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ExtremeBDS [4]
2 years ago
8

In the united states, 40% of the population has brown eyes. if 14 people are randomly selected, find the probability that at mos

t 11 of them have brown eyes.
Mathematics
1 answer:
leonid [27]2 years ago
4 0
I think the answer is 11/35
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X+y=5<br> x×y=6<br> Solve simultaneously with steps
igor_vitrenko [27]

Answer:

(3, 2), (2, 3)

Step-by-step explanation:

x + y = 5

xy = 6

Solve the first equation for x.

x = 5 - y

Substitute 5 - y for x in the second equation.

xy = 6

(5 - y)y = 6

5y - y² = 6

y² - 5y + 6 = 0

Factor.

(y - 2)(y - 3) = 0

y - 2 = 0  or y - 3 = 0

y = 2  or y = 3

Now substitute 2 for y in the first equation and solve for x.

x + y = 5

x + 2 = 5

x = 3

One solution is x = 3; y = 2, or (3, 2).

Now substitute 3 for y in the first equation and solve for x.

x + y = 5

x + 3 = 5

x = 2

Another solution is x = 2; y = 3, or (3, 2).

Answer: (3, 2), (2, 3)

7 0
1 year ago
True or False
kolezko [41]
True Hope this helps! ;D
5 0
3 years ago
Which of the following is a Composite Number?
adoni [48]
61 is the composite Number your welcome
5 0
3 years ago
Read 2 more answers
What will your balance be on an investment of $7000 at 2% for 4 years compounded annually.
e-lub [12.9K]
Your balance would be 35, I think
4 0
3 years ago
Is that anwer the correct one
kondor19780726 [428]
No

The exponent to the power 4 means multiply the base, which is 10 here, by itself 4 times

10 x 10 x 10 x 10 = 10,000

If it was 10 x 4, it would be 40, but we're dealing with exponents here. 

:)
6 0
2 years ago
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