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3 years ago

Write an equation for the line on the graph below:

Mathematics

1 answer:

wolverine [178]3 years ago

7 0

Answer:

This line is a horizontal line, so it has an equation y=n, where n is a number.

In this case, because the y intercept is (0,2) the equation is y=2.

Let me know if this helps!

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A hat contains four balls. The balls are numbered 2, 4, 4, and 7. One ball is randomly selected and

ASHA 777 [7]

Answer:

If the sum is 6, a small cone will be ordered

If the sum is 8 or 9, a medium cone will be ordered.

If the sum is 11, a large cone will be ordered.

Step-by-step explanation:

If the sum is 6, a small cone will be ordered

If the sum is 8 or 9, a medium cone will be ordered.

If the sum is 11, a large cone will be ordered.

The description above accurately explains how a fair decision can be made in this situation. Because the least sum of value = 6

While the highest sum of value of number = 11.

4 0

3 years ago

The ratio of sides of 2 similar cubes is 3:4. Larger cube has a volume of 1728 cubic meters . What is the volume of the smaller

Tanya [424]

Answer:

729m³

Step-by-step explanation:

To find the length of one side find the cube root of 1728m³

³√1728=12metres

To find the length of the smaller cube

ratio 3:4.

4/7=12m

3/7=?

3/7×12 = 3/7×12×7/4

4/7

=9metres

To find volume of the small cube

volume=9×9×9

=729m³

7 0

3 years ago

Round 3,842,532 to the nearest 1,000

jek_recluse [69]

3,843,000. the number next to 2 (which is in the thousands place) is 5. so we add one and it became 3,843,000

7 0

3 years ago

Read 2 more answers

(a+b):a = 7:4 Find a:b

harina [27]

Answer:

4:3

Step-by-step explanation:

a+b = 7 units

a = 4 units

b = 7 - 4 units

Thus,

a:b

-----

4:3

8 0

3 years ago

Read 2 more answers

Consider the following: A medical researcher wants to determine the effects of pH (a measure of alkalinity or acidity, with pure

natita [175]

Answer:

See below

Step-by-step explanation:

<h3>Continuation of the question</h3>

Data in the table:

PH 4 5 6 7 8 9 10 11

Bacteria 116 120 131 136 141 151 148 163

Create a scatter plot to represent the data: Based on the data and your scatter plot, what do you think a good linear function would be to represent the data?

<h3>Solution</h3>

See attached for scatter plot

We can see the chart is close to linear function. Let's build one based on data in the table

The line will be in the form of:

y = mx + b

If we use two points and get the equation

(4, 116) and (8, 141)

Finding the slope:

m = (141-116)/(8-4) = 25/4 = 6.25

Then, finding y-intercept:

116 = 6.25*4 + b
b = 116 - 25 = 91

So the line is:

y = 6.25x + 91

Note: This is approximate best fit graph and it is attached as well. Exact formula for the line is built by using different method and is very close to the one above

4 0

3 years ago