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kaheart [24]
2 years ago
5

Question 7

Mathematics
1 answer:
elixir [45]2 years ago
8 0

Answer:

whts the question 86

Step-by-step explanation:

i dk

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In a group of 1500 people, 585 have blood type A, 165 have blood type B, 690 have blood type O, and 60 have blood type AB. What
deff fn [24]
When calculating probability you need to remember that probability is:
something that you are observing divided by total number of participants.
The number you get is relative value(has value between 0 and 1) and if you want to get it in percentage (more clearly) just multiply it with 100.

In this case we are observing blood type B persons. Number of them is 165.
Total number of persons is 1500. Therefore our calculation looks like this:

165/1500 = 0.11    or  the probability is 0.11*100=11%
6 0
3 years ago
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A race car driver must average at
tresset_1 [31]

Answer:

50

Step-by-step explanation:

So if the driver is going 50 on 1 lap. He must average out another 50 to make the 100

4 0
3 years ago
Please help me, I need this ASAP so please help me.
Sav [38]

Answer:

2.8 divided by 0.35 = 8 (years)

Step-by-step explanation:

4 0
3 years ago
IM BEGGING PLEASE HELP One angle of the triangle is 30% larger than the other and 36 ° smaller than the third. Find the angles o
Zigmanuir [339]

9514 1404 393

Answer:

  52°, 40°, 88°

Step-by-step explanation:

Let x represent "one angle". This is 30% larger than "the other", so we have ...

  x = "the other" × (1 +30%)

  x/1.30 = "the other"

If x is 36° smaller than the third, then the third is x+36.

__

The sum of the angles is 180°.

  x + x/1.3 + (x +36) = 180

  x(2 +1/1.3) = 144

  x = 144/(2 +1/1.3) = 52

  x/1.3 = 52/1.3 = 40

  x +36 = 88

The angles of the triangle are 52°, 40°, and 88°.

7 0
2 years ago
Melvin conducted a series of surveys asking political candidates about the number of constituents they mail literature to. Each
damaskus [11]

Answer:

361.09

Step-by-step explanation:

Explanation:

Calculate the standard error of the mean, SE, using this formula, where  is the standard deviation and n is the sample size.

For this situation, the sample size is 65, and the standard error of the mean is 44.8. Substitute these values into the formula, and solve for .

So the standard deviation is approximately 361.09.

5 0
3 years ago
Read 2 more answers
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