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ZanzabumX [31]
3 years ago
7

It took Jane 1 hour and 20 minutes to do her math homework while it took Ava just 45 minutes. Find the ratio of time it took Jan

e to do her homework to the time it took Ava to do hers.
Mathematics
1 answer:
Zinaida [17]3 years ago
7 0

Answer:

9:16

Step-by-step explanation:

so the ratio is 1hr 20min to 45 min which is the same as saying 80 min(because an hour is 60 min) to 45 min. now we simplify both by 5 to get 9:16

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888 divided by 8 and<br>574 divided by 7<br>​
Reil [10]

Answer:

111 & 82

Step-by-step explanation:

888/8=111

574/7=82

5 0
3 years ago
Read 2 more answers
Please help with number 39
mr Goodwill [35]

You want to find values of v (number of visors sold) and c (number of caps sold) that satisfy the equation

... 3v + 7c = 4480

In intercept form, this equation is

... v/(1493 1/3) + c/640 = 1 . . . . . divide by 4480

Among other things, this tells us one solution is

... (v, c) = (0, 640)

The least common multiple of 3 and 7 is 21, so decreasing the number of caps sold by some multiple of 3 and increasing the number of visors sold by that same multiple of 7 will result in another possible solution.

The largest multiple of 21 that is less than 4480 is 213. Another possible solution is (0 +213·7, 640 -213·3) = (1491, 1)

We can also pick some number in between, say using 100 as the multiple

... (0 +100·7, 640 -100·3) = (700, 340)

In summary, your three solutions could be

... (visors, caps) = (0, 640), (700, 340), (1491, 1)

7 0
3 years ago
Your mother buys a new mirror for your home. It has a radius of 32.5 centimeters
Mariana [72]
297.23 is the answer
6 0
3 years ago
A sea lion was swimming at 2 feet below sea level. The number line shows
Inessa [10]

Answer:

Start at zero, then go to the left two times, then go down eight more. The new location would be negative ten.

Step-by-step explanation:

6 0
2 years ago
Subtract 3x²-5x+7from5x²-7x+9​
alexgriva [62]

Answer:

2x^2-2x+9

Step-by-step explanation:

5x^2-7x+9-3x^2+5x\\=5x^2-3x^2-7x+5x+9\\= 2x^2-2x+9

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2 years ago
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