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saul85 [17]
3 years ago
10

Is 3x+4y-7 an algebraic expression?

Mathematics
2 answers:
Maru [420]3 years ago
8 0
Yes!

Algebraic expressions are combinations of variables , numbers, and at least one arithmetic operation. and each expression i made up of terms. A term can be a signed number, a variable, or a constant multiplied by a variable or variables.
erma4kov [3.2K]3 years ago
7 0

Answer:

Step-by-step explanation:

yes it is

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Wjat is the answer for this equation ​
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3 years ago
One parent is a cystic fibrosis carrier, and the other has
Marysya12 [62]

Answer:

A - 0%

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D- 100%

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Cystic fibrosis is inherited in an autosomal recessive form, meaning that a person has to inherit two abnormal genes for the disease to manifest. In the case of this question, one parent is a gene carrier, so his genotype is Aa, while the other does not have the cystic fibrosis gene, so AA.

Performing the cross of Aa x AA, we can see that:

a.) The probability of a child would have cystic fibrosis is 0%, since the disease is recessive and to be affected it should receive a recessive gene from each parent.

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c.) The probability of a child would not have cystic fibrosis and is not a carrier is 50%, as 50% of the child's genotype is AA.

d.) The probability of a child would be healthy is 100%, as of all possible phenotypes none is affected.

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