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3 years ago

12. Match the function with the correct parabola.

Mathematics

1 answer:

Mekhanik [1.2K]3 years ago

6 0

Step-by-step explanation:

a x^2/4

b -x^2/4+3

c 4x^2

d -x^2

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Subtraction with renaming estimate 2 1/6- 1 2/7

Snezhnost [94]

13/6-9/7
Find the Least Common Denominator (LCD)
In this case, 42.
(7/7)(13/6)-(6/6)(9/7)
37/42 is your answer

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3 years ago

One of the tables shows a proportional relationship. Graph the line representing the proportional relationship from this table i

Mkey [24]

Answer:

Table C

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

Find the value of the constant of proportionality in each table

Table A

For $x=-2, y=-4$ ------> $k=-4/-2=2$

For $x=-1, y=-3$ ------> $k=-3/-1=3$

This table has different values of k

therefore

the table A does not represent a proportional relationship

Table B

For $x=-2, y=-4$ ------> $k=-4/-2=2$

For $x=-1, y=-2$ ------> $k=-2/-1=2$

For $x=1, y=3$ ------> $k=3/1=3$

This table has different values of k

therefore

the table B does not represent a proportional relationship

Table C

For $x=-2, y=-4$ ------> $k=-4/-2=2$

For $x=-1, y=-2$ ------> $k=-2/-1=2$

For $x=1, y=2$ ------> $k=2/1=2$

For $x=2, y=4$ ------> $k=4/2=2$

This table has the same value of k

therefore

the table C represent a proportional relationship

Table D

For $x=-2, y=-4$ ------> $k=-4/-2=2$

For $x=-1, y=-2$ ------> $k=-2/-1=2$

For $x=1, y=2$ ------> $k=2/1=2$

For $x=2, y=6$ ------> $k=6/2=3$

This table has different values of k

therefore

the table D does not represent a proportional relationship

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3 years ago

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Need help on this question please!

podryga [215]

Answer:

The answer is -46

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3 years ago

Simplify 3^2 ⋅ 3^5 3^7 3^10 9^7 9^10

love history [14]

3^7 when you are multiplying numbers with the same base add the exponents.

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3 years ago

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In a box of 720 pens,40% of the pens are blue. how many blue pens are there in the box?

romanna [79]

Answer:

blue pens=288

Step-by-step explanation:

blue pens=720×40%

blue pens=720×40/100

blue pens=288

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3 years ago

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