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Butoxors [25]
3 years ago
7

Two airplanes left the same airport and arrived at the same destination at the same time. The first airplane left at 8:00 a.m. a

nd traveled at an average rate of 496 mph. The second airplane left at 8:30 a.m. and traveled at an average rate of 558 mph. How many hours did it take the first plane to travel to the destination? Let x represent the number of hours that the first plane traveled. Enter an equation that can be used to solve this problem in the first box. Solve for x and enter the number of hours in the second box.
Mathematics
1 answer:
lubasha [3.4K]3 years ago
8 0
Did you ever find out the answer?

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The city of Raleigh has 11100 registered voters. There are two candidates for city council in an upcoming election: Brown and Fe
kozerog [31]

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3 0
3 years ago
Scateboard cost Rs450each in my local store,The shop keeper says if I buy 1 I can buyanother for only 7/9 of the normal price,ho
Whitepunk [10]

Answer:

the cost will be Rs 350

Step-by-step explanation:

The Scateboard cost Rs 450 each in the local store,The shop keeper says if I buy 1 I can buy another for only \frac{7}{9} of the normal price. We are asked to determine the cost of a second scateboard .

Hence the cost will be \frac{7}{9} of the normal cost that is

\frac{7}{9} \times 450

7 \times 50

350

the cost will be Rs 350

6 0
3 years ago
last month john spent 75.00 dollars on games. this month he only spent 63.00. he spent ___ percent less this month
aivan3 [116]
First, subtract 63 from 75 to find out how much it decreased. 
75 - 63 = 12 
Divide 12 by 75. 
12 / 75 = 0.16
In percents, that is 16%. 
He spent 16% less this month. 
Hope this helps!
3 0
3 years ago
Read 2 more answers
the distribution of heights of adult American men is approximately normal with mean 68 in and a standard deviation of 2.5 in wha
melamori03 [73]

Let x be a random variable representing the heights of adult American men. Since it is normally distributed and the population mean and standard deviation are known, we would apply the formula,

z = (x - mean)/Standard deviation

From the information given,

mean = 68

standard deviation = 2.5

The probability that the height of a selected adult is between 63 and 73 is expressed as

P(68\leq x\leq73)

For x = 63,

z = (63 - 68)/2.5 = -2

Looking at the normal distribution table, the probability corresponding to the z score is 0.02275

For x = 73,

z = (73 - 68)/2.5 = 2

Looking at the normal distribution table, the probability corresponding to the z score is 0.97725

Therefore,

P(68\text{ }\leq x\leq73)\text{ = 0.97725 - 0.0}2275\text{ = 0}.9545

Thus, the percentage of men are between 63 and 73 is

0.9545 * 100 = 95.45%

Rounding up to the nearest percentage, the answer is 95%

8 0
11 months ago
HELP PLEASEEEEEEEEEEEEEE
vazorg [7]

Answer:

-2/4,  8/40, 21/30, 9, 9 20/25

Step-by-step explanation:

9/20/25 is a bit greater than 9.

21/30 is 9 away from a whole 8/40 is 32 away from 40 -2/4 is way less because its on the negative side which is like so far away from the other numbers.

7 0
3 years ago
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