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SCORPION-xisa [38]
3 years ago
15

two kids at a summer camp, Edward and Heather, are competing in a potato sack race. Edward is younger, so he is given a head sta

rt of 28 meters. when the race starts, Edward hops at a rate of 1 meter per second, and Heather hops 3 meters per second. eventually, Heather will over take Edward. How far will Heather have to hop? how long will that take?
Mathematics
2 answers:
torisob [31]3 years ago
7 0
Heather will have to hop 30 meters which will take her 10 seconds
Ber [7]3 years ago
6 0

Answer:

Come on this answer is easy

Step-by-step explanation:

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For every 1000 hits a YouTub channel gets it makes £3 from ad revenue.
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1,000 hits. 3£
1 hit. X
X= 1•3/1,000
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3 0
3 years ago
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A recipe that makes 4 servings calls for Two-thirds cup of flour. How much flour is required to make 20 servings?
Karo-lina-s [1.5K]

Answer:

8/3

Step-by-step explanation:

7 0
2 years ago
An author published a book which was being sold online. The first month the author sold 21000 books, but the sales were declinin
Wittaler [7]

Answer:  119,616

You may have to erase the comma when inputting the answer.

=======================================================

Explanation:

The author sells 21,000 books in the first month.

Then they sell 21,000*(1-0.12) = 21,000*(0.88) = 18,480 in the second month.

Then they sell 18,480*(1-0.12) = 18,480*(0.88) = 16,262.4 = 16,262 in the third month.

And so on. These values follow a geometric sequence with first term a = 21,000 and common ratio r = 0.88

We can think of the 0.88 as 88% of the original value (since losing 12%, we keep the remaining 88%)

-------------

Use the formula below to sum the first 9 terms of the geometric sequence

Plug in a = 21000 and r = 0.88

S_n = a*\frac{1-r^n}{1-r}\\\\S_9 = 21000*\frac{1-0.88^9}{1-0.88}\\\\S_9 \approx 21000*\frac{0.6835216}{0.12}\\\\S_9 \approx 21000*5.6960133\\\\S_9 \approx 119,616.2793\\\\S_9 \approx 119,616\\\\

The author sold about 119,616 books over the course of the first nine months.

4 0
2 years ago
If cos theta = 3/5 then tan theta =
algol13

Answer:

3 √5

Step-by-step explanation:

7 0
2 years ago
Find two postive numbers such that the ratio of the two numbers is 5 to 3 and the product of the two numbers is 540.
svet-max [94.6K]

Answer:

337.5 and also 202.5

Step-by-step explanation:

do 8x = 540 since 5 and 3 are in a ratio... so you get 5x plus 3x. Then you solve for x and get 67.5..67.5 times 3 is 202.5 and 67.5 times 5 is 337.5.

8 0
2 years ago
Read 2 more answers
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