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likoan [24]
3 years ago
10

4.82 +3.2 + 5z -3.1 - 2z+z" PLZ HELP I WILL MARK BRAILIEST IF CORRECT

Mathematics
1 answer:
tankabanditka [31]3 years ago
3 0

Answer:

4.92+4z

Step-by-step explanation:

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A multiple-choice test in which each question has 4 choices only one of which is correct. Assume that 9 questions are answered b
yaroslaw [1]

Answer:

Therefore, the probability is P=0.0084.

Step-by-step explanation:

We know that  a multiple-choice test in which each question has 4 choices only one of which is correct. Assume that 9 questions are answered by guessing randomly.

Because we have 4 choices only one of which is correct, we get that p=0.25 and q=0.75.

We calculate  the probability of getting exactly 6 correct answers.

n=9 and k=6.

P=C_k^n\cdot p^k\cdot q^{n-k}\\\\P=C_6^9\cdot 0.25^6\cdot 0.75^3\\\\P=84\cdot 0.0001\\\\P=0.0084

Therefore, the probability is P=0.0084.

7 0
3 years ago
Let f f and g g be functions such that f(0)=7,g(0)=5, f(0)=7,g(0)=5, f ′ (0)=8, g ′ (0)=6. f′(0)=8,g′(0)=6. Find h ′ (0) h′(0) f
Anettt [7]

Answer:

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Step-by-step explanation:

h(x) = g(x)f(x), meaning

h'(x) = g'(x)f(x) + f'(x)g(x)

h'(0) = g'(0)f(0) + f'(0)g(0)

h'(0) = (6)(7) + (8)(5) = 42 + 40 = 82

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3 years ago
A car dealership show 216 cars in four months at what rate did the dealership sell cars in
yaroslaw [1]

Answer:

216÷4 = 54

Step-by-step explanation:

3 0
3 years ago
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3 0
3 years ago
HELP ASAP...
Aleks04 [339]

Answer:

Unfortunately, we can't calculate how much it would raise your grade with the information given. We'd have to know what category the points are going into, how many points that category already has, how many it has in total, and how much of the grade that category accounts for. Sorry! :c

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