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4 years ago

Describe the different parts of a picture graph

Mathematics

1 answer:

asambeis [7]4 years ago

5 0

What type of picture graph? A bar graph?

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In a certain Algebra 2 class of 30 students, 22 of them play basketball and 18 of them play baseball. There are 3 students who p

PolarNik [594]

Using the rules of probability:

P(A∩B)=P(A)+P(B)−P(A∪B) = 22/30 + 18/30 − 27/30 = 13/30 Play both.

3 0

4 years ago

A/50 = 3/5 Solve for “a” by cross multiplying then divide.

garik1379 [7]

Answer:

a = 30

Step-by-step explanation:

a/ 50 = 3/5

Using cross products

a*5 = 50 *3

5a = 150

Divide each side by 5

5a/5 = 150/5

a = 30

7 0

3 years ago

Read 2 more answers

An airplane pilot is fertilizing a field. The height y in feet of the fertilizer t seconds after it is dropped is modeled by y(t

zheka24 [161]

Answer:

About 360.178 feet

Step-by-step explanation:

So we want the vertical distance between the fertilizer and the ground to be 0.

This going to be about the time the pilot has dropped it

So we first need to find when y is 0.

$0=-16t^2-3t+300$

We are going to use the quadratic formula to solve for t:

$a=-16$

$b=-3$

$c=300$

The quadratic formula is:

$t=\frac{-b \pm \sqrt{b^2-4ac}}{2a}$

$t=\frac{3 \pm \sqrt{(-3)^2-4(-16)(300)}}{2(-16)}$

$t=\frac{3 \pm \sqrt{9+19200}}{-32}$

$t=\frac{3 \pm \sqrt{19209}}{-32}$

$t=\frac{3+\sqrt{19209}}{-32} \text{ or } \frac{3-\sqrt{19209}}{-32}$

$t \approx -4.424891774 \text{ or } 4.237391774$

So the pilot has released it at about 4.237391774 seconds since the fertilizer has actually hit the ground at roughly this time.

So we want to know the horizontal distance at t=4.237391774:

$85t$

$85(4.237391774)$

$360.1783008$

360.178 feet

7 0

3 years ago

The density of silver is <br> 10.5 g/cm3. What is the <br> volume of a 61.3 g piece of <br> silver?

Lena [83]

Answer

5.84 cm(3)

Explination

4 0

3 years ago

The volume of a cylinder is 375 pi cm^3. The height is 15 cm. What is the radius of the cylinder

madam [21]

The radius is 3.27 cm, because I used the formula in reverse.

3 0

3 years ago