the four.

But I hope this helps and answers your question :)

8 0
3 years ago
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Percentages: Decrease 253 by 42%
Mariana [72]
146.74 because 42% of 253 is 106.26, and take that away from 253 = 146.74
4 0
3 years ago
Linear recurrence relation
KiRa [710]

True

A linear recurrence relation involving a sequence of numbers a_n is one of the form

\displaystyle\sum_{k=0}^nc_{n-k}a_{n-k}=c_na_n+c_{n-1}a_{n-1}+\cdots+c_2a_2+c_1a_1=c

where c_1,c_2,\ldots,c_n and c are any fixed numbers.

The given recurrence can be rearranged as

a_n=a_{n-1}+2\implies 1\cdot a_n+(-1)\cdot a_{n-1}=2

A nonlinear recurrence would have a more "exotic" form that cannot be written in the form above. Some example:

a_n+\dfrac1{a_{n-1}}=1

a_na_{n-1}=\pi

{a_n}^2+\sqrt{a_{n-1}}-\left(\dfrac{a_{n-2}}{\sqrt{a_n}}\right)^{a_{n-3}}=0

3 0
4 years ago
The outside radius of a truck tire is 11 inches. Approximately how far will the truck have traveled after 3 rotations of the the
ANTONII [103]

Answer:

The distance = 207.3 inches

Step-by-step explanation:

∵ The distance = number of revolution × circumference

∵ The radius of the circle = 11 inches

∴ The circumference = 2 × π × r = 2 × π × 11 = 22π inches

∵ Number of revolution = 3

∴ The distance = 3 × 22π = 66π = 207.3 inches

4 0
4 years ago
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