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maksim [4K]
3 years ago
5

Sam is practicing long track speed skating at an ice skating rink. The distance around the rink is 250 yards. He has skated arou

nd the rink 8 times so far.
How many more yards does he need to skate around the rink to complete 3 miles?
Mathematics
1 answer:
MakcuM [25]3 years ago
5 0
He needs to go 3280 more yards because there are 1760 yards in one mile and he has to do three miles so you multiple that by three to get 5280 yards in three miles. Sam has gone 2000 yards after 8 laps so you subtract the two to get 3280 more yards.
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<img src="https://tex.z-dn.net/?f=5x%5E%7B2%7D%2B%7Cx%2B1%7C%5C%20%5Ctextgreater%20%5C%200" id="TexFormula1" title="5x^{2}+|x+1|
Pavel [41]
5x² + |x+1| > 0
5x² + x + 1 > 0
x+1 > 0 because it came from absolute
5x² > 0 because it’s squared

When you try a number you should put it in the original equality
5x² + |x+1|
7 0
2 years ago
PLEASE help me with this question! This is really urgent! No nonsense answers please, and answer with full solutions!
juin [17]

Answer:0.80

Step-by-step explanation:please i don't really know how to explain this i am very sorry

7 0
3 years ago
Ms. Ball is applying for a credit card. The one she wants to get has a 7% annual interest rate, compounded semiannually, and cha
jeka94

Answer:

I need points

Step-by-step explanation:

4 0
2 years ago
The snooze buttonon your alarm clock activates the alarm every 5 minutes. The snooze button on your cell phone activates the ala
Tomtit [17]

Answer: 7:35 a. M

Step-by-step explanation:

Given that:

Snooze on alarm = 5 minutes

Snooze on cellphone = 7 minutes

If both activates at 7:00 a. M

Time at which both will activate again ;

Obtain the Lowest Common Multiple of 5 and 7

_5 __|5 ___|7

_7__ |1 ___|7

____ |1 ___| 1

Lowest common multiple = (5 * 7) = 35

Hence, both alarms will sound together again after 35 minutes = 7:00a.m + 35 minutes = 7:35 A. M

5 0
3 years ago
How much chromium-51 will be left after 7 months?
Makovka662 [10]

Answer:

It seems there's more information in you question that you haven't posted.

7 months = 7 * (365/12) = 213 days

The half-life of chromium 51 is 27.7 days.

After 7 months, chromium 51 will have undergone 7.69 half-lives.

To solve for the ending amount we'll use the formula:

Ending Amount = Beginning Amount / 2^n where 'n' = # of half-lives

We'll say the beginning amount =1

Ending Amount = 1 / 2^7.69

Ending Amount = 0.0048426082

Basicaly if you started with 1 gram of chromium 51, after 7 months you would have 0.0048426082 grams.

Source: https://www.1728.org/halflife.htm

Step-by-step explanation:

6 0
3 years ago
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