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Alexxandr [17]
4 years ago
12

Mr. Sonny's science class is calculating the average number of blinks per minute. Jan blinks 515 times in 5 minutes. What is her

blinking rate, in blinks per minute?
Mathematics
1 answer:
Lostsunrise [7]4 years ago
7 0
I would say a 103
because it the quotient you would get if you divided 515 by 5
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Is 24/3 its simplest form.
Dmitry [639]

Answer:

no

Step-by-step explanation:

you can further divide it into 24/3 to get 8

8 0
3 years ago
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Swimming Pool On a certain hot summer's day, 236 people used the public swimming pool. The daily prices are $1.50 for children a
forsale [732]

Answer:

Step-by-step explanation:

a+c=236\\ \\ a=236-c\\ \\ 1.5c+2.5a=525\\ \\ 1.5c+2.5(236-c)=525\\ \\ 1.5c-2.5c+590=525\\ \\ -c=-65\\ \\ c=65\\ \\ a=236-65\\ \\ a=171\\ \\ \text{So there were 171 adults and 65 children at the pool that day.}

7 0
3 years ago
Solve : |1/5x - 7 | =4
Mnenie [13.5K]

Answer:

x = 55 or x = 15

Step-by-step explanation:

Solve Absolute Value.

We know that either 1/5x - 7 = 4 or 1/5x - 7 = -4.

1/5x - 7 = 4

1/5x - 7 + 7 = 4 + 7

1/5x = 11

1/5x (5) = 11 (5)

x = 55 (one possibility)

1/5x - 7 = -4

1/5x - 7 + 7 = -4 + 7

1/5x = 3

1/5x (5) = 3 (5)

x = 15 (second possibility)

6 0
3 years ago
If i have a 78 for the year what can I make on my exam to pass
ludmilkaskok [199]
Anything above a 78.
8 0
3 years ago
In a 650g bag of mixed dried fruits, the ratio of mangos to apples to pears is 12:8:6 by mass. Determine the masses of the mango
Virty [35]

Answer:

mass of mangos = 300g

mass of apples = 200g

mass of pears = 150g

Step-by-step explanation:

lets first reduce the ratio

12:8:6

is the same as

6:4:3

this means the the denominator of our fractions will be 6 + 4 + 3 = 13

hence

mangos = 6/13 of 650g

6/13 * 650 = 300

apples = 4/13 of 650g

4/13 * 650 = 200

pears = 3/13 of 650g

3/13 * 650 = 150

7 0
3 years ago
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