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satela [25.4K]
3 years ago
5

mrs mccarthy runs 6 laps a day on monday wednesdays and fridays. she does yoga on tuesdays and thursdays for 45 minutes. how man

y laps does she runs in 10 weeks? write an equation to solve
Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
8 0
The answer is 180 because 6 x 3=18 and 18x10=180
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What is the sum of the first 100 terms of the sequence 4,9,14,19, ...?
Nadya [2.5K]

Answer:

25150

Step-by-step explanation:

First, we have to see that this is an arithmetic sequence... since to get the next element we add 5 to it.  (a geometric sequence would be a multiplication, not an addition)

So, we have a, the first term (a = 4), and we have the difference between each term (d = 5), and we want to find the SUM of the first 100 terms.

To do this without spending hours writing them down, we can use this formula:

S = \frac{n}{2} * (2a + (n - 1) * d)

If we plug in our values, we have:

S = \frac{100}{2} * (2 * 4 + (100 - 1) * 5) = 50 * (8 + 99 * 5)

S = 50 * (8 + 495) = 50 * 503 = 25150

8 0
3 years ago
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Give an example of two numbers that are both 6-digit numbers,but the greater number is Determined by the hundreds place
VMariaS [17]

perhaps 300,900 and 300,400 ?

5 0
3 years ago
A helicopter hovers at 1000 feet in the air
Westkost [7]

Answer:

That’s a good helicopter

Step-by-step explanation:

6 0
2 years ago
In the 1970s, due to world events, there was a gasoline shortage in the United States. There were often long lines of cars waiti
Wittaler [7]

Answer:

A line of cars will be about 9650000 feet

Step-by-step explanation:

Simple:

9.65*1,000,000=9650000

Hope this Helps!

Stay Safe!

6 0
3 years ago
I NEED HELP PLEASE, THANKS! :)
Harman [31]

Answer:

7i + 11j

Step-by-step explanation:

DE = 8i + 6j - i + 5j

     = 7i + 11j

5 0
3 years ago
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