3 years ago

If an airplane’s speed is 300 miles per hour, what is it’s speed in feet per second?

Mathematics

1 answer:

jonny [76]3 years ago

8 0

Answer:

B. 440 feet per second

Step-by-step explanation:

What you need to do is first convert miles to feet and then hours to seconds. Then you should be able to get the answer

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You put $400 in an account. The account earns $18 simple interest in nine months. What is the annual interest rate

chubhunter [2.5K]

Answer:

Step-by-step explanation:

Simple Interest formula:

S.I=P×R×T/100

where

S.I is simple interest

P is principle amount

R is Annual interest rate

T is time period

[usually represented as (number of months)/12]

$18=$400×R/100×9/12

simplify

$18=$3600R/1200

$18=$3R

so R=$18/$3

Therefore,

The Annual Interest Rate is 6%

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3 years ago

HELPP!! I report wrong answers!!

Zarrin [17]

A : 12+1.5x=26 :))))

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3 years ago

Analyze the data sets below. Which of the following statements are true?

Fed [463]

I do not see the statements.

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3 years ago

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What is the "k" value of the following function? Is it 3, -2, -3, or 2?

snow_tiger [21]

Answer:

-3

Step-by-step explanation:

we khow that the vertex form of a function is written this way :

f(x)=a(x-h)²+k

the coordinates of the vertex are (h,k) so from the graph we can deduce that k = -3

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3 years ago

Many credit card companies charge a compound interest rate of 1.8% per month on a credit card balance. Nelson owes $850 on a cre

Finger [1]

The sequence will be

$850, 850 \times (1.018)^1, 850 \times (1.018)^2, 850 \times (1.018)^3, 850 \times (1.018)^4, ...$

That's

$850, 865.30, 880.875, 896.731, 912.872, ...$

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3 years ago

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