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sashaice [31]
2 years ago
12

PLEEASE HELP FASSSTTT

Mathematics
2 answers:
Bas_tet [7]2 years ago
6 0

Answer:

A. 20/21

Step-by-step explanation:

In order to find this you must divided 16/21 by 4/5

Or 16/21 * 5/4 which is 80/84

After reducing you get 20/21

shutvik [7]2 years ago
4 0
A. 20/21 foot
In order to get this answer you must divide 16/21 by 4/5.
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The lengths of pregnancies in a small rural village are normally distributed with a mean of 264.1 days and a standard deviation
KiRa [710]

Answer:

The range of the 95% data (X) =  238.3 days <  X < 289.9 days

Step-by-step explanation:

Given;

mean of the normal distribution, m = 264.1 days

standard deviation, d = 12.9 days

between two standard deviation below and above the mean is 96% of all the data.

two standard deviation below the mean = m - 2d

                                                                   = 264.1 - 2(12.9)

                                                                   = 238.3 days

two standard deviation above the mean = m + 2d

                                                                    = 264.1 + 2(12.9)

                                                                     = 289.9 days

The middle of the 95% of most pregnancies would be found in the following range;

238.3 days <  X < 289.9 days

5 0
2 years ago
Four ounces of a certain perfume cost 20$. How much would six ounces of perfume cost?
cupoosta [38]

Answer:

30

Step-by-step explanation:

you divide 20 by 4 then multiply that by 6

7 0
3 years ago
What is the ratio from 18 to 16
Irina18 [472]

Answer: 8:9

Step-by-step explanation: Two find this answer, you need to see what will be the greatest number they can divide by (greatest common divider), it needs to be the same number for both 18 and 16. What number can go into both numbers, and is the greatest number? The answer is two, now you divide 2 by 18 and 16, so you'll get 8:9.

Hope this helps have a BLESSED and wonderful day! :-)

-Cutiepatutie

4 0
3 years ago
845/676×100% what is the Ans
liraira [26]
845/676=1.25(100)=125
5 0
3 years ago
Marty was renting a boat and wanted to get the best plan. Rental plan A charges a fee of
harina [27]

The system of equations that represent the situation are as follows;

  • C = $50 + $25h

  • C = $10 + $35h.

According to the question;

  • Mary was trying to rent a boat and wanted to get the best plan.

  • Let C = Charged fees

  • and h = hours of rental

For Plan A:

  • Rental plan A charges a fee of
  • $50 plus $25 per hour.

  • C = $50 + $25h

For Plan B:

  • Plan B charges a fee of $10 plus $35 per hour.

  • C = $10 + $35h.

Read more on rental charges;

brainly.com/question/1503197

6 0
2 years ago
Read 2 more answers
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