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umka2103 [35]
3 years ago
5

Please help! :) What is the value of Fraction 1 over 2x3 + 3.4y when x = 3 and y = 4?

Mathematics
1 answer:
Elan Coil [88]3 years ago
6 0

Answer:

31.6

Step-by-step explanation:

2(3)(3) + 3.4(4)

multiply first.

first half of the equation you have 3x3=9 x2= 18

second half 3.4(4) = 13.6

18+13.6=31.6

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In a genetics experiment on peas, one sample of offspring contained green peas and yellow peas. Based on those results, estimate
pashok25 [27]

Answer:

The probability of getting an offspring pea that is green is is 0.733

YES, the probability is reasonably close to the expected value of 3/4 (0.750)

Step-by-step explanation:

The formula for calculating the probability of an event is;

P = Favorable Outcome / Sample space

Let A be an event of getting an offspring green peas, B be an event of getting an offspring yellow peas and N be the total number of peas.

number of green peas in an offspring are 350

number of yellow peas in an offspring are 127

total number of peas are 477    

So in the genetic experiment, the number of times event A occurs is 350 and the number times event B occurs is 127

Now the probability of getting an offspring pea that is green is

P = number of green peas / total number of peas

p = n(A)/N

p = 350/477

p = 0.733

So YES, the probability is reasonably close to 3/4 ( 0.750 )

The probability of getting an offspring pea that is green is is 0.733.

YES, the probability is reasonably close to the expected value of 3/4 (0.750)

5 0
3 years ago
Write two fractions that have the same value as 1/2.Explain how you know they have the same value
BaLLatris [955]

Answer:

2/4 3/6  and more

Step-by-step explanation:

the reason is that for and example 2/4 if you divide both the numerator (top) and the denominator (bottom) by 2 it equals 1/2. So 2 divided by 2 is 1 and 4 divided by 2 is 2 . Another example is 3/6 because 3 divided by 3 is 1 and 6 divided 3 is 2.

7 0
3 years ago
Which correctly describes how the graph of the inequality 6y − 3x > 9 is shaded? Above the solid line Below the solid line Ab
faltersainse [42]

the answer is Above the dashed line .


5 0
3 years ago
1 matrix question help (with picture)
Dominik [7]

Answer:

  a = 9/2

Step-by-step explanation:

In order for the equation to be true, the value of the scalar multiplier must be ...

  15/3 = -10/-2 = 35/7 = 5

So, you're solving ...

  (2/3)a + 2 = 5

  (2/3)a = 3 . . . . . . subtract 2

  a = 9/2 . . . . . . . . multiply by 3/2

3 0
3 years ago
What is the surface area of the sphere below?
dexar [7]

Answer:

A =4πr2

Step-by-step explanation:

8 0
3 years ago
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