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Debora [2.8K]
3 years ago
11

Which function has zeros at x = −2 and x = 5?

Mathematics
2 answers:
Sav [38]3 years ago
7 0

Answer:

D:f(x) = x2 - 3x -10

Step-by-step explanation:

jeyben [28]3 years ago
3 0

Answer:

D: f(x) = x2 - 3x -10

Step-by-step explanation:

Doing it on EDG right now!!

Good luck :3

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Consider a large shipment of 400 refrigerators, of which 40 have defective compressors. If X is the number among 15 randomly sel
Vlad [161]

Answer:

The required probability is 0.94

Step-by-step explanation:

Consider the provided information.

There are 400 refrigerators, of which 40 have defective compressors.

Therefore N = 400 and X = 40

The probability of defective compressors is:

\frac{40}{400}=0.10

It is given that If X is the number among 15 randomly selected refrigerators that have defective compressors,

That means n=15

Apply the probability density function.

P(X=x)=^nC_xp^x(1-p)^{n-x}

We need to find P(X ≤ 3)

P(X\leq3) =P(X=0)+P(X=1)+P(X=2)+P(X=3)\\P(X\leq3) =\frac{15!}{15!}(0.1)^0(1-0.1)^{15}+\frac{15!}{14!}(0.1)^1(1-0.1)^{14}+\frac{15!}{13!2!}(0.1)^2(1-0.1)^{13}+\frac{15!}{12!3!}(0.1)^3(1-0.1)^{12}\\

P(X\leq3) =0.944444369992\approx 0.94

Hence, the required probability is 0.94

4 0
3 years ago
Forty-seven is less than or equal to five times three,added to nine
irina1246 [14]

Answer:

You need to do 5 times 3 for 15 a d then add 9 to get 24, so 47 is not less than or equal to 5 times 3 add 9

Step-by-step explanation:

8 0
3 years ago
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You randomly draw a marble from a bag, record its color, and then replace it. You draw a red marble
andre [41]
Make it a fraction
7/25 * 4/4 = 28/100
0.28 = 28 percent

There is a 28 percent chance the next marble will be red
5 0
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Name a pair of opposite rays whose end point is b
Neko [114]

Answer:

Your answer would be G, since point G is opposite of point B, and is a ray.

Step-by-step explanation:


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What is 3/4 divided by 1/3
mash [69]

Answer:

2.25

Step-by-step explanation:

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3 years ago
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