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Sergeeva-Olga [200]
3 years ago
15

Find the constant of proportionality for the graph and write in the form y = kx.

Mathematics
1 answer:
stellarik [79]3 years ago
8 0

C is the correct answer hope this helps you and have a great day

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Calculate<br> 2.43 x 4 = <br> (full working required
antiseptic1488 [7]

Answer: 9.72

To make it easier you first remove( imagine)there is no decimal point. Then u multiply the number which is 4 through all the digits to get 972.

But u are not done yet because u have forgotten the decimal point. To know where to put the decimal point u have to count the number of places it was in order to know where to place it.

So it was 2 decimal places,so we count it and place it there to get 9.72

5 0
3 years ago
What is the value of y?
zubka84 [21]

Answer:

y = 40

Step-by-step explanation:

The sum of the angles of a triangle are 180 degrees

y+10 + 2y +50 = 180

3y+60 = 180

Subtract 60 from each side

3y+60-60 = 180-60

3y = 120

Divide each side by 3

3y/3 = 120/3

y = 40

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3 years ago
F(x) = 3x^2+1<br><br> 1. f(-2) =
Rainbow [258]

Answer:

14

Step-by-step explanation:

f(-2) = 3(-2)² + 1 = 3(4) + 1 = 12 + 1 = 13

3 0
2 years ago
How does Algebra act as a tool to improve communication
damaskus [11]

It is a tool as it represents the language of patterns.

It is also a means of working with abstract notions and then applying them, which frequently leads to the formation of generalisations and insights outside of the original context.

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