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lubasha [3.4K]
1 year ago
8

Marta runs a race against her best friend Markesha. Marta

Mathematics
1 answer:
Westkost [7]1 year ago
6 0

Markesha because in the information in the text it appears that Eya runs 4 miles in 0.5 hours, that is, I want to get to the end that Markesha would beat Marta

because if you run 4 miles for 0.5 hours you would be reaching the finish line in less than 10 minutes

You might be interested in
How do the two interger chip models show that -9-(-4) is the same as -9+4?
natali 33 [55]

Answer:

Two negatives together get a positive

Step-by-step explanation:

-9-(-4)

-(-4)

+4

8 0
3 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
Which is more, 7,037 yards or 4 miles
balandron [24]
4 miles are about 7040 yards so they are very close but a mile is longer.
8 0
2 years ago
Helpppp please any answers
hoa [83]

Step-by-step explanation:

2 + 3 × 6 + 4 × 3

Here, Parantheses should be put,

<u>(2 + 3) </u>× 6 + 4 × 3. (P.E.D.M.A.S) ( First Parantheses)

= 5 × 6 + 4 × 3 (Then multiplication)

= 30 + 12. (At last addition)

= 42

7 0
2 years ago
What is 3 3/4 + 2 1/2
Nadya [2.5K]
6 1/4 :) Is this correct?

5 0
3 years ago
Read 2 more answers
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