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3 years ago

Ava has 34 candy bars. If

Mathematics

1 answer:

aliya0001 [1]3 years ago

4 0

$\bf Step-by-step~explanation:$

If Ava has 34 candy bars, and each box can hold 5 bars, then we need to find out how many boxes that are filled up.

$\bf Step~1:$

Divide the number of candy bars (34), by the number each box can hold (5)

$\bf\frac{34}{5}=6.8$

Since we cannot have 6.8 boxes, we have to round down to 6.

$\boxed{\bf Our~final~answer:~6~boxes}$

$\bf Check~our~answer:$

To check our answer, we multiply the number of boxes (6), by the number of bars in each box (5), to get 30. We add Ava's extra bars (4), and we get the number we started off with: 34. This proves our answer is correct!

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Evgen [1.6K]

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2 years ago

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The radius of a circle is 20 inches. Enter the area of the circle in square inches round your answer to the nearest tenth and us

mr_godi [17]

Answer:

$\displaystyle 1256,6$

Step-by-step explanation:

Use this formula to find the area of any circle:

$\displaystyle πr^2 \\ \\ π20^2 = 400π ≈ 1256,637061 ≈ 1256,6$

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3 years ago

The nine ring wraiths want to fly from barad-dur to rivendell. rivendell is directly north of barad-dur. the dark tower reports

Verdich [7]

Velocity of the ring wraiths relative to the air:

$\vec v_{W/A}=(v_{W/A}\cos45^\circ,v_{W/A}\sin45^\circ)=\left(\dfrac{v_{W/A}}{\sqrt2},\dfrac{v_{W/A}}{\sqrt2}\right)$

The speed $v_{W/A}$ is what we want to find - this is the speed at which the wraiths are flying in the air.

(Note: $\vec v$ denotes velocity, while $v$ denotes speed)

Velocity of air relative to the ground:

$\vec v_{A/G}=((69\,\mathrm{mph})\cos180^\circ,(69\,\mathrm{mph})\sin180^\circ)=(-69,0)\,\mathrm{mph}$

The ring wraiths want their trajectory to be due north, which means their velocity relative to the ground should be

$\vec v_{W/G}=(v_{W/G}\cos90^\circ,v_{W/G}\sin90^\circ)=(0,v_{W/G})$

To an observer on the ground, $v_{W/G}$ is the speed at which the wraiths would appear to be moving in the air.

The relative velocities satisify

$\vec v_{W/A}+\vec v_{A/G}=\vec v_{W/G}$

$\implies\begin{cases}\dfrac{v_{W/A}}{\sqrt2}-(69\,\mathrm{mph})=0\\\\\dfrac{v_{W/A}}{\sqrt2}=v_{W/G}\end{cases}$

$\implies v_{W/A}=69\sqrt2\,\mathrm{mph}\approx98\,\mathrm{mph}$

5 0

3 years ago

Write an equation and then solve. check your solution. It takes imani 4 times as long as carissa to travel to school each mornin

ale4655 [162]

Imani's time=4 times carissa's time
=28 min
there fore, i=4*c=28
c=i/4;=>28 divided by 4 which is 7 min

6 0

3 years ago

in a bag of keys there are 15 silver keys six black keys 11 copper keys and two painted keys of various colors. one key is drawn

Setler79 [48]

Answer:

The best thing to do here is to put each of these into fractions, with the total (31) as the denominator.

14/31= silver

6/31= black

8/31= copper

3/31= various colours.

As you're looking for the keys that are silver or copper, you've got to add the two denominators together, which gives you 14+8= 22.

This cannot be simplified further, therefore, the probability of choosing either a silver or copper key is 22/31.

Hope this answer helps you :)

Have a great day

Mark brainliest

7 0

3 years ago