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3 years ago

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Seven days ago, I put 60 jelly beans in a bowl. Now there are 4 jelly beans left. If I ate the same number of jelly beans each d

ay, how many jelly beans did I eat each day?

2 answers:

katrin [286]3 years ago

6 0

If im right 60-8-8-8-8-8-8-8=4 so i think ur answer is 4

Oksanka [162]3 years ago

4 0

You must've ate 8 jelly beans a day!
Solution: 60-4=56
56/7=8
Making EIGHT your answer!

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400.0 ml of a gas are under pressure of 80.0 kpa what would the volume of the gas be at a pressure of 100.0 kpa

Ber [7]

Answer:

The final volume is 320 mL at pressure of 100 kPa.

Step-by-step explanation:

Boyle's law gives the relation between volume and pressure of a gas. It states that at constant temperature, volume is inversely proportional to its pressure such that,

$V\propto \dfrac{1}{P}\\\\P_1V_1=P_2V_2$

Let

$V_1=40\ mL\\\\P_1=80\ kPa\\\\P_2=100\ kPa$

We need to find $V_2$ . Using above equation, we get :

$V_2=\dfrac{P_1V_1}{P_2}\\\\V_2=\dfrac{400\times 80\times 10^3}{100\times 10^3}\\\\V_2=320\ mL$

So, the final volume is 320 mL at pressure of 100 kPa.

6 0

3 years ago

Help please with this math ;-; I beg of you

RSB [31]

Answer:

49 - 9π

Step-by-step explanation:

Area of white portion = area of triangle - area of circle

To find the area of the triangle:

The area of a triangle can be calculated using this formula

$A=\frac{bh}{2}$ where b = base length and h = height

The height given is 7m and the base length given is 14m

That being said we plug in the given values into the formula

$\frac{14*7}{2} \\14*7=98\\\frac{98}{2} =49$

Hence, the area of the triangle is 49 sq meters.

To find the area of circle

( note that the area is in terms of pi; shown by the answer choices. )

Formula for area of a circle = $A=\pi r^2$

We are given the diameter ( 6m )

However, we need the radius

To convert diameter to radius we divide by 2

6/2 = 3 so the radius = 3m

Now we plug in 3 into the formula

$A=\pi 3^2\\3^2=9\\A=9\pi$

Remember we do not apply pi because the answer should be in terms of pi.

Now we subtract the two

Area of white portion = 49 - 9π

Hence, the answer is A

7 0

3 years ago

Read 2 more answers

The price of a video game is $35.60. If you purchase the video game for $30.26 with a coupon, what percent of the original price

topjm [15]

(30.26/35.6)*100= 85%

check: .85 * 35.6 = 30.26

4 0

3 years ago

Evaluate the expression when g = 6 and h = 7 <br> h + 9g

Norma-Jean [14]

Sub the numbers in
7 + 9(6)
=7 + 54
=61

4 0

3 years ago

Read 2 more answers

Write an equation of the parabola that has the same shape as the graph of f(x), but with the point (,) as the vertex.

erik [133]

Answer:

y=3(x-9)^2+4

Step-by-step explanation:

To move a parabola horizontally to the right, subtract 9.

To move it upward 4 units, you simply have to add 4.

These do not change the characteristics of the shape. I suggest looking at a set of rules that affect how the parabola moves horizontally and vertically.

5 0

3 years ago