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3 years ago

I am super confused .....................

Mathematics

2 answers:

ehidna [41]3 years ago

6 0

The answer is the last one!

Explanation :
For 15 fresh apples, there are 3 that is not. Therefore, you add 5 to the bottom ratio and 1 to the top ratio until you reach something similar to the last graph. Hope that makes sense?

Phantasy [73]3 years ago

4 0

Answer:

B is the answer

Step-by-step explanation:

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A closed can, in a shape of a circular, is to contain 500cm^3 of liquid when full. The cylinder, radius r cm and height h cm, is

Gemiola [76]

To express the height as a function of the volume and the radius, we are going to use the volume formula for a cylinder: $V= \pi r^2h$
where
$V$ is the volume
$r$ is the radius
$h$ is the height

We know for our problem that the cylindrical can is to contain 500cm^3 when full, so the volume of our cylinder is 500cm^3. In other words: $V=500cm^3$ . We also know that the radius is r cm and height is h cm, so $r=rcm$ and $h=hcm$ . Lets replace the values in our formula:
$V= \pi r^2h$
$500cm^3= \pi (rcm^2)(hcm)$
$500cm^3=h \pi r^2cm^3$
$h= \frac{500cm^3}{ \pi r^2cm^3}$
$h= \frac{500}{ \pi r^2}$

Next, we are going to use the formula for the area of a cylinder: $A=2 \pi rh+2 \pi r^2$
where
$A$ is the area
$r$ is the radius
$h$ is the height

We know from our previous calculation that $h= \frac{500}{ \pi r^2}$ , so lets replace that value in our area formula:
$A=2 \pi rh+2 \pi r^2$
$A=2 \pi r(\frac{500}{ \pi r^2})+2 \pi r^2$
$A= \frac{1000}{r} +2 \pi r^2$
By the commutative property of addition, we can conclude that:
$A=2 \pi r^2+\frac{1000}{r}$

7 0

3 years ago

22. Write the equation in Slope-Intercept form of the line with an x-intercept of 2

Thepotemich [5.8K]

Answer:

y = $\frac{1}{2}$ x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Calculate m using the slope formula

m = (y₂ - y₁ ) / (x₂ - x₁ )

with (x₁, y₁ ) = (2, 0) and (x₂, y₂ ) = (0, - 1) ← coordinates of intercepts

m = $\frac{-1-0}{0=2}$ = $\frac{-1}{-2}$ = $\frac{1}{2}$

The y- intercept is - 1 ⇒ c = - 1

y = $\frac{1}{2}$ x - 1

5 0

3 years ago

What is the LCM of 13, 29,and 21

WITCHER [35]

The LCM this question is 13 and 29

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3 years ago

Read 2 more answers

What is one way of writing 10-3?

Grace [21]

Greetings!

"10-3" can also be written as:
1) -3+10
2)10+(-3)

Hope this helps.
-Benjamin

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3 years ago

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A number is multiplied by 16, and that product is added to 8. The sum is equal to the product of 4 and 10. Find the number.

Ymorist [56]

Your sum is 4 times 10, or 40. We want to end up with 40. Subtract 8 because you added 8 before to work backwards. You get 32. Divide by 16 because the opposite of multiplication is division. You would get 2.

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3 years ago