A car travels 100 miles in 4 hours. What is the average speed?

Mathematics

2 answers:

irina1246 [14]4 years ago

7 0

100 miles / 4 hours

(divide each side by 4)

25 miles / hour

leonid [27]4 years ago

7 0

100miles an hour 4 hours
100/4=25
25 mph

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You have 17 coins in pennies, nickels, and dimes in your pocket. The value of the coins is $0.47. There are four times the numbe

Anettt [7]

12 pennies, 3 nickles, and 2 dimes

p = number of pennies
n = number of nickles
d = number of dimes
p(1) + n(5) + d(10) = 47
that is, the number of pennies x 1 cent + number nickles x 5 cents
+ number of dimes x ten cents equals 47 cents
p = 4n
p + n + d = 17
Substituting 4n for p in the above
4n + n + d = 17
5n + d = 17
Subtract 5n from each side
d = 17 - 5n
We will now substitute 4n for p and ( 17-5n ) for d in
the equation
p(1) + n(5) + d(10) = 47
4n(1) +n(5) + (17-5n)(10) = 47

9n + 170 - 50n = 47
-41n + 170 = 47
Subtract 170 from each side
-41n = 47 - 170
-41n = -123
Divide each side by -41
n = 3
Since p = 4n
p = 4(3)
p = 12
Since p + n + d = 17
12 + 3 + d = 17
15 + d = 17
d = 2
So we have 12 pennies, 3 nickles and 2 dimes
12 + 3(5) + 2(10) ?= 47
12 + 15 + 20 ?= 47

3 0

4 years ago

Verona goes to a business that offers tax refund anticipation loans because she really wants to get her money right now and not

natulia [17]

The annual percentage rate on the loan is 321%

<h3>Calculations and Parameters:</h3>

Using this formula

Annual percentage rate=(Fees/Refund)×(Numbers of days in a year/ Term of loan)

Annual percentage rate=(130/985)×(365 days/15 days)

Annual percentage rate=0.1319797×24.333×100

Annual percentage rate=321%

Therefore, the correct answer is option D.