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Nitella [24]
3 years ago
15

Mrs. Burch has 9 dimes and some quarters in her pocket. The value of her coins is $3.65. Which equation can be used to find the

number of quarters, q, Mrs. Burch has in her pocket?

Mathematics
1 answer:
ddd [48]3 years ago
6 0
I believe it’s the 3rd one
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allsm [11]

Answer:

Concurrent as my perception

3 0
3 years ago
One sign lights up every 10 seconds. One sign lights up every 12 seconds. If they have just lit up at the same time, how many se
andrew11 [14]

Answer:

It will take 60 seconds for the signs to light up at the same time again.

Step-by-step explanation:

Given:

One sign lights up every 10 seconds

One sign lights up every 12 seconds

They have just lit up at the same time.

To find in how many seconds will it take for the signs to light up at the same time again.

Solution:

In order to find the time in seconds will it take for the signs to light up at the same time again, we need to find the least common multiple of the the times for which the given signs light up.

The numbers are 10 and 12.

To find the LCM, we will list the multiples of each and check the least common multiple.

The multiples of 10 and 12 are :

10\rightarrow 10,20,30,40,50,60,70

12\rightarrow 12,24,36,48,60

thus, we can see that 60 is the least common multiple.

Thus, the signs will light up at the same time time after every 60 seconds.

7 0
3 years ago
Solve the following system of equations graphically on the set of axes below.
Kitty [74]

Answer:

77

Step-by-step explanation:

8 0
3 years ago
Kara works at a fine jewelry store and earns commission on her total sales for the week. Her weekly paycheck is $6,500 including
abruzzese [7]

Answer:12.2%

Step-by-step explanation:

Her total paycheck minus her salary = the commission amount

So

6500 - 1000 = 5500

So....her commission as a percentage of sales  = 5500/ 45000 = about 12.2%

5 0
3 years ago
A scuba diver dove from the surface of the ocean to an elevation of −49 9/10 feet at a rate of −11.1 feet per minute. After spen
Norma-Jean [14]
Descent time: 4.25 min
hover time: 12.75 min
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6 0
2 years ago
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