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valentinak56 [21]
3 years ago
7

Solve for x. x2≥−4 A.) x≤ -8 B.) x≥ -2 C.)x≥-2 D.) x≥-9

Mathematics
1 answer:
Artemon [7]3 years ago
4 0

Answer:

x   ≥   −2

Step-by-step explanation:

This problem deals with inequalitites.

The expression is

x*2   ≥  −4

If we divide by 2 each side of the expression, we get

x* 2 / 2   ≥   −4 / 2

x  ≥  −2

Which appears in your answer list

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Assume that long earlobes in humans are an autosomal dominant trait that exhibits 30% penetrance. A person who is heterozygous f
Bess [88]

Answer:

0.75

Step-by-step explanation:

Autosomal dominant: A pattern of inheritance in which an affected individual has one copy of a mutant gene and one normal gene on a pair of autosomal chromosomes

Heterozygous just means that a person has two different versions of the gene (one inherited from one parent, and the other from the other parent).

Being homozygous for a particular gene means you inherited two identical versions.

The trait is autosomal dominant so the characters pass into the next generation in a large ratio. the person who is heterozygous for the character have two type of allele which represents the trait for long earlobes and also for short earlobe.So a person is paired with homozygous individuals who have pure character for short earlobes.The percentage of their first child with long earlobes would be 75 percent. This is due to the dominance of the character in a generation.

3 0
3 years ago
Please help!!
bogdanovich [222]

Answer:

Rent in 10th year = $5345.90

Step-by-step explanation:

Rent of apartment during first year = $1800 per month

But growth in rent with 11.5% per year will be represented by the exponential function,

Rent in 't'th year = \text{Initial rent}(1+\frac{\text{Growth rate}}{100})^{\text{time}}

                          = 1800(1+\frac{11.5}{100})^t

                          = 1800(1.115)^t

Therefore, rent during 10th year will be,

Rent in 10th year = 1800(1.115)^{10}

                            = $5345.90

3 0
3 years ago
Read 2 more answers
A box is filled with 7 brown cards, 3 yellow cards, and 8 red cards. A card is chosen at random from the box. What is the probab
Deffense [45]
7 brown, 3 yellow, 8 red...total of 18 cards

there are 15 cards not yellow and a total of 18 cards....so the probability of not picking a yellow card is : 15/18 rounds to 5/6
3 0
3 years ago
Please help me!..............
Anna007 [38]
The answer is D I took the test already
6 0
3 years ago
Read 2 more answers
Find the area of each shape
a_sh-v [17]
The square is 130 in squared and the other shape is 54 in squared. If you're looking for the sum of the whole thing, its 185 in squared.
square: 13*10=130
triangle: 7*4= 28/2=14
rectangle: 10*4=40
5 0
3 years ago
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