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2 years ago

The change in the value of a stock is represented by the rational number -5.90 describe in words what this means

Mathematics

1 answer:

xxMikexx [17]2 years ago

3 0

We are given : A stock is represented by -5.90.

The given number is a negative number.

Note: When a stock is given by a negative number, it represents the decrease in stock and when a stock is given by a positive number, it represents the increase in stock.

As we are given number is a negative number, we can just say that

" The stock value is being decrease by 5.90".

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The quotient of 9.2 x 10 6 and 2.3 x 10 2 expressed in scientific notation is

Virty [35]

What we know:
quotient 9.2 x 10^6/ 2.3 x 10²
in quotients exponents are subtracted of they have the same base, for example 10^6 and 10² have the same base of 10

What we need to find: quotient 9.2 x 10^6/ 2.3 x 10²
9.2 x 10^6
-------------- = 4 x 10^4
2.3 x 10²

Here in this problem I divided 9.2 by 2.3 and got 4, since the solution was simple and clean meaning no repeated decimals I went ahead and divided the 10^6 by 10^2 and got 10^4.

Another method would be to expand both numbers then divide and do scientific notation again.
Remember to change to normal notation you move the decimal to the right using the number of the exponent.

9.2 x 10^6= 9200000
2.3 x 10²= 230

920000/230=40000

40000= 4 x 10^4 scientific notation

Use the method that is best for you or just know you can use either method to check your work.

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2 years ago

A family travels 513 miles in 7.2 hours. How many miles did they travel in one hour?

nignag [31]

Answer:

71.25 mph

Step-by-step explanation:

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2 years ago

Orin solved an equation and justified his steps as shown in the table.

sergij07 [2.7K]

Answer:

Step-by-step explanation:

Given the equation as

$\frac{3x}{5} -3=12$

apply multiplication property of equality where you multiply every term by 5

$\frac{3x}{5}*5 -3*5=12*5$

3x-15=60------------------apply addition property of equality

3x-15+15=60+15

3x=75--------------------------appy division property of equality by dividing both sides by 3

3x/3=75/3

x=25

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2 years ago

Kirsty counts the number of peas in a sample of pea pods

RoseWind [281]

Mode is most occurring

There is no mode for the peas as there is no score occurring more than once

Median is middle number

So cross of 4 and 5, and 7 and 8

Median is 6

Mean is average

4+5+6+7+8 divided by five

Mean is 6

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2 years ago

Read 2 more answers

The two circles shown above have radii of 8 in. and 4 in. What is the Circumference of the both?

Dmitry [639]

Circumference of Circle 1 is 50.24 inches and Circumference of Circle 2 is 25.12 inches

Step-by-step explanation:

Radius of circle 1 = 8 inches

Radius of circle 2 = 4 inches

We need to find circumference of both circles.

The formula used to find the value of circumference is:

$Circumference=2\pi r$