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meriva
3 years ago
12

WILL GIVE BRAINLIEST

Mathematics
2 answers:
nikklg [1K]3 years ago
8 0

Answer:

the answer is c

Step-by-step explanation:

2+2=4-1 that three quik mathsss

ivolga24 [154]3 years ago
3 0

Answer:

<em><u> </u></em><em><u>Well</u></em><em><u> </u></em><em><u>think</u></em><em><u> </u></em><em><u>about</u></em><em><u> </u></em><em><u>it</u></em><em><u> </u></em>

<em><u>12</u></em><em><u> </u></em><em><u>rolls</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>alredy</u></em><em><u> </u></em><em><u>out</u></em><em><u> </u></em><em><u>science</u></em><em><u> </u></em><em><u>they</u></em><em><u> </u></em><em><u>are</u></em><em><u> </u></em><em><u>asking</u></em><em><u> </u></em><em><u>about</u></em><em><u> </u></em><em><u>16</u></em><em><u> </u></em><em><u>roles</u></em><em><u> </u></em><em><u>320</u></em><em><u> </u></em><em><u>divided</u></em><em><u> </u></em><em><u>by</u></em><em><u> </u></em><em><u>16</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>20</u></em><em><u> </u></em><em><u>.</u></em><em><u> </u></em><em><u>so</u></em><em><u> </u></em><em><u>,</u></em><em><u> </u></em><em><u>the</u></em><em><u> </u></em><em><u>server</u></em><em><u> </u></em><em><u>brought</u></em><em><u> </u></em><em><u>20</u></em><em><u> </u></em><em><u>cases</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>paper</u></em><em><u> </u></em><em><u>towel</u></em><em><u> </u></em><em><u>containing</u></em><em><u> </u></em><em><u>16</u></em><em><u> </u></em><em><u>rolls</u></em><em><u> </u></em><em><u>.</u></em>

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Having a problem solving for h in this algebra problem. A=1/2h(B+b); A=35, B=6, b=1 <br> So h=?
ivann1987 [24]
35 = 1/2h (6+1)
35 = 1/2 h + 7
28 = 1/2h
14 = 1h
14 = h
8 0
3 years ago
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Which one is it pleaseee helppppp!
ladessa [460]

Answer:

-2/1

Step-by-step explanation:

i hope this helps :)

5 0
3 years ago
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A state end-of-grade exam in American History is a multiple-choice test that has 50 questions with 4 answer choices for each que
Assoli18 [71]

Answer:

Q1) The student has a 0.01% probability of passing the test.

Q2) She has a 99.91% probability of passing in the test.

Step-by-step explanation:

For each question, there are only two possible outcomes. Either he gets it correct, or he gets it wrong. So we solve this problem using the binomial probability distribution.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

P(X = x) = C_{n,x}.\pi^{x}.(1-\pi)^{n-x}

In which C_{n,x} is the number of different combinatios of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

And \pi is the probability of X happening.

For this problem, we have that:

Question 1.

There are 50 questions, so n = 50.

The student is going to guess each question, so he has a \pi = \frac{1}{4} = 0.25 probability of getting it right.

He needs to get at least 25 question right.

So we need to find P(X \geq 25).

Using a binomial probability calculator, with n = 50 and \pi = 0.25 we get that P(X \geq 25) = 0.0001.

This means that the student has a 0.01% probability of passing the test.

Question 2.

Now, we need to find P(X \geq 25) with \pi = 0.70. So P(X \geq 25) = 0.9991

She has a 99.91% probability of passing in the test.

7 0
3 years ago
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Find the amount of interest payable if $400 is borrowed at 14% interest and is to be repaid in 6 months
Shtirlitz [24]

Answer:

The amount of interest payable after 6 months is $28.

Step-by-step explanation:

Here, the Principal amount  borrowed = $400

Rate of Interest  = 14%

Time = 6 months  = 6 / 12 years  = 0.5 year

Now, SIMPLE INTEREST = \frac{P \times R \times T}{100}

So, here SI  = SI = \frac{400 \times 14 \times 0.5}{100}   =  28

or, SI = $28

Hence, the amount of interest payable after 6 months is $28.

4 0
3 years ago
24 is 31.25% of what number? Prove your answer in the show your workbox.
FinnZ [79.3K]

Answer:

76.8

Step-by-step explanation:

1. We assume, that the number 31.25 is 100% - because it's the output value of the task.

2. We assume, that x is the value we are looking for.

3. If 100% equals 31.25, so we can write it down as 100%=31.25.

4. We know, that x% equals 24 of the output value, so we can write it down as x%=24.

5. Now we have two simple equations:

1) 100%=31.25

2) x%=24

where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:

100%/x%=31.25/24

6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for 24 is what percent of 31.25

100%/x%=31.25/24

(100/x)*x=(31.25/24)*x       - we multiply both sides of the equation by x

100=1.3020833333333*x       - we divide both sides of the equation by (1.3020833333333) to get x

100/1.3020833333333=x

76.8=x

x=76.8

now we have:

24 is 76.8% of 31.25

6 0
3 years ago
Read 2 more answers
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