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s2008m [1.1K]
4 years ago
9

How do you get the answer? Show your work. Please!

Mathematics
1 answer:
katen-ka-za [31]4 years ago
4 0
Okie, hope you a new year!

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Please help me..thx!
GarryVolchara [31]

Answer:

x=25

Step-by-step explanation:

X=180-125-30

x=25

5 0
4 years ago
Find the value of p p^2x^2-12x+p+7 one of the zero is 3/2
wel

Answer:

  p = 2  or  p = -2 4/9

Step-by-step explanation:

We can substitute x=3/2 into the equation and solve for the values of p that make the result be zero.

  p^2(3/2)^2 -12(3/2) +p +7 = 0

  9/4p^2 -18 + p + 7 = 0 . . . . eliminate parentheses

  9p^2 +4p -44 = 0 . . . . . . simplify and multiply by 4

  (9p +22)(p -2) = 0 . . . . . factor

Values of p that make 3/2 be one of the zeros are ...

  p = -22/9, p = 2

_____

<em>Additional comment</em>

The <em>zero product rule</em> tells you a product will be zero if and only if a factor is zero. Hence the solutions to the quadratic are values of p that make the factors zero.

  9p +22 = 0   ⇒   9p = -22   ⇒   p = -22/9

  p -2 = 0   ⇒   p = 2

__

For p=2, the solution 3/2 has multiplicity 2. For p=-22/9, the other zero is x=123/242.

8 0
3 years ago
Solve pls brainliest
Pavel [41]

Answer:

-3

Step-by-step explanation:

using pemdas, we first divide -18 by 6 to get -3. next, we subtract -3 from -6: -6-(-3)=-6+3=-3

3 0
3 years ago
Read 2 more answers
5) An auto dealer offers a compact car, a midsize, a sport utility vehicle, and a light truck, each either in standard, custom,
8090 [49]
You just multiple how many types of vehicles and the property of the vehicle (standard, custom etc.) to get 12 ways
3 0
3 years ago
20% of what number is 1
vova2212 [387]

Answer:

5

Step-by-step explanation:

this is what I do, I see how many times 20 can go into 100, that is 5 times. and sense the mystery numbers 20% is 1, you can just leave it at 5. To double check your answer, count 1 5 times. 1 goes into 5 5 times, and 20 goes into 100 5 times.

5 0
3 years ago
Read 2 more answers
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