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Makovka662 [10]
2 years ago
12

Is this a function? {(-1,3); (0,1); (-1,4); (2,3)}

Mathematics
1 answer:
I am Lyosha [343]2 years ago
3 0
No there are two of the same X value
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By what factor would your weight be multiplied if earth's diameter were 1/ 4 as big and earth's mass remained unchanged?.
GenaCL600 [577]

Answer:

  16

Step-by-step explanation:

Your weight is (roughly) proportional to the inverse of the square of the distance you are from the center of the earth. If that distance is reduced to 1/4 its previous value, then your weight will be multiplied by the factor ...

  1/(1/4)² = 16

You would weigh 16 times as much.

_____

<em>Additional comment</em>

The distribution of mass within the earth also affects your weight.

3 0
2 years ago
simplify 5ab+9a-ab-7a and justify each step as associative , distributive, commutative, or additive property.
Vladimir [108]

Answer:

5ab-ab+9a-7a

ab(5-1)+a(9-7)

4ab+2a

a(4b+2)

7 0
3 years ago
There is $2,134 in a savings account. If next year the money is two times as much, what is the total amount in the savings accou
Dafna1 [17]

Hello!

To find our answer, we just multiply by 2.

2,134(2)=4,268

Therefore, there would be $4,268.

I hope this helps!

6 0
3 years ago
Read 2 more answers
Solve the following equation for the variable a. 2a+b=c-4d
Ipatiy [6.2K]
2a=c-4d-b
a=(c-4d-b)/2
3 0
3 years ago
Martin was given this expression to simplify: 23x + xy – y + 3y + 5 – 20x + 6xy He simplified the expression to: 43x + 7xy −3y W
tensa zangetsu [6.8K]

Answer:

Step-by-step explanation:

23x + xy - y + 3y + 5 - 20x + 6xy = 23x - 20x + xy  + 6xy -y + 3y + 5

                                                     = 3x + 7xy + 2y + 5

Errors:1) The combined coefficients of the x terms should be 3x, not 43x

2) The coefficients of the y terms have been multiplied.

3) The constant was left off.

3 0
3 years ago
Read 2 more answers
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