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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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What are the solutions of the system 7x + 3y=-3 and y= -2*?
mafiozo [28]

Answer:

opt 4

Step-by-step explanation:

when x=0, 0+3y= -3, so y=-1    (0,-1) is solution

         when x=3 , 21+3y=-3,  3y= -3-21= -24

                                                    y= -8                  (3,-8) is also solution

8 0
3 years ago
Expain the diffents between numerical expressions and algebraic expressions
Oduvanchick [21]
<h2>Numerical expressions are numbers and signs, like below.  The following are some examples of numerical expressions, numerical expressions do not use letters. 4 + 20 – 7, (2 + 3) – 7, (6 × 2) ÷ 20, 5 ÷ (20 × 3)   An algebraic expression uses letters and it says you to find "x/y/z". Example; 4+20xy-7x, (2x+3) - 7y+20.</h2>
7 0
3 years ago
Please answer this. If I get it correct, I will mark you brainiest.
Airida [17]
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8 0
3 years ago
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Anastasia is grocery shopping with her father and wonders how much shopping is left to do. "We already have 6 0 % 60%60, percent
Molodets [167]
If there are 12 items adding up to 60%, we want to know how many items more it will take to equal 100% So set up this equation 12/x = .6 then solve for x. x=12/.6 x = 20 now that we know the total you can subtract 12 from 20 and get 8, that is the number of items left on the list.
8 0
3 years ago
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The velocity v of the flow of blood at a distance r from the central axis of an artery of radius R is given below, where k is th
andrew11 [14]
The average rate of blood flow is given by

\displaystyle\frac1{R-0}\int_0^Rv(r)\,\mathrm dr=\frac kR\int_0^R(R^2-r^2)\,\mathrm dr
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=\dfrac kR\left(R^3-\dfrac13R^3\right)
=\dfrac{2kR^2}3
3 0
3 years ago
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