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ivolga24 [154]
3 years ago
6

Workout the value for 3x^2-5y

Mathematics
1 answer:
ale4655 [162]3 years ago
6 0
Remember to do PEMDAS so your answer is not correct, since you multiplied before doing the parentheses/exponents.

Explanation:
3(3)^2- 5(4)
= 3(9) - 5(4)
= 27 - 20 = 7
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Help me plz i can't figure this out
zzz [600]

Answer:

C

Step-by-step explanation:

For C the y axis changes, add 5 to -3 and you get 2. Therefore 5 units away!

Hope this helps, good luck! :)

6 0
3 years ago
Help me to solve this
antoniya [11.8K]
The answer is 2cm

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4 0
3 years ago
The taste test for PTC (phenylthiourea) is a common class demonstration in the study of genetics. It is known that 70% of the Am
AysviL [449]

Answer:

The variance for the number of tasters is 4.2

Step-by-step explanation:

For each person, there are only two possible outcomes. Either they are tasters, or they are not. The probability of a person being a taster is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

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The variance of the binomial distribution is:

V(X) = np(1-p)

It is known that 70% of the American people are "tasters" with the rest are "non-tasters". Suppose a genetics class of size 20

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7 0
3 years ago
The volume of the prism shown is 84 cubic yards. What is the Height of the prism
Salsk061 [2.6K]

Answer:

4 yd

Step-by-step explanation:

If l×w×h=v, then v÷l÷w=h

84÷7÷4=h

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The height of the prism is 4 yards.

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4 years ago
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3 years ago
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