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3 years ago

What is the decimal equivalent of 8/12

Mathematics

1 answer:

beks73 [17]3 years ago

4 0

Answer:

0.666 repetitive, or 0.67

Step-by-step explanation:

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Izumi is running on a quarter-mile oval track. After running 110 yards, his coach records his time as 16 seconds.

pickupchik [31]

Answer:

14.04 miles per hour

Step-by-step explanation:

The problem is asking for Izumi's speed. The formula of speed is:

s = $\frac{d}{t}$ , where "s" means speed, "d" means distance and "t" means time.

The problem is also asking for the unit miles per hour ( $\frac{miles}{hour}$ ) so, this means that we have to know how many miles Izumi ran, given that the problem only mentioned yards (110 yards).

Let's convert 110 yards to miles, provided that he Izumi ran 1,760 yards in a mile.

110 yards ÷ 1760 $\frac{yards}{mile}$ = 0.0625 miles (this is the distance covered by Izumi in miles)

Let's go back again to the formula: s = $\frac{d}{t}$

s = $\frac{0.0625 miles}{16 seconds}$ = 0.0039 $\frac{miles}{sec}$

Since, the we arrived at a miles per second unit, we have to convert it to miles per hour.

So, if a minute has 60 seconds, then an hour has 3,600 seconds.

Thus, 0.0039 $\frac{miles}{sec}$ × 3,600 $\frac{seconds}{hour}$ = 14.04 miles per hour (the answer)

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=%20%5Cpi%20%20x%5E%7B4%7D%20%2C%20%5Cpi%20%20x%5E%7B6%7D%20%2C%20%5Cpi%20%20x%5E%7B8%7D%20%2C%

Tomtit [17]

Im barely in 7th grade wat us th is

7 0

3 years ago

Reduce the fraction

Doss [256]

Answer:

3/5

Step-by-step explanation:

72/2 =36

120/2 =60

=36/60

36/2 = 18

60/2 = 30

=18/30

18/2=9

30/2 =15

= 9/15

9/3=3

15/3 =5

= 3/5

5 0

3 years ago

About 13 out of 20 homes have a personal computer. On a street with 60 homes, how many would you expect to have a personal compu

Aleks04 [339]

This can be solved using a ratio. The ratio is: 13/20=x/60 this would then become 20x= 780 divide both sides by 20 and you get x=39. the answer is 39

5 0

3 years ago

Read 2 more answers

Graph and solve the system Y=-3x+3 Y=2x-7

guajiro [1.7K]

An equation of the form y=ax+b, where a and b are constants; y and x are variable, is called a linear equation.

They are called "linear" because if we draw all the solutions of such an equation, they form a line.

This also means that it is enough to:

1. find to solutions
2. plot them on the coordinate axis
3.join those 2 points

and all the solutions of the equation y=ax+b will be on that line.

Thus, to draw line y=-3x+3

let x=0, then y=3, so one solution is (0, 3)

let y=0, then x=1 so a second solution is (1, 0)

(remark we can pick x or y to be any value, then solve for the other)

to draw the second line y=2x-7

let x=0, then y=-7
let x=3, then y=-1

plot these points and join them as shown in the picture.

The solution of the system is the point where the lines intersect, which is
(2, -3)

8 0

3 years ago

Read 2 more answers