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3 years ago

Can anyone help me with this???

Mathematics

1 answer:

kicyunya [14]3 years ago

6 0

Angle 1 and 3 are equals and 2 and 4 are the same

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Which one is bigger?<br>|-4| □ |-6|

Genrish500 [490]

Answer:

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Step-by-step explanation:

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3 0

2 years ago

What is the volume of the cone to the nearest tenth?

NikAS [45]

$V=\dfrac{1}{3}\pi r^2H\\\\2r=22m\to r=11m;\ H=12m\\\\V=\dfrac{1}{3}\pi\cdot11^2\cdot12=\pi\cdot121\cdot4=484\pi\ (m^3)\\\\V\approx484\cdot3.14=1,519.76\approx1,519.8\ (m^3)\\\\Answer:1,520.5\ cm^3$

8 0

3 years ago

About 1/4 of all adults in the United States have type O+ blood. If three randomly selected adults donate blood, find the probab

valina [46]

Answer:

a) 0.0156

b) 0.4219

c) 0.1406

Step-by-step explanation:

We are given the following information:

We treat adult having type O+ blood as a success.

P(Adult have type O+ blood) = 0.25

Then the number of adults follows a binomial distribution, where

$P(X=x) = \binom{n}{x}.p^x.(1-p)^{n-x}$

where n is the total number of observations, x is the number of success, p is the probability of success.

Now, we are given n = 3

a) All three are type O+

$P(x =3)\\= \binom{3}{3}(0.25)^3(1-0.25)^0\\= 0.0156$

b) None of them is type O+

$P(x =0)\\= \binom{3}{0}(0.25)^0(1-0.25)^3\\= 0.4219$

c) Two out of the three are type O

$P(x =2)\\= \binom{3}{2}(0.25)^2(1-0.25)^1\\= 0.1406$

6 0

3 years ago

Please help me with this-

sasho [114]

Answer:

$37.05

Step-by-step explanation:

65% of $57

0.65 * 57 = $37.05

7 0

3 years ago

Plsssss help !!!!!! At certain traffic light 10% of the cars passed through have four wheel drive what percentage do not have fo

VMariaS [17]

Answer:

90%

Step-by-step explanation:

If you are going to find out the percent of the car that do not have 4 wheel drive, you take the total amount of car that passed though the stoplight which is 100% . You take this 100% and then subtract the 10% to get the final answer 90%. 90% of the cars do not have 4 wheel drive.

6 0

3 years ago