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3 years ago

11

Evelyn swimming pool requires 3 quarts of a bacterial cleaning agent five times a month how many gallons of this agent will Evel

yn use during June July August?

1 answer:

babunello [35]3 years ago

7 0

Answer:

180 litres

Step-by-step explanation:

Quart: 1.1 litre

3 quarts used every 1 time its cleaned

cleaned 5 times 1 month

5 x 3=15

12 months in a year 15 x 12 = 180

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A boy is playing a ball in a garden surrounded by a wall 2.5 m high and kicks the ball vertically up from a height of 0.4 m with

USPshnik [31]

Answer:

2.54 seconds

Step-by-step explanation:

We can use the following equation to model the vertical position of the ball:

S = So + Vo*t + a*t^2/2

Where S is the final position, So is the inicial position, Vo is the inicial speed, a is the acceleration and t is the time.

Then, using S = 2.5, So = 0.4, Vo = 14 and a = -9.8 m/s2, we have that:

2.5 = 0.4 + 14*t - 4.9t^2

4.9t^2 - 14t + 2.1 = 0

Solving this quadratic equation, we have that t1 = 2.6983 s and t2 = 0.1588 s.

Between these times, the ball will be higher than 2.5 m, so the amount of time the ball will be higher than 2.5 m is:

t1 - t2 = 2.6983 - 0.1588 = 2.54 seconds

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3 years ago

Suppose that water is stored in a cylindrical tank of radius 5 m. if the height of the water in the tank is h, then the volume o

schepotkina [342]

Any answer choices ?

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3 years ago

Consider the positively charged particles seen here. The magnitude of their combined charges is represented by the vector arrow.

gavmur [86]

B)decreases by one; arrow length decreases by 1/3

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3 years ago

the middle School golf team is selling golf balls to raise $850 for new equipment they sell golf balls for $2 each a case has 24

aniked [119]

Answer:

The number of cases of golf ball that team needed to raise money for equipment is 3 .

Step-by-step explanation:

Given as :

The amount needed for new equipment = $850

The cost of each golf ball = $2

The number of packs of golf ball in each case = 24

The number of golf ball in each pack = 6

Let The number of cases of golf ball team needed to raise money for equipment = n cases

Now, According to question

∵ 1 pack has 6 balls

so, 24 pack has 6 × 24

i.e 24 packs has 144 balls

So, The number of balls in each case` = 144 balls

<u>Again</u>

∵ cost of 1 ball = $2

So, cost of 144 balls = $2 × 144

i.e cost of 144 balls in each case = $288

<u>Again</u>

∵ The amount needed for new equipment = $850

So, The number of cases of golf ball team needed to raise money for equipment = $\dfrac{amount needed for new equipmen}{cost of 144 balls in each case }$

Or, n = $\dfrac{850}{288}$

∴ n = 2.9 ≈ 3

So, The number of cases of golf ball that team needed to raise money for equipment = n = 3

Hence, The number of cases of golf ball that team needed to raise money for equipment is 3 . Answer

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3 years ago

What is the solution to 5(34+12)/2?

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The answer is 115. ;)

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