2 years ago

I don’t know if I should put the parentheses around the number 4 or not

Mathematics

1 answer:

tresset_1 [31]2 years ago

8 0

Answer:

you only put a parenthesis around a number if it is negative

Step-by-step explanation:

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What percent of 37 is 111?

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111 is 300% of 37. This is how I do it. 37x=111 x=111/37 x=3 move the decimal point right 2 places to get the percentage 300% ANSWER 300%

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2 years ago

Identify the constant of proportionality from the graph. <br>A. 1/3 <br>B. 9 <br>C. 3 <br>D. 6

Andrej [43]

Answer:

C. 3

Step-by-step explanation:

The constant of proportionality is the slope (or rate of change) of the graph.

To find the equation of the graph;

Take points (1,3) and (3,9)

The slope (m) = change in y ÷ change in x

m = $\frac{9 - 3}{3 - 1} = \frac{6}{2} = 3$

Taking another point (x,y) on the graph;

m = $\frac{y - 3}{x - 1} = 3$

y - 3 = 3x - 3

y = 3x + 0

y = 3x

This can be expressed as;

y ∝ 3x

Which means that as y rises, x rises too but 3 remains the same. The value 3 is the constant of proportionality in this relationship.

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