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Akimi4 [234]
3 years ago
7

Of the 4 people who have signed up for a genetics lecture, 2 have green eyes. Considering this data, how many of the next 10 peo

ple to sign up should you expect to be green-eyed?
Mathematics
1 answer:
Feliz [49]3 years ago
5 0

Answer: 5

Step-by-step explanation:

2 of the first 4 people had green eyes which gives us a percentage of 50% so if we apply the same percentage to the next 10 people 5 of them should have green eyes.

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Three less than the product of a number and two increased by five
natima [27]
The expression can be written as:

(2x + 5)  - 3

or:

5 + (2x - 3)
________________________
and simplified to: "2x + 2" .
_________________________

4 0
3 years ago
Leo checks his pantry to see how much cat food he has. He finds a bag of Paw Picnic cat food with 3 cups left in it. Leo feeds h
erik [133]
9 days- one cup has 3 1/3 cups in it
8 0
2 years ago
Log 15 (2x − 2) = log 15 (x+9)
notka56 [123]

Answer:

x=11

Step-by-step explanation:

Given the equation

\log_{15}(2x-2)=\log_{15}(x+9)

Note that

2x-2>0\\ \\2x>2\\ \\x>1

and

x+9>0\\ \\x>-9

Combined, x>1

Solve the equation:

2x-2= x+9\\ \\2x-x=9+2\\ \\x=11

Since 11>1, this is the solution to the equation.

5 0
3 years ago
Find the area of the shaded region. ​
densk [106]

[1]

A1 = (h (a + b)) / 2

A1 = (21 (17 + 32)) / 2

A1 = (21 x 49) / 2

A1 = 1,029 / 2

A1 = 514.5 mm²

[2]

A2 = (b x h) / 2

A2 = (11 x 9) / 2

A2 = 99 / 2

A2 = 49.5 mm²

[3]

The area of the shaded region =

A1 - A2 =

514.5 mm² - 49.5 mm² =

465 mm²

The answer is 465 mm².

4 0
3 years ago
What happens to the Law of Cosines if the known angle is 90 degrees?
poizon [28]

Answer:

See below.

Step-by-step explanation:

It transforms  to the Pythagoras theorem.

c^2  = a^2 + b^2 - 2ab cos C

If C = 90,  cos C = zero so the last term disappears.

c^2  = a^2 + b^2 - 2ab * 0

c^2 = a^2 + b^2.

8 0
3 years ago
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