What is three and seven eights as an improper fraction

Answers

Answer 1

Answer: well 3 x 8 = 24 + 7 = 31 so 31/8

Answer 2

Answer: The answer is 31/8 because 8 X 3 is 24 then you add 7 to 24.

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0.30.210.4 0.370.5
A ceramic artist can shape a pot in 3 minutes. It takes 10 minutes to fire one batch of pots in the kiln. If there are p pots in a batch, which expression represents the time it takes to shape and fire one batch of pots? How long will it take the potter to form and fire a batch of 10 pots?The expression is 3p. It takes 30 minutes to shape and fire 10 pots. The expression is 3p − 10. It takes 20 minutes to shape and fire 10 pots. The expression is 3(p + 10). It takes 60 minutes to shape and fire 10 pots. The expression is 3p + 10. It takes 40 minutes to shape and fire 10 pots.
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What is the slope of the line through the points (9,2) (9,2) and (4,10)

Answers

Answer:

8/-5

Step-by-step explanation:

Slope= y2-y1/x2-x1

(10-2)/(4-9)

8/-5

Which is greater 8/10 or 63/100 ?

Answers

8/10 is greater than 63/100, it is grater because when u change them into a percentage 8/10 is higher

What is the answer for number 15 16 17

Answers

15.

6 pachages
each pcage has 30
6*30=180 total

17 left over
how many used
used=total-left over
used=180-17
used=163

16. xy is 2 digit number
multiplules of 10 (whole multipules) always end with 0 so y=0

and has 3 as one of its factors
factors of 3 is 3,6,9,12
30,60,90 is answer

17.
30 in 9 parks
30 times 9
30=10 times 3
3*10*9
group the 3 and 9
10*(3*9)
3*9=27
10*(27)
270

15. 163
16. 30,60,90
17. see above, 270

a charter bus travels 210 miles in 3 1/2 hours. assume the distance traveled is directly proportional to the time traveled. write and solve a direct variation equation to find how far the bus travel in 6 hours.

Answers

The constant of variation is 60 miles.

Direct variation formula: y = kx

y = 210
x = 3 1/2 miles
k = ?

k = y/x
k = 210 / 3 1/2 miles

*convert mixed fraction into a simple fraction
3 1/2 = (3*2+1)/2 = 7/2
k = 210 ÷ 7/2

Remember the rule of dividing fractions: multiply the 1st fraction by the reciprocal of the 2nd fraction.
1st fraction = 210 ⇒ 210/1
2nd fraction = 7/2 ⇒ reciprocal = 2/7

k = 210/1 * 2/7 = (210*2)/(1*7) = 420/7 = 60

The constant of variation is 60 miles.

To check:
y = kx
y = 60 (3.5)
y = 210 miles

We set up an equation: 210 miles/ (3 1/2 hours)= ? miles/ 6 hours

Cross multiply:
? miles* 3 1/2 hours= 210 miles* 6 hours
⇒ ? miles= 210 miles* 6 hours/ (3 1/2 hours)= 360 miles.

The bus would travel 360 miles in 6 hours~

Luke has 25 units of fencing which is the largest rectangle for which he can use the fencing?

Answers

The perimeter of Rectangle should be equal to 25 units as the length of fence is 25 units.
So here is one example,
length of rectangle is 10 units and width is 2.5 units and perimeter is 2×(l+b)
=> 2×(10+2.5)
=> 2×12.5
=> 25 units.

HELP PLEASE!!!!!! I need help on 5. My answer was wrong. THIS IS DUE TOMORROW. 25 points for this.

Answers

Answer:

Step-by-step explanation:

Because side BD is similar to side BA

triangle BCD seems to be double the size of triangle BAD

By finding the side lengths of the missing sides BC and CD you can get the perimeter.

Because we know the triangle is double the size you can double the lengths of AD and BD to get 24 and 18, if you add 6,9,24, and 18. You will get 57.

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Sabrina is using an online calculator to calculate the outputs f(n) for different inputs n. The ordered pairs below show Sabrina's inputs and the corresponding outputs displayed by the calculator: (1,6), (2,11), (3,16), (4,21)Which of the following functions best represents the rule that the calculator used to display the outputs? A) f(n)= 5n-1B) f(n)= 5n+1C) f(n)= 4n+3D) f(n)= 4n-3

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What is the cost of an item with a sales tax of 108