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svp
26 days ago
12

FOR 90 POINTS!!! PLEASE HELP!!! I'M STUCK ON THIS!

Mathematics
2 answers:
Svet_ta [12.7K]26 days ago
7 0
(a) y = -7/5x + 17.8 (b) This indicates a daily decrease of 7/5.
zzz [12.3K]26 days ago
5 0
A = y = -7/5x + 17.8 B = It decreased by 7/5 each day.
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a kayak travels in a lake at an average speed of 35m/min. if the perimeter of a lake was 8400 m how many hours does it take for
Inessa [12570]

Answer:

I believe it takes 4 hours

Step-by-step explanation:

8400m ÷ 35m = 240 mins

240 mins = 4 hours

6 0
17 days ago
To get the best deal on a microwave oven, Jeremy called six appliance stores and asked the cost of a specific model. The prices
babunello [11817]

Answer:

Step-by-step explanation:

The prices he received quotes for are as follows: $663, $273, $410, $622, $174, $374

To begin, we will find the average.

Average = total of data points/ number of data points.

Total of data points =

663 + 273 + 410 + 622 + 174 + 374

= 2516

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Average = 2516/6 = 419.33

Standard deviation = √summation(x - m)^2/n

summation(x - m)^2/n = (663 - 419.33)^2 + (273 - 419.33)^2 + (410 - 419.33)^2 + (622 - 419.33)^2 + (174 - 419.33)^2 + (374 - 419.33)^2

= 179417.9334/6 = 29902.9889

Standard deviation = √29902.9889

= 172.9

6 0
9 days ago
Jay is letting her bread dough rise. After three hours, her bread dough is \dfrac{11}{5} 5 11 ​ start fraction, 11, divided by,
babunello [11817]
Jay's bread has risen to 220% of its initial size. The question, as it stands, is incomplete. What is missing would clarify: Jay's bread increases to 11/5 of its original size after three hours. To determine the percentage of its original size: New bread size = units when dough is at 11/5 of its original size.
6 0
19 days ago
Two steamers leave a port on a river at the same time, traveling in opposite directions. Each is traveling 22 miles per hour. Ho
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After 1 hour >> 44 miles apart
after 2 hours >> 88 miles apart
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Two and a half hours
4 0
28 days ago
Read 2 more answers
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3 0
11 days ago
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