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kap26 [50]
3 years ago
10

Megan and Kate decided to race their bikes. If Megan can ride at 12 mph and Kate can ride at 16 mph, how long until they are 1 1

/2 miles apart?
Mathematics
1 answer:
Shkiper50 [21]3 years ago
6 0
You would have to use an equation. The equation should be 12n+16n=1.5 When you found your answer, you should then use that decimal amount to "times" one hour to get the time. I am pretty sure that this is correct.
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Use​ Gauss's approach to find the following sums​ (do not use​ formulas). 1+3+5+7+...999
muminat
S=1+3+5+\cdots+995+997+999
S=999+997+995+\cdots+5+3+1
\implies 2S=(1+999)+(3+997)+(5+995)+\cdots+(995+5)+(997+3)+(999+1)

2S=\underbrace{1000+1000+\cdots+1000+1000}_{500\text{ times}}

(We are adding 500 instances of 1000 because that's how many odd numbers there are between 1 and 1000, inclusive.)

2S=500\times1000=500000
\implies S=250000
4 0
4 years ago
15. Sonny has $75 to spend. The purchase he wants to make requires
7nadin3 [17]

If he has $75 and need $93 to make the purchase, he needs to find the difference between what he needs and what he has:

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3 0
3 years ago
Read 2 more answers
The sum of 4 twelves and 7 sixteens
dolphi86 [110]

Answer: 160

Step-by-step explanation:

So here they are telling you that there are 4 twelves, a.k.a 4 groups of 12. Which means that you have to multiply 4 x 12 = 48

Then there are 7 sixteens, a.k.a 7 groups of 16.

Which also means that you have to multiply 7 x 16 = 112

Add both numbers and there you have your answer!

I hope you found my answer helpful! :)

8 0
3 years ago
What is the answer to 3k=−2(7+2k)
laiz [17]
I think k equals negative 2, or -2.<span>
</span>
7 0
4 years ago
Read 2 more answers
Karl uses 8 whole square tiles and 8 half square tiles to make a mosaic. What is the area of his mosaic?​
trapecia [35]

Answer:

48

Step-by-step explanation:

8 squares=32

8 half squares=16

32+16=48

There are 4 sides to a 8 whole squares 8*4=32

There a 2 sides to 8 half squares 8*2=16

8 0
3 years ago
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