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Blababa [14]
3 years ago
8

What speed would a plane average on a trip

Mathematics
1 answer:
AleksandrR [38]3 years ago
3 0

Answer:

B) 666.6 miles per hour

Step-by-step explanation:

To solve this question, divide the 4000 miles with the 6 hours to get an answer in units of X miles per hour.

4000 miles/6 hours = 666.6 miles per hour

You might be interested in
Which set of integers is a Pythagorean triple and are the side lengths of a right triangle?
m_a_m_a [10]

Answer: the integers that is a Pythagorean triple and are the side lengths of a right triangle is

C. 9, 40, 41

Step-by-step explanation:

A Pythagorean triple is a set of three numbers which satisfy the Pythagoras theorem. The Pythagoras theorem is expressed as

Hypotenuse^2 = opposite side^2 + adjacent side^2

Let us try each set of numbers.

A. 20,23,28

28^2 = 20^ + 23^2

784 = 400 + 529 = 929

Since both sides of the equation are not equal, the set of numbers is not a Pythagoras triple.

B. 18, 26, 44

44^2 = 18^ + 26^2

1936 = 324 + 676 = 1000

Since both sides of the equation are not equal, the set of numbers is not a Pythagoras triple.

C. 9, 40, 41

41^2 = 9^ + 40^2

1681 = 81 + 1600 = 1681

Since both sides of the equation are equal, the set of numbers is a Pythagoras triple.

D. 8, 20, 32

32^2 = 20^ + 8^2

1024 = 400 + 64 = 464

Since both sides of the equation are not equal, the set of numbers is not a Pythagoras triple.

7 0
3 years ago
In an effort to cut costs and improve profits, any US companies have been turning to outsourcing. In fact, according to Purchasi
tangare [24]

Answer:

Step-by-step explanation:

This is a binomial probability distribution because there re only 2 possible outcomes. It is either a surveyed company outsourced some part of their manufacturing process in the past two to three years. The probability of success, p would be that a randomly selected company x, outsourced some part of their manufacturing process in the past two to three years. From the information given, p = 54/100 = 0.54

Number of success, x = 338

Number of samples, n = 555

We want to determine the probability that 338 or more companies outsourced some part of their manufacturing process in the past two or three years which is expressed as

P(x ≥ 338)

From the binomial probability calculator,

P(x ≥ 338) = 0.0006

The percentage is 0.0006 × 100 = 0.06%

4 0
3 years ago
A money market fund advertises a simple interest rate of 88​%. Find the total amount received on an investment of ​$4000 for 15
Anna007 [38]
\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\\
P=\textit{original amount deposited}\to& \$4000\\
r=rate\to 88\%\to \frac{88}{100}\to &0.88\\
t=years\to \frac{15}{12}\to &\frac{5}{4}
\end{cases}
\\\\\\
I=4000\cdot 0.88\cdot \cfrac{5}{4}
6 0
3 years ago
Mathematical Q PRACTICE Use Number Sense A puppy weighs 12 ounces What fractional part of a pound is this A
Lisa [10]
Do 12/16 which equals 0.75
0.75 is equal to 3/4
so the answer is 3/4


Hope this helps!
8 0
3 years ago
Simplify the following expressions:<br> 4(4)-35-9(15) +8(3) - 45
nalin [4]

Answer:

the answer to this expression is -175

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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