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11Alexandr11 [23.1K]
3 years ago
8

Help please i need help!

Mathematics
1 answer:
Bumek [7]3 years ago
8 0

Answer:

C

Step-by-step explanation:

in this form y=mx+b the m is the slope of the line and b is the y intercept. here the line intercepts the y axis at -4. the slope is rise over run or more formally found by (y2-y1)/(x2-x1) and here it is -4/3

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(4x-3)(2x^2-7x+1) what is the product of this please help!
goblinko [34]

Answer:

8x^{3}-34x^{2}+25x-3

Step-by-step explanation:

In order to solve this problem, lets take the two terms in the binomial (4x and -3) and, for each one, multiply them by each term in the trinomial (2x^2, -7x, and 1):

(4x-3)(2x^{2}-7x+1)

(4x*2x^{2})+(4x*-7x)+(4x*1)+(-3*2x^{2})+(-3*-7x)+(-3*1)

8x^{3}+(-28x^{2})+4x+(-6x^{2})+21x+(-3)\\

8x^{3}-28x^{2}+4x-6x^{2}+21x-3

Let's combine like terms to get our final answer:

8x^{3}-28x^{2}-6x^{2}+4x+21x-3

8x^{3}-34x^{2}+25x-3

6 0
3 years ago
A cube has a volume of 64 cm3. What is the length of a side of a cube
Reil [10]

Answer:

V=8cm

Step-by-step explanation:

V=a³

a=∛64


7 0
4 years ago
Negative 4.2x+31.5=negative 65.1
Rasek [7]
It is a linear simple equation for one unknown, lets solve it!
-4.2x + 31.5 = -65.1
we can easily get rid of decimals if we multiply the whole equation times 10:
<span>-42x + 315 = -651
</span>-42x = -651 - 315 = -966
x = 966/42
x = 23
that is the solution
7 0
3 years ago
Read 2 more answers
You roll a number cube twice. Find the probability of the events. Rolling an even number of 5.
lys-0071 [83]

Answer:

An even number and a 5. In the first roll you can get 2, 4 or 6, so you have 3 out of 6 options, the probability is 3/6 = 1/2, in the second roll you need you get a 5, the probability is 1/6.

I really hope this helps please give brainliest!!!!

5 0
3 years ago
I REALLY need answers, like if you see this PLEASE answer it
lana [24]
-4, -1, 1, 3, 3.9, 3.999,
3 0
3 years ago
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