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kolezko [41]
3 years ago
5

An athlete runs 8 miles in 50 minutes on a treadmill. At this rate, how long will it take the athlete to run 9 miles?

Mathematics
1 answer:
Snowcat [4.5K]3 years ago
5 0
I think it’s 56.25 mins
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Joe studied math for x minutes, and then studied Spanish for 20 minutes more than he studied math. He did this for 3 days in a r
never [62]

Answer:

x+20 * 3

Step-by-step explanation:

* represents a multiplication symbol

3 0
2 years ago
Mabel is comparing the prices of two car rental companies. Company A charges $35 per day and an additional $15 as service charge
olga_2 [115]
The answer to the question

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2 years ago
Triangle Q M N is shown. The length of Q M is 18, the length of M N is 17, and the length of Q N is 20. Law of cosines: a2 = b2
kvasek [131]

Answer:

53°

Step-by-step explanation:

17² = 18² + 20² - 2(18)(20) cos Q

289 = 324 + 400 - 720 cos Q

289 = 724 - 720 cos Q

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3 years ago
You are remodeling your kitchen. You've contacted two tiling companies who gladly told you how long it took their workers to til
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The answer is 7x = 6(x + 15)

x - Jim's rate
y - Pete's rate
<span>Jim completed half the floor in 7 hours:  7x = half of the floor
</span><span>Pete completed the other half of the floor in 6 hours:    6y = half of the floor
So: 7x = 6y

</span><span>Pete can lay 15 more tiles per hour than Jim: y = x + 15

</span>7x = 6y
y = x + 15

Substitute the second equation into the first one:
7x = 6(x + 15)
6 0
3 years ago
The ratio of the number of hippos to the number of crocodiles at a watering hole is 4:3. If you draw a double number line diagra
devlian [24]

Answer: 26.67

Step-by-step explanation: multiply 20 and 4/3

4 0
3 years ago
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