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Irina-Kira [14]
3 years ago
14

The longest frontier between countries is between the u.s and Canada a distance of 3,987 miles how many weeks would it take some

one jogging at an average speed of 10 minutes per mile for 8 hours a day to jog the length of this frontier
Mathematics
1 answer:
Step2247 [10]3 years ago
8 0
10 mins = 1 miles
1 hour = 1 x 6 = 6 miles
8 hours = 6 x 8 = 48miles

The jogger could cover 48 miles a day.

3987 ÷ 48 = 83.06 days

It takes 83.06 days to jog the length of this frontier.

83.06 days ÷ 7 = 11.87 weeks = 12 weeks (round to the nearest whole number)

It takes 12 weeks to jog the length of this frontier.
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Theres 5 boxes of candle. One box has 16 candles Four boxes has 24 candles each How many candles do the five boxes have altogeth
algol13

Answer:

 112 candles

Step-by-step explanation:

We can simply add up the 5 numbers of candles, or we can take advantage of the invention of multiplication to replace repeated addition. The number of candles altogether is the sum of the numbers of candles in each of the 5 boxes.

  16 + 4×24 = 16 +96 = 112

The total number of candles is 112.

8 0
3 years ago
The price of apples went from $1.99 per lb to $3.19 per lb in four years. Find the rate of change of the price of apples.
Aneli [31]
The answer is A. add $0.30 to $1.99 four times and it comes out to $3.19. by adding .50, the total after four years comes to $3.99. add .80 four times, $5.19. add $1.10 four times and it comes to $6.39. you can also multiply the answer choices by 4 and then add $1.99 to get the same thing.
7 0
4 years ago
Read 2 more answers
Given f(x) =17 -x2 what is the average rate of change in f(x) over the interval [1,5]
Artist 52 [7]
By definition <span>the average rate of change is given by:
 </span>AVR =  \frac{f(x2) - f(x1)}{x2-x1}
 <span>We have the following function:
 </span>f(x) =17 - x^2
 We evaluate the function for the given interval:
 For X = 1:
 f(1) =17 - 1^2
 f(1) =17 - 1
 f(1) =16
 For X = 5:
 f(5) =17 - 5^2
 f(5) =17 - 25
 f(5) =-8
 Then, replacing values we have:
 AVR = \frac{-8 - 16}{5-1}
 AVR = \frac{-24}{4}
 AVR = -6
 Answer:
 <span>the average rate of change in f(x) over the interval [1,5] is:
 </span>AVR = -6


6 0
3 years ago
A cake is made from the ingredients listed below.
Oksana_A [137]

To make a cake :-

Quantity of flour needed = 500 g

Quantity of butter needed = 450 g

Quantity of sugar needed = 470 g

Quantity of mixed fruit needed = 1.8 kg = 1000 g + 800 g

Quantity of eggs needed = 70 × 4 = 280 g

It's weight after adding all the ingredients =

=500 + 450 + 470 + 1000 + 800 + 280

= 3500 g

Mass that got lost while baking the cake :

<h3>= 12 % of 3500 </h3>

= \frac{12}{100}  \: of \: 3500

=  \frac{12}{100}  \times 3500

=\frac{(12 \times 3500)}{100}

=\frac{42000}{100}  \: g

= 420 \: g

Final mass = Initial mass - mass that got lost

= 3500 - 420 \: g

= 3080 \: g

∴ The final mass of the cake is 3080 g .

5 0
3 years ago
What is the solution to the system of equations?
s344n2d4d5 [400]

Answer:

(3,2)

Step-by-step explanation:

Here's your given:

y = 4x - 10

y = 2

Because they both equal y, that means they equal each other:

2 = 4x - 10

Add 10 on both sides:

12 = 4x

Then, divide 4 on both sides:

3 = x

This represents the x coordinate.

Normally you would put this value into one of the equations to figure out y, but they already gave us that in the beginning:

y = 2

This represents the y coordinate.

Put the two values together to get: (3,2)

5 0
3 years ago
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