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geniusboy [140]
2 years ago
10

I need answer?????????????????????

Mathematics
1 answer:
aleksklad [387]2 years ago
5 0
The answer should be B! Hope this helped :)
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35 lbs of apples cost $420. <br> How much would 6 lbs cost?
Ymorist [56]

Answer:

$72

Step-by-step explanation:

one lb costs $12 so just multiply it by 6

3 0
3 years ago
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When multiplying 4.73 by 2.1 how many decimal places will the product have
hichkok12 [17]

it would be 9.93300

so 3 decimal places because the zeros don't count


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3 years ago
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Select all the expressions that have a value of 40 when x = 10.8.
natta225 [31]

Answer:

Step-by-step explanation:

B. =16x+288x

C. = 1 18 x2+33.52

D.

1752

x

−

162

29

=

−162

29

x+1752

x

=

6(−27x+8468)

29x

=

−162x+50808

29x

F.=

1

12

x+36

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3 years ago
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Solve the system of equations -4x-2y=30−4x−2y=30 and -x+y=6−x+y=6 by combining the equations.elimination
oee [108]

Answer:

215.00

Step-by-step explanation:

5 0
3 years ago
You take a quiz with 6 multiple choice questions. After you studied your estimated that you would have about an 80 % chance of g
Arada [10]

Answer:

1.15%

Step-by-step explanation:

To get the probability of m  independent events you multiply the individual probability of each event. In this case we have m independent events, each one with the same probability, therefore:

p^{m}

0.8^{20} = 1.15\%

This is a particlar scenario of binomial distribution problem. So the binomial distribution questions are about the number of success of m independent events, where every individual event has the same p probability. In the question we have 20 events and each event has a probability of 80%. The binomial distribution formula is:

\binom{n}{k} * p^{k} * (1-p)^{n-k}

n is the number of events

k is the number of success

p is the probability of each individual event

\binom{n}{k} is the binomial coefficient

the binomial coefficient allows to find the subsets of k elements in a set of n elements.  In this case there is only one subset possible since the only way to get 20 of 20 correct questions is to getting right all questions (for getting 19 of 20 questions there are many ways, for example getting the first question wrong and all the other questions right, or getting second questions wrong and all the other questions right, etc).

\binom{n}{k} = \frac{n!}{k!(n-k)!}

therefore, for this questions we have:

\frac{20!}{20!(20-20)!} * 0.8^{20} * (1-0.8)^{0} = 1.15\%

4 0
2 years ago
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