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3 years ago

I need help with these two questions please:) I need the answers fast ! Please and Thank You

Mathematics

1 answer:

Valentin [98]3 years ago

4 0

Answer:

#1 is 9 times 10^15

#2 is 3 times 10^8

Step-by-step explanation:

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In the diagram below, points A and B represent two airplanes. How far apart are the airplanes?

AleksAgata [21]

Using the Law of Cosines:

d= √(840^2 + 800^2 - 2*840*800*cos(105))

d = √1693452.796

d = 1301 miles.

The answer is B.

7 0

3 years ago

Please help explanation if possible

Vilka [71]

Answer:

Number of years between 1950 and 2100 =

$2100 - 1950 = 150 \: years$

150 = 50 + 50 + 50 years.

$2500000 \times 150 = 375,000,000$

So, total population in 2100 is 375,000,000.

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3 years ago

Karl drove 619.5 miles. For each gallon of gas, the car can travel 41 miles. What is a reasonable estimate of the number of gall

dusya [7]

Answer:

Step-by-step explanation:

Calculation for What is a reasonable estimate of the number of gallons of gas Karl used

Estimated number of gallons used=619.5 miles/41 miles

Estimated number of gallons used=15

Therefore the reasonable estimate of the number of gallons of gas Karl used is 15

6 0

3 years ago

Juan invested $100 in a savings account the earns 5% annually. The value, A, of the investment can be calculated using the equat

Karolina [17]

Answer:

$110.25

Step-by-step explanation:

Step one:

given

principal= $100

rate= 5%

time = 2 years

Required

The final amount

Step two:

The compound interest formula is

$A=p(1+r)^t$

substituting we have

$A=100(1+0.05)^2\\\\A=100(1.05)^2\\\\A=100*1.1025\\\\A=110.25\\\\$

The final amount is $110.25

6 0

3 years ago

3. Miley bought 4 oranges, 3 apples and 7 pears. What is the ratio

pogonyaev

7:14 or simplified 1:2 (use simplified)
Find total amount of fruit by adding
4+7+3=14
7 pears to 14 total fruits in ratio form is 7:14 which simplifies to 1:2

7 0

2 years ago

Read 2 more answers