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Lapatulllka [165]
3 years ago
8

160 bananas; 20% decrease

Mathematics
2 answers:
mezya [45]3 years ago
7 0

Answer:

do 160-20.

Step-by-step explanation:


rusak2 [61]3 years ago
3 0

Answer:128



Step-by-step explanation:


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If you are reading this please help!!!!
Soloha48 [4]

Given:

1.  -3 x^{2}\left(4 x^{3}-7\right)\\$2. $(6 x-5)(2 x+3)$\\3. $(3 x-1)\left(x^{2}+5 x-2\right)$

To find:

The product of the polynomials.

Solution:

1. -3 x^{2}\left(4 x^{3}-7\right) =-3 x^{2}(4 x^{3}) -3 x^{2}(-7)

Multiply the numerical coefficient and add the powers of x.

                          =-12 x^{5}+21 x^{2}

2. (6 x-5)(2 x+3)=6 x(2 x+3)-5(2x+3)

Multiply each term of first polynomial with each term of 2nd polynomial.

Multiply the numerical coefficient and add the powers of x.

                              =12 x^2+18x-10 x-15

                              =12 x^2+8x-15

3. (3 x-1)\left(x^{2}+5 x-2\right)=3 x(x^{2}+5 x-2)-1(x^{2}+5 x-2)

Multiply each term of first polynomial with each term of 2nd polynomial.

Multiply the numerical coefficient and add the powers of x.

                                      =3x^{3}+15 x^2-6x-x^{2}-5 x+2

Add or subtract like terms together.

                                      =3x^{3}+14 x^2-11x+2

The answer for multiplying polynomials:

1. -12 x^{5}+21 x^{2}

2. \  12 x^2+8x-15

3. \ 3x^{3}+14 x^2-11x+2

3 0
3 years ago
What is the solution to 3/4b=8
soldier1979 [14.2K]

Answer:

b=\frac{32}{3}

Step-by-step explanation:

\frac{3}{4}b=8

Multiply both sides by 4:

4\times \frac{3}{4}b=8\times4

3b=32

Divide both sides by 3:

\frac{3b}{3}=\frac{32}{3}

b=\frac{32}{3}

6 0
3 years ago
Evaluate the function f(x)= -2x +1 for f(3). <br><br> A)-5<br> B)6<br> C)7<br> D)10
pantera1 [17]
<span>f(x)= -2x +1 for f(3)

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

answer
</span><span>A)-5</span>
4 0
3 years ago
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First to answer correctly gets brainliest <br> Clicking on the images makes it full
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Answer:

a)

There are 6 planes - 5 faces of the pyramid and one base, which overlaps with the plane X.

b)

<u>Collinear points are the points on the same line:</u>

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c)

The intersection of planes X and HGD is the line section HG.

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3 years ago
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• complete assurance of learning exercise 7d, steps 1 and 2, on text page 240.
KATRIN_1 [288]
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