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marusya05 [52]
4 years ago
12

I need help on all there ik I'm dumb

Mathematics
1 answer:
algol [13]4 years ago
7 0

YOU ARE NOT DUMB THIS CAN ACTUALLY BE TOUGH SO DO NOT EVER SAY YOU ARE DUMB.

71. You need to find two numbers that when multiplied would equal to 800 something. (I used a calculator so it was easier for me)

I found that 98 times 9 would equal to 882. When you look at the problem and plug in the missing numbers to it, you can see that this works.

73. Using the exact same technique as for the 1st problem. You still need two numbers that when multiplied would equal to 480 something

So I found that 61 times 08 is 488. When you look at the missing numbers this is a possible answer.

Then now you need to find a number that is something _, 0_0 added to 488 with the sum of _,53_

So I found that 1,050 plus 488 would equal to 1,538. Again if you look at the missing numbers you can see that this works.

75. I cannot really find any number that would multiply with 49 to get 4_8 so I am so sorry. I will keep trying to find a number that would do the trick but I hope that answering the first two questions really helped you out.

Have a great day and remember that you are not dumb, you simply did not know the answer and that's okay. It always happen. Hope that this helped you hon :)

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A sample of 20 account balances of a credit company showed an average balance of $1,170 and a standard deviation of $125. You wa
Lady_Fox [76]

Answer:

The P-value for this test is P=0.2415.

Step-by-step explanation:

We have to perform an hypothesis testing on the mean of alla account balances.

The claim is that the mean of all account balances is significantly greater than $1,150.

Then, the null and alternative hypothesis are:

H_0: \mu=1150\\\\H_a: \mu>1150

The sample size is n=20, with a sample mean is 110 and standard deviation is 125.

We can calculate the t-statistic as:

t=\dfrac{\bar x-\mu}{s/\sqrt{n}}=\dfrac{1170-1150}{125/\sqrt{20}}=\dfrac{20}{27.95}=0.7156

The degrees of freedom fot this test are:

df=n-1=20-1=19

For this one-tailed test and 19 degrees of freedom, the P-value is:

P-value=P(t>0.7156)=0.2415

8 0
4 years ago
Simplify (18x - 6/9x5) divided by (15x + 5/21x2)
iogann1982 [59]

Answer:

I'm not really sure how to write this but its

14(27- x(to the fourth power)) over 5(63+x)

6 0
3 years ago
Rebecca has 6 yards of ribbon. It takes 3/8 yard to wrap one package. How may packages can Rebecca wrap? I need help this is due
mafiozo [28]
6 x 3/8 = 18/8 18 divied by 8 = 21 or 2  :D
7 0
3 years ago
The radius of a circle P measures half the radius of circle Q. The diameter of circle Q measures 6 meters. What is the length of
m_a_m_a [10]

Answer:

  3 meters

Step-by-step explanation:

We are told that ...

  the radius of circle P is half the radius of circle Q.

The same relation applies to any corresponding linear measures of these circles, so we can also say ...

  the diameter of circle P is half the diameter of circle Q

  the diameter of circle P is half of 6 meters, so is 3 meters

3 0
3 years ago
Read 2 more answers
You are currently paying rent every year for your restaurant. You still have a contract that will last 2 more years. Starting to
Andreas93 [3]

The amount to be paid in rent after 2 years if the rent as of now is $3,000 will be; $3,213.675

The question allows that we choose the amount being paid as rent as of now.

Let the rent paid as of now be; $3,000

In essence; after the first year; the amount increases by 3.5% to become;

  • 1.035 × $3,000

  • = $3,105.

After the second year; we have;

  • 1.035 × $3,105

  • = $3,213.675

Ultimately; the amount to be paid after 2 years will be; $3,213.675.

When given the opportunity to change rent contracts;

  • A situation that will be beneficial would be a 3.5% reduction in rent per year
  • A situation that will not be beneficial would be a 7% increase in rent per year.

Read more;

brainly.com/question/24712879

8 0
3 years ago
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