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Rainbow [258]
3 years ago
7

Factor the polynomial completely using the

Mathematics
2 answers:
ElenaW [278]3 years ago
4 0

Answer:

(-6-2√3,0)(-6+2√3,0)

if im not mistaken

DerKrebs [107]3 years ago
4 0

Answer:(x+12)(x+12)

Step-by-step explanation:

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How to factor 25x^2 - 81= 0
dalvyx [7]
Your question is a difference of squares. both terms that need to be factored are squared. to solve take the square root of each put into two terms one of addition and one of subtraction.

anwser= (5x-9)(5x+9)

the reason this works is because when you foil you get
25x²-45x+45x-81 
the middle terms cancel revealing
25x²-81
4 0
3 years ago
Find the measurement of each segment.
zavuch27 [327]
To find the measurement of PS, you would add the lengths of PQ and PS. 18.4+4.7=23.1. The answer is 23.1 cm
6 0
3 years ago
What number is 25% of 400 please show work thank you
ANEK [815]

Answer:

100

Step-by-step explanation:

well, you can just use a calculator, or your mind if that's possible, to solve this.

at least, what i think you're asking.

400 × 0.25 = 100.

this one is extra easy because you should know that 25% is a quarter, and 400 can just be divided by 4 to get your answer.

6 0
2 years ago
Find the area of the figure. (Sides meet at right angles.)
Dafna11 [192]
The area is 70in^2 because you find the area of the square without the missing piece then subtract area of missing piece from total
5 0
3 years ago
The temperature at any random location in a kiln used in the manufacture of bricks is normally distributed with a mean of 1000 a
NeX [460]

Answer:

b. 2.28%.

Step-by-step explanation:

Mean temperatue (μ) = 1000°F

Standard Deviation (σ) = 50 °F

For any temperature value, X, the z-score is given by:

z=\frac{X-\mu}{\sigma}

For X= 900°F

z=\frac{900-1000}{50}\\z=-2.0

A z-score of -2.0 corresponds to the 2.28-th percentile of a normal distribution. Therefore, the probability that X<900 is:

P(X

7 0
3 years ago
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