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anygoal [31]
3 years ago
9

Help me please both questions please ❤️

Mathematics
1 answer:
krok68 [10]3 years ago
8 0
Search up what a cross section is and then you will be able to answer the question
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Tell whether x = 0 is a solution of 7x - 6 3 4x +9.
nadezda [96]

Answer:

look it up on google

Step-by-step explanation:

4 0
3 years ago
Brad make 3 cups of pancake batter. If he needs 3/4 cup of batter to make 4 pancakes, how many pancakes can Brad make
Oduvanchick [21]

Answer:

13

Step-by-step explanation:

i hope this helps please give brainliest


6 0
3 years ago
Joy earned 13 points in her first round and -21 points in her second turn. What was her score after 2 turns?
fomenos

Answer:

-8

Step-by-step explanation:

Hope this helps!

5 0
3 years ago
If you roll two number cubes 100 times, about how many times can you expect the product to be a multiple of 6? (Example 6, 12, 1
KonstantinChe [14]

Using the binomial distribution, it is found that you could expect the product to be a multiple of 6 about 39 times.

For each trial, there are only two possible outcomes, either the result is a multiple of 6, or it is not. The result of each trial is independent of any other trial, hence the <em>binomial distribution</em> is used to solve this question.

<h3>What is the binomial probability distribution?</h3>

It is the probability of exactly <u>x successes on n repeated trials, with p probability </u>of a success on each trial.

The expected value of the binomial distribution is:

E(X) = np

In this problem:

  • When two cubes are tossed and their products multiplied, there are 36 possible outcomes. Of those, (1,6), (2,3), (2,6), (3,4), (3,6), (4,3), (4,6), (5,6), (6,1), (6,2), (6,3), (6,4), (6,5), (6,6), that is, 14 result in a multiplication multiple of 6, hence p = 14/36.
  • There will be 100 trials, hence n = 100.

Then, the <em>expected value</em> is given by:

E(X) = np = 100 \times \frac{14}{36} = 38.89

Rounding up, you could expect the product to be a multiple of 6 about 39 times.

More can be learned about the binomial distribution at brainly.com/question/24863377

7 0
2 years ago
Laurent invested some money in a bank account.
zavuch27 [327]

Answer:

1.04

Step-by-step explanation:

"Complete the following sentence about the yearly rate of change in the amount of money in the account.  Round your answer to two decimal places.

Every year, the amount of money in the account increases by a factor of _."

Mdecade(t) = 4900 (1.5)^t, where t is in decades.

One year is 0.1 decades, so M increases by a factor of:

1.5^0.1 = 1.04

4 0
3 years ago
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