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iren2701 [21]
3 years ago
13

Why is it incorrect to say that 5o percent heritability of intelligence means that the cause of your intelligence is 50 percent

genetic and 50 percent environmental?
Mathematics
1 answer:
pentagon [3]3 years ago
8 0

Answer with explanation:

It is incorrect to say that 50% heritability of intelligence means that the cause of the intelligence is 50% genetic and 50% environmental.

<em><u>Because heritability accounts for variations among people, not in specific individuals which means that the cause is not 50% environmental or 50% genetic but rather based on variations among individuals</u></em>

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6. What is the value of the expression below when x = 6 and y = 2?
liubo4ka [24]

Value of xy - y is 10 when x = 6 and y = 2

Step-by-step explanation:

  • Step 1: Find the value of xy - y when x = 6 and y = 2

xy - y = 6 × 2 - 2

         = 12 - 2 = 10

6 0
3 years ago
Order of operations, step by step <br> 56-12 / 6+4
icang [17]

Answer:

58

Step-by-step explanation:

<u>Order of operations:</u>

  • Parentheses
  • Exponents
  • Multiplication-Division
  • Addition-Subtraction

<u>Solve:</u>

56-12 / 6+4

56 - (12/6) +4  { No Multiplication but do have Division} (12/6 = 2)

56 - 2 + 4 {Subtraction ⇒ 56-2 = 54}

54 + 4 { Addition ⇒ 54 + 4 = 58}

<u>Answer = </u>58

[RevyBreeze]

7 0
2 years ago
Mrs. Clark has a glass vase with a base shaped like a hexagon, as shown. The vase is 30 cm tall and the hexagon base has an area
Lisa [10]

Answer: The correct option is fourth, i.e., 1935 cm³.

Explanation:

It is given that the vase is 30 cm tall and the hexagon base has an area of 64.5 cm².

The area of a hexagon base is,

A=\frac{3\sqrt{3}} {2}a^2

Where, a is the side length.

The volume of the a hexagon glass is,

V=\frac{3\sqrt{3}} {2}a^2\times h

V=A\times h

Where, A is area of base of hexagon and h is height of the hexagon glass.

V=64.5\times 30

V=1935

Therefore the volume of the glass is 1935 cm³ and the glass can hold 1935 cm³ water. So, fourth option is correct.

4 0
3 years ago
Read 2 more answers
The curved part of this figures is a semicircle.
vovangra [49]

First we join the two endpoints of the semicircle and that will be the diameter.

And to find the length of the diameter, we have to use distance formula, with one endpoint (3,2) and the other is (-4,-2) .

SO we get

Diameter = \sqrt{ {-4-3)^2 +(-2-2)^2 } = \sqrt{49+16} = \sqrt 65

Radius is half of diameter, so the radius is

Radius= \frac{ \sqrt{65}}{2}

Formula of area of circle is

Area = \pi r^2

So the area of semicircle is

=(1/2) \pi ( \frac{ \sqrt{65}}{2})^2 = 8.125 \pi \square \units

And the other figure is a triangle, with

Base = 3-(-4)=3+4=7 \\ height = 2-(-2) = 2+2 =4

Area = (1/2)*4*7= 14 square units

Therefore, total area is the sum of area of semicircle and area of triangle,

And we will get

Total \ area= 14 + 8.125 \pi \ units^2

Correct option is the third option .

3 0
4 years ago
Read 2 more answers
What is 5+2 cuz I need help on that question<br>​
liberstina [14]

Answer:

7

Step-by-step explanation:

can you mark me brainliest

3 0
3 years ago
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