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Andrei [34K]
3 years ago
10

I'd really appreciate it if someone could help me with this question? I don't know why, but I'm sorta struggling with it.

Mathematics
2 answers:
MrRa [10]3 years ago
8 0
                          5x        -6
-3x^3 + 2x^2                                      (Note how I changed the signs.)
------------------------------------ 
-3x^3  + 2x^2 + 5x - 6          (this is the "difference" that you wanted.

aivan3 [116]3 years ago
3 0
-3x^3+2x^2+5x-6<span><span>

</span></span>
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I need the answer ASAP
Tanya [424]

Answer:

the are is 14

brainliest??

Step-by-step explanation:

6 0
3 years ago
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Suppose that 45% of people have dogs. If two people are randomly chosen, what is the probability that they both have a dog
mylen [45]

Answer:

P(Dogs) = 0.2025

Step-by-step explanation:

Given

Proportion, p = 45\%

Required

Probability of two people having dog

First, we have to convert the given parameter to decimal

p = \frac{45}{100}

p = 0.45

Let P(Dogs) represent the required probability;

This is calculated as thus;

<em>P(Dogs) = Probability of first person having a dog * Probability of second person having a dog</em>

<em />

P(Dogs) = p * p

P(Dogs) = 0.45 * 0.45

P(Dogs) = 0.45^2

P(Dogs) = 0.2025

<em>Hence, the probability of 2 people having a dog is </em>P(Dogs) = 0.2025<em />

4 0
3 years ago
If you good at math help please!
olchik [2.2K]

Answer:

3 because your domain should not repeat

5 0
3 years ago
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I need the steps to this, please. It says solve for x. Each figure is a parallelogram. Show your work.
Trava [24]
With any parallelogram, the diagonals bisect each other. This is another way of saying that they cut each other in half.

FH is one diagonal that is split into two equal pieces by the other diagonal EG.

The two parts of FH (KH and KF) are congruent to each other, so KH = KF. They combine back to FH


By the segment addition postulate
KH + KF = FH
KH + KH = FH .... KF has been replaced with KH (works because KF = KH)
2*KH = FH

Now use substitution
2*KH = FH
2*15 = FH .... replace KH with 15 (since KH = 15)
2*15 = 4x-2 ... replace FH with 4x-2 (since FH = 4x-2)

and solve for x
2*15 = 4x-2
30 = 4x-2
30+2 = 4x-2+2 ... add 2 to both sides
32 = 4x
4x = 32
4x/4 = 32/4 ... divide both sides by 4
x = 8

----------------------------------------
----------------------------------------

Answer: x = 8

5 0
3 years ago
Solve for the unknown: <br><br> 2z - (z-1) = 5z - 15
faltersainse [42]
Z equals 4. See attached

8 0
3 years ago
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