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Igoryamba
3 years ago
6

WILL GIVE BRAINLIEST

Mathematics
2 answers:
a_sh-v [17]3 years ago
7 0

Answer:

Step-by-step explanation:

emmainna [20.7K]3 years ago
6 0

Answer: The slope is 3, and the y-intercept is 9.

Step-by-step explanation:

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Fifty people were surveyed about their preference between chocolate and vanilla cake. The following two
GuDViN [60]

Answer:

TOTAL

Male

18

6

4

28

Female

15

5

2

22

TOTAL

33

November

6

50

In This sample, are the events "female" and "prefers chocolate" mutually exclusive

Step-by-step explanation:

7 0
3 years ago
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Find the zeros of the function.<br><br> f(x) = 9x2 + 6x - 8
jeyben [28]
Just set it equal to zero and solve using the quadratic equation.
7 0
3 years ago
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1. Sarah and Maya both need notebooks and pencils. The equation that represents Sarah's
STALIN [3.7K]

Step-by-step explanation:

We have y = 13 - 3x and y = 7 - x.

=> 13 - 3x = 7 - x

=> 2x = 6, x = 3.

Then y = 7 - (3), y = 4.

Hence the price of a pencil is $3 and the price of a notebook is $4. (C)

8 0
3 years ago
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Find the degree measure of each triangle?
Monica [59]
I don’t know but I hope you have a good day
3 0
2 years ago
I need help!! #28 #29<br> Please!!!!!
Marta_Voda [28]

Answer:

Step-by-step explanation:

We would apply the formula for binomial distribution. It is expressed as

P(x = r) = nCr × q^(n - r) × p^r

Where

n = number of samples

p = probability of success.

q = probability of failure

From the information given,

n = 12

p = 90% = 90/100 = 0.9

q = 1 - p = 1 - 0.9 = 0.1

28) Probability that at least 10 are ripe within 4 days is expressed as

P(x ≥ 10) = P(x = 10) + P(x = 11) + P(x = 12)

P(x = 10) = 12C10 × 0.1^(12 - 10) × 0.9^10 = 0.23

P(x = 11) = 12C11 × 0.1^(12 - 11) × 0.9^11 = 0.38

P(x = 12) = 12C12 × 0.1^(12 - 12) × 0.9^12 = 0.28

P(x ≥ 10) = 0.23 + 0.38 + 0.28 = 0.89

29) Probability that no more than 9 are ripe within 4 days is expressed as

P(x ≤ 9) = 1 - P(x ≥ 10)

P(x ≤ 9) = 1 - 0.89 = 0.11

4 0
3 years ago
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