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3 years ago

Students were surveyed about birthdays. How many more students were born on Tuesday than on Wednesday?

Mathematics

1 answer:

julsineya [31]3 years ago

3 0

Answer:

2 students

Step-by-step explanation:

See attached pic for complete question.

This is a very simple question.

Each "x" represents 1 student.

If we see the column for Tuesday, we can count there are 4 "x"s.

If we see the column for Wednesday, we can count there are 2 "x"s.

So 4 - 2 = 2 more students were born on Tuesday than on Wednesday [according to the graph]

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7. Is it proportional?

SCORPION-xisa [38]

Answer:

A unit rate is the rate of change in a relationship where the rate is per 1.

The rate of change is the ratio between the x and y (or input and output) values in a relationship. Another term for the rate of change for proportional relationships is the constant of proportionality.

If the rate of change is yx, then so is the constant of proportionality. To simplify things, we set yx=k, where k represents the constant of proportionality.

If you solve a yx=k equation for y, (like this: y=kx), it is called a direct variation equation. In a direct variation equation, y varies directly with x. When x increases or decreases, y also increases or decreases by the same proportion.

To find y in a direct variation equation, multiply x by the constant of proportionality, k.

For example: Given the relationship y=7x, the constant of proportionality k=7, so if x=3, then y=3×7 or 21.

Given the same relationship, if x=7, then y=7×7, or 49.

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

$1800 at 6.5% for 30 months

nasty-shy [4]

1800×6.5%×30=b
b-1800=a

a) $1,710

b) $3,510

8 0

3 years ago

When graphing a polynomial function, what determines what the graph will look like at the far left side? Explain your answer.

dimulka [17.4K]

Answer:

Step-by-step explanation:

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8 0

3 years ago

Gina is making $20 an hour. She receives a 10% raise. If gina works 40 hours a week, how much more money will she make each week

Elden [556K]

Answer:

880

Step-by-step explanation:

20 x 10% = 2

20 + 2 = 22

22 x 40 = 880

6 0

2 years ago

Find the area of the trapezoid below in square centimeters (cm). The area of the trapezoid is

BARSIC [14]

Answer:

122.5

Step-by-step explanation:

Use the area formula for a trapezoid (attached below as an image):

A = area in sq cm

a = top base

b = bottom base

h = height

Correspond the correct values with the variables:

a = 14

b = 21

h = 7

A = 1/2 * (14 + 21) * 7

A = 1/2*(35)*7

A = 17.5 * 7

A = 122.5 sq cm

Hope this helps (●'◡'●)

6 0

3 years ago