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4 years ago

4-5 of the money collected from a fundraiser was dived equally among 8 grades.What fraction of money did each grade receive

Mathematics

1 answer:

allsm [11]4 years ago

4 0

If you are just dividing percent's, then each grade would have 12.5 percent.

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The volume of one can is 300 cubic centimeters. What is the radius of this can? Round to the nearest hundredth.

Sav [38]

Volume of cylinder

$\pi {r}^{2} h$

Volume of the can = 300

$300 = \pi {r}^{2} h$

$300 = \frac{22}{7} {r}^{2} h$

$300 \times \frac{7}{22} = {r}^{2} h$

$150 \times \frac{7}{11} = {r}^{2} h$

$95.45 = { r}^{2} h$

$\frac{95.45}{h} = {r}^{2}$

$\sqrt{ \frac{95.45}{h} } = r$

$\frac{ \sqrt{95.45} }{ \sqrt{h} } = r$

3 0

3 years ago

Please help me with this

Vikentia [17]

Answer:

see explanation

Step-by-step explanation:

2πr (230/360) = 2(3.142)(40) = 160.59 cm = circumference

160.59 = 2πr

base radius = 25.56 cm

Use pythagorean formula for semi-vertical height

40² = h² + 25.56²

h = 30.77 cm

volume = 1/3πr²h

V = 1/3(3.142)(25.56)²(30.77) = 21,053.98 cm³

6 0

4 years ago

Writing equations from graphs pixel art graph

ludmilkaskok [199]

Answer:

y= -2/3x - 4

Step-by-step explanation:

the 2/3 comes from going up 2 spaces and over left 3 spaces. the b is negative 4 because of where it falls. the line is negative because of the direction it is in.

6 0

2 years ago

How do i convert 4.5 meters into cm

REY [17]

Answer: 4.5 meters is 45 centimeters.

Step-by-step explanation: The centimeter is just a single digit behind a meter, or in more mathematical terms, a tenth of a meter.

In this case, you can simply multiply 4.5 by 10 or divide 4.5 by one hundreth (or 1/100). In doing so, you'd successfully acheive the value of 45. Study your conversions

4 0

3 years ago

Josh will toss a coin four times. what is the probability the coin will land on heads at least 3 times in a row?

UNO [17]

12.5%

Starts at 50%

then goes to 25%

then goes to 12.5%

It always divided by 2

8 0

3 years ago