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shusha [124]
2 years ago
9

PLS HELP QUICK!!!

Mathematics
1 answer:
Flura [38]2 years ago
7 0

Answer:

B

Step-by-step explanation:

8*5/6= 20/3 which is equal to 40/6 or forty sixths

Please mark brainlest

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Find the value of c so that (x-5) is a factor of the polynomial p(x)
liubo4ka [24]

I think the question is

Find the value of c so that (x-5) is a factor of the polynomial

p(x) = x^3 + 2x^2 + cx + 10

The other factor is going to be some quadratic.  We can say a few things about its coefficients but let's start by saying in general it's

q(x)= ax^2 + bx + k

p(x) = (x-5)q(x)

x^3 + 2x^2 + cx + 10 = (x-5)(ax^2 + bx+k) = ax^3 + (b-5a)x^2 + (k-5b)x - 5k

Equating respective coefficients,

a=1

b-5a = 2

k - 5b = c

-5k = 10

so we get

b = 2 + 5 = 7

k = 10/-5 = -2

c = k - 5b = 2 - 5(7)= -37

Answer: -37

Check:

(x^2 + 7x - 2)(x - 5) = x^3 + 2 x^2 - 37 x + 10\quad\checkmark




7 0
3 years ago
What is that value of (4-2)3-3x4
Over [174]

Answer:

21

Step-by-step explanation:

21

4 0
3 years ago
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What set of transitions are applied to parallelogram ABCD to create abcd?
Ronch [10]
Reflection, i am guessing
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3 years ago
A rectangular garden has a perimeter of 36 yards and a width of 8 yards.
xeze [42]

Answer:

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Step-by-step explanation:

We know we have a width of 8 yards and a perimeter of 36.

how I figured it out was:

36=(8*2) * (x*2)

8*2=16

36-16=10

So now we know the length and width.

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10*8=80.

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A map has a scale of 1:25 000.
VARVARA [1.3K]

Answer:

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Step-by-step explanation:

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3 years ago
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