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Anna11 [10]
2 years ago
13

Manny receives 6 dollars each week for allowance. He also had 45 dollars saved from birthday gifts. If he currently has 111 doll

ars, write an equation to represent how many weeks Manny has been saving money.
A. 6 + 45 = 111w

B. 6w = 111 + 45

C. 6w − 45 = 111

D. 6w + 45 = 111

E. none of the above

Which one?
Mathematics
2 answers:
Mashutka [201]2 years ago
8 0

Answer:

I'm pretty sure its D

Step-by-step explanation:

w is represented by week of saving he gets 6 dollars every week so 6w

he gets 45 dollars from his presents so he adds the 45 to the equation leaving him 111 dollars

so the equation is 6w+45=111

puteri [66]2 years ago
6 0

Answer:

The answer is E.

Step-by-step explanation:

I am assuming that W is weeks, but however if you do the math on each one it doesn't equal 111, or it doesn't make sense. The first one doesn't make sense because why would 6 dollars and 45 dollars equal 111 weeks. The next one isn't a proper equation for this problem. The 3rd one is the exact opposite of the 4th one but neither of them add up to 111. So it has to be E.

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A. The ratios are proportional
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HELP PLZZZ HURRY !!! Which word is an antonym of the underlined word in the paragraph?
PtichkaEL [24]

D

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I'm guessing the underlined word is hail, if it's not then let me know.

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3 years ago
WVTU is a television station that has 20 thirty-second advertising slots during their regularly scheduled programming each eveni
Colt1911 [192]

Answer:

a. $90,000

b. 15 advertisement slots

c. 0.53

Step-by-step explanation:

Let the purchase price of the slots, c = 4,500

The salvage value of the slots, s = 2,000

The selling price of the slots, p = 8,000

a. If the store manager sells all the advertising slots in advance, the revenue received, 'R', is given as follows;

R = The number of slots, n × The purchase price for selling immediately, c

∴ R = 20 × $4,500 = $90,000

The revenue the station will receive by selling all the advertising slots in advance, R = $90,000

b. The Cost of Overage, C_o = Purchase price - Salvage value

∴ The Cost of Overage, C_o = 4,500 - 2,000 = 2,500

The Cost of Underage, C_u = Selling price - Purchase price

∴ The Cost of Underage, C_u = 8,000 - 4,500 = 3,500

P; 0.03, 0.05, 0.1, 0.15, 0.2, 0.15, 0.1, 0.05, 0.05, 0.05, 0.05, 0.02

With help of MS Excel, we get the following cumulative frequency

F(Q); 0.03, 0.08, 0.18, 0.33, 0.53, 0.68, 0.78, 0.83, 0.88, 0.93, 0.98, 1

The expected monetary value for the decision to sell the 8th slot at the last minute is given by the following relation;

C_u × [1 - F(Q)] - C_o × F(Q)

Where F(Q) = The cumulative frequency for the 8th stock

Therefore, we have;

3,500 × (1 - 0.03) - 2,500 × 0.03 = 3,300

For the 8th slot, the TV station is expected to make an extra $3,300

Using MS Excel, we get;

For the 9th slot, the profit over the purchase price = $3,020

Fot the 10th slot, the profit over the purchase price = $2,420

The profit over the purchase price for the 11th slot = $1,520

The profit over the purchase price for the 12th slot = $320

The profit over the purchase price for the 13th slot = $(-580)

The 14th = $(-1,180)

15th = $(-1,480)

16th = $(-1,780)

17th = $(-2,080)

18th = $(-2,380)

19th = $(-2,500)

Therefore, to maximize profit, only the 8th, 9th, 10th, 11th, and 12th, slots which are 5 slots should be sold late while 20 - 5 = 15 slots should be sold in advance

c. The probability that the total revenue will exceed the identified amount in part 'a' is the cumulative probability at the 12th slot which is given as follows;

P(D ≤ 12) = F(12) = 0.53.

3 0
2 years ago
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Answer:

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Step-by-step explanation:

If you make a diagram, you'll see the submarine forms a right angle triangle with the base, where the hypotenuse is the length from the submarine to its base, and 5.5 and 3.4 are the side lengths. To find the hypotenuse, use the formula a^2+b^2=c^2.

5.5^2+3.4^=c^2

41.81=c^2

6.466=c

Round it to one decimal point and you get 6.5km.

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