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anastassius [24]
3 years ago
5

a motorboat can maintain a constant speed of 29 miles per hour relative to the water. the boat makes a trip upstream to a certai

n point in 31 minutes; the return trip takes 27 mintues. what is the speed of the current?
Mathematics
1 answer:
Paul [167]3 years ago
7 0

x ~ 2.3 mph is the current

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Write a complete two-column proof for following information:
Fantom [35]
<span>Given:

AB = x + 16

BC = 4x + 11 

AC= 77

We can safely assume that,

AB + BC = AC

x + 16 + 4x + 11 = 77

5x + 27 = 77

5x = 77 - 27

5x = 50

x = </span>\frac{50}{5}

x = 10

Hence, 

AB = x + 16 = 10 + 16 = 26

Hence, proved.
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4 years ago
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Credit card buying has become an important part of the economy of the United States.
antiseptic1488 [7]

Answer:

True

Explanation:

Credit cards have played an major part in the economy. Without them, many people would reside to having cash on them constantly. It's very convenient, especially in this busy country.

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3 years ago
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How do you divide 360 into 6
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360/6=60, how many 6s go into 36 to start. The answer is 6. 360 is 10x 36 so just add a 0 to 6.
3 0
3 years ago
Suppose the claim size of an auto collision insurance, X, is uniformly distributed on the interval $1,000 to $10,000. What is th
timurjin [86]

Answer:

35.35%

Step-by-step explanation:

If there were no deductibles, the expected claim payment would be:

E(X) = \frac{10,000 +1,000}{2} \\E(X) =\$5,500

If the collision insurance claim is under $2,000, then the insurer would not pay anything, but if X > $2,000, then the insurer would pay X - $2,000. The new expected value is:

E_2(X)=\frac{2,000-1,000}{10,000-1,000} *0+\frac{10,000-2,000}{10,000-1,000}*\frac{(2,000-2,000)+(10,000-2,000)}{2} \\E_2(X)=\frac{8}{9}*\frac{0+8,000}{2}\\ E_2(X)=\$3,555.56

The percentage reduction on the claim payment is:

P=(1-\frac{E_2(X)}{E(X)})*100 \\P=(1-\frac{3,555.56}{5,500})*100\\P=35.35\%

There was a 35.35% reduction.

8 0
3 years ago
In a bag of marbles, image are red, image are blue, image are green, and image are yellow. You pick a marble without looking. Wh
marysya [2.9K]

Answer:

red

Step-by-step explanation:

1/2 is larger than 1/4, 1/6, and 1/12 meaning the chance of pulling red is greater than getting blue, green, or yellow.

hope i helped you!

3 0
3 years ago
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