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frutty [35]
3 years ago
8

Need help? Have an 30 minutes left on the quiz

Mathematics
1 answer:
Maurinko [17]3 years ago
6 0

Answer:

5

Step-by-step explanation:

By the pythagorean theorem, x^2 = 13^2-12^2. 13^2-12^2 = 25, and the square root of 25 is 5

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The graph below is a function.<br><br> True or false?
Citrus2011 [14]

Answer:

true!

Step-by-step explanation:

hi, this graph is a function because it passes the vertical line test. there are no x-values with 2 y-values for the same x.

3 0
4 years ago
A construction company is planning to bid on a building contract. The bid costs the company ​$1400. The probability that the bid
liubo4ka [24]

Answer:

$3,000

Step-by-step explanation:

There two possible outcomes:

There is a 3/4 chance that the bid is rejected for a value of -$1,400

There is a 1/4 chance that the bid is accepted for a value of $17,600 - $1,400.

The expected value of the situation is:

E = \frac{3}{4}*(-1,400)+\frac{1}{4}*(17,600-1,400)\\E=\$3,000

The expected value is $3,000.

7 0
3 years ago
Two planes, which are 2235 miles apart, fly toward each other. Their speeds differ by 95 mph. If they pass each other in 3 hours
lora16 [44]

Answer:

325 mph and 420 mph

Step-by-step explanation:

If the speed of the slower plane is x, then the speed of the faster plane is x + 95.

The distance traveled by the slower plane is 3x.

The distance traveled by the faster plane is 3(x + 95).

The total distance is 2235 miles.

3x + 3(x + 95) = 2235

3x + 3x + 285 = 2235

6x = 1950

x = 325

x + 95 = 420

The speed of the planes is 325 mph and 420 mph.

5 0
4 years ago
Suppose the cost of mailing a letter is $0.25 per ounce plus $0.14. The equation that gives the total cost c of mailing a letter
erastovalidia [21]

Answer:

100ksjicbkqox8ns 83bdoznao2nr do g ciwjx

6 0
3 years ago
Makayla's car used 4 gallons to travel 148 miles. How many miles can the car go on one gallon of gas?
kirill115 [55]

Answer:

34

Step-by-step explanation:

184 divided bye 4

4 0
3 years ago
Read 2 more answers
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