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2 years ago

Someone please help with this question for brainliest !!!!:)

Mathematics

1 answer:

N76 [4]2 years ago

8 0

Answer:

Step-by-step explanation:

the polynomial remainder theorem states that the remainder of the division of a polynomial f(x) by a linear polynomial x-r is equal to f(r). In particular, x-r is a divisor (that means a factor) of f(x), if and only if f(r)=0.

our r here is -1 to get x + 1.

f(-1) = 2×(-1)³ + 5×(-1)² - -1 - 6 = -2 + 5 + 1 - 6 = -2

the remainder is -2.

and since the remainder is <> 0, the binomial cannot be a factor.

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If five books cost 5.25 how much would 3 cost.

nordsb [41]

Step 1: Divide $5.25 by 5
=1.05

Step 2: Multiply 1.05 by 3
= 3.15

Step 3: You're done!

4 0

3 years ago

In ancient egypt, a scribe equated the area of a circle with a diameter of 9 units to the area of a square with a side length of

Rudik [331]

Answer:

$\pi =3.160494$

Step-by-step explanation:

step 1

Find the area of the circle with a diameter of 9 units

we know that

The area of a circle is equal to

$A=\pi r^{2}$

we have

$r=9/2=4.5\ units$ ----> the radius is half the diameter

substitute

$A=\pi (4.5)^{2}$

$A=20.25\pi\ units^2$

step 2

Find the area of a square with a side length of 8 units

we know that

The area of the square is

$A=b^2$

where

b is the length side of the square

we have

$b=8\ units$

substitute

$A=(8)^2=64\ units^2$

step 3

Equate the areas

$20.25\pi=64$

solve for $\pi$

$\pi =\frac{64}{20.25}=3.160494$

5 0

3 years ago

FIND THE VOLUME OF A PRISM-SHAPED WATERMELON IN CUBIC INCHES IF ITS LENGTH IS 10 INCHES ITS WIDTH IS 2/3 FOOT AND ITS HIEGHT IS

svetlana [45]

The way to find Volume is V=lwh so plug in the length, width and height( V=(10)x(2/3)x(9) ) and you'll get your answer.

4 0

3 years ago

If the cos of angle x is 8 over 17 and the triangle was dilated to be two times as big as the original, what would be the value

Viktor [21]

Answer:

the answer is 8/17

Step-by-step explanation:

i got it right on the quiz

6 0

3 years ago

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brilliants [131]

1:4
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4/16
The fraction can be simplified to 1/4, meaning that the simplest ratio is 1:4.

5 0

3 years ago