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grigory [225]
3 years ago
9

Pls help me and explain why it’s that answers.

Mathematics
1 answer:
maw [93]3 years ago
3 0
The answer is the third one
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Apply the rules for order of operstions to simplify 2 + 3 - 4 (5 × 4)
Lerok [7]
Just use PEMDAS 
2+3-4 (5x4) 

Parenthesis
Exponents 
Multiplication
Division
Addition 
Subtraction    So first is Parenthesis 5x4=20 next will be Addition because there are no exponents 2+3= 5-4= 1 so now we go back to multiplication 20 x 1= 20 so 20 is your answer. 

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7 0
3 years ago
Why is it incorrect to say that 5o percent heritability of intelligence means that the cause of your intelligence is 50 percent
pentagon [3]

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>

8 0
3 years ago
HELP...Plz.....Thanks..... :)
Lynna [10]
I think a and y is 2 and 3 because in order to get 5 you have to add
5 0
3 years ago
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PLZZZZZZ HELPPPPP! <br> Question 8
tankabanditka [31]
X=2t
y=1-t
t=x/2
y=1-x/2
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7 0
3 years ago
2(x+1)+3x=37 *what is x??​
irina1246 [14]

2(x+1)+3x=37

simplifythe left side:

2x +2 +3x = 37

Combine like terms:

5x +2 = 37

Subtract 2 from both sides:

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Divide both sides by 5:

x = 7

5 0
3 years ago
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