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Vladimir [108]
3 years ago
7

Determine the initial height of the ball and the time interval before the ball hits the ground. initial height = 0; hits the gro

und between 5 and 6 seconds initial height = 150; hits the ground between 5 and 6 seconds initial height = 0; hits the ground between 3 and 4 seconds initial height = 150; hits the ground between 4 and 5 seconds
Mathematics
2 answers:
Anestetic [448]3 years ago
8 0

Answer:

Answer: B) initial height = 150; hits the ground between 5 and 6 seconds

sveta [45]3 years ago
5 0

Answer:

<h2> Initial height = 150; hits the ground between 5 and 6 seconds</h2>

Step-by-step explanation:

The table for this problem is:

t      y

0    150

1     145.1

2    130.4

3    105.9

4     71.6

5     27.5

6    -26.4

So, from the table we observe that the initial height is 150, and the ball hits the ground between 5 and 6 seconds.

The initial height is when the time is zero, because at this point, the movement is going to initiate.

The ball hits the ground between 5 and 6 seconds, because you can see that inside that interval the height change from positive to negative, where zero is the ground level, and the zero is between 27.5 and -26.4.

Therefore the answer is initial height = 150; hits the ground between 5 and 6 seconds

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Find the area of the shaded region. Round to nearest hundredth.
coldgirl [10]

210/360 = 7/12, meaning the shaded area is 7/12 of the entire circle.

The circle has radius 12 in, so its total area is π (12 in)^2 = 144π in^2.

Then the area of the shaded region is 7/12 of this, or

7/12 * (144 π in^2) = 84π in^2 ≈ 263.89 in^2

5 0
3 years ago
Heidi's Accessories bought 50 necklaces for $10 each on account. The invoice included a 6% sales tax and payment terms of 2/10,
garri49 [273]

Answer:

<u>The correct answer is B. Accounts payable for US$ 53.oo</u>

Step-by-step explanation:

1. Let's recall what is the Journal entry when a company return part of the inventory previously purchased:

Debit

The amount Heidi's accessories owed to the supplier would have been sitting as a credit on the accounts payable account because the invoice has not been payed. In the case of this return, we should debit it because we should diminish the amount due.

Credit

The goods Heidi's accessories are returning and therefore, the asset of inventory decreases. The credit to purchase returns reduces the value of the total purchases. That's why options C and D are incorrect.

2. Now, let's calculate the amount of the return that Heidi's accessories made, this way:

Return = Number of necklaces * Price of each necklace + Sales taxes

Replacing with the real values, we have:

Return = 5 * 10 + (5 * 10) * 0.06

Return = 50 + (50) * 0.06

Return = 50 + 3 = 53

<u>The correct answer is B. Accounts payable for US$ 53.oo</u>

7 0
3 years ago
An aquarium tank can hold 5400 liters of water. There are two pipes that can be used to fill the tank. The first pipe alone can
Nady [450]

Answer:

36 minutes when both pipes are working together

Step-by-step explanation:

capacity of tank = 5400 liters

Pipe A flow per mint. = 5400/90 = 60 liters per mint.

Pipe B flow per mint. = 5400/60 = 90 liters per mint.

Flow of A + B per mint. 60 + 90 = 150 liter per mint.

Therefore, 5400 / 150 = 36 minutes to fill the tank

8 0
3 years ago
How much money should the company spend on marketing each month?​
o-na [289]

The function represents the profit, and the company obviously wants to maximize it.

You can see that the profit increases until the parabola reaches its maximum.

The coordinate of the maximum look like (1.5, 90)

This means that, if the company invests 1.5 thousand dollars, the profit will be 90 thousand dollars, and this is the maximum profit the company can reach.

7 0
3 years ago
A holiday costs £1200. Work out the price after a 7% discount.
vfiekz [6]

Answer:

1116

Step-by-step explanation:

0.93(1200)

1116

8 0
3 years ago
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