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4 years ago

Explain how 8/10 and 80/100 are equivalent.

2 answers:

6 0

When dealing with fractions, it is important to realize that it is the quotient of the numerator and the denominator that matters. 8/10 is 0.8, and 80/100 is 0.8. if you multiply the 8/10 x 10/10, it becomes 80/100. likewise, if you reduce 80/100, it becomes 8/10.

faltersainse [42]4 years ago

5 0

The two fractions are equivalent as if you simplify 80/100 by dividing the top and bottom by 10 you get 8/10

Hope this helped :)

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A data set consists of the values 2, 6, 3, and 1. If we consider this a population (all the values available), the variance isA.

Hoochie [10]

Answer: E. none of the above

Step-by-step explanation:

The given data values that represents the population:

2, 6, 3, and 1.

Number of values : n=4

Mean of the data values = $\dfrac{\text{Sum of values}}{\text{No. of values}}$

$\dfrac{2+6+3+1}{4}=\dfrac{12}{4}=3$

Sum of the squares of the difference between each values and the mean =

$(2-3)^2+(6-3)^2+(3-3)^2+(1-3)^2$

$=-1^2+3^2+0^2+(-2)^2$

$=1+9+0+4=14$

Now , Variance = (Sum of the squares of the difference between each values and the mean ) ÷ (n)

= (14) ÷ (4)= 3.5

Hence, the variance is 3.5.

Therefore , the correct answer is "E. none of the above".

8 0

3 years ago

5x + 6 = 2(2x – 3) x= what

ddd [48]

Answer:

X equals to -12

Step-by-step explanation:

Just trust me

3 0

3 years ago

Read 2 more answers

Which expression is equivalent to line l-5l + l3l? -8 -2 2 8

Step2247 [10]

8 so D since -5 becomes a posit and then add 3

6 0

3 years ago

Read 2 more answers

A rectangular fish tank is 2m long, 1m wide and 1m deep. How many litres of water will it hold?

siniylev [52]

Answer:

2000 litres

Step-by-step explanation:

find the volume

v =2m×1m×1 m

= 2 m3

1m3 =1000litres

2m3=????

cross multiply

2m3 ×1000litres

1m3

Ans = 2000litres

3 0

3 years ago

as the earth revolves around the sun it travels at a speed of 18 miles per second. covert this speed to miles per minute at this

morpeh [17]

If we have the speed of 18 miles per second, 18miles/s
to find out what is the speed in 1 minute we will need to multiply 18 by 60, as there are 60 seconds in 1 minute
18 miles..............................1 second
?miles..................................60 seconds(1min)
18*60=1080 miles
we have 1080 miles/minute
in 2 minutes we have 1080*2=2160 miles
hope it helps

6 0

3 years ago