How do you explain how you convert a decimal?

Answers

Answer 1

Answer: For example if we have 7/10 we have one 0 in the denominator so we move the decimal spot 1 to the left

So:
7.0 becomes 0.70 or .7

To make a decimal into a fraction:

0.32

Just add two zeros to the right and that means 2 0's will be added in the denominator
so:

0.32
32.0/100 or 32/100

Hope that helps :)

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I'M GIVING THE FIRST 2 PEOPLE WHO ANSWER 10 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!WHO EVER ANSWER THIS QUESTION RIGHT.WHAT IS THE SQUARE ROOT OF PIE?
What is a rational number between 9.5 and 9.7 and why is it
Mr grant need 30 pieces of felt .he can buy them in packs of 10 or single pieces.what are the different ways mr.grant can buy the felt?
The population of a town was 89,443 in 1990 and then has increased at a rate of 0.6% per year since then. Which function represents the town's population t years after 1990?

A line contains (4,2) and (0,1) what is the equation of the line

Answers

First we need to find the slope of the line.

$Slope = (y_2-y_1)/(x_2-x_1) = (2 - 1)/(4-0) = (1)/(4)$

Our equation of the line will be in the form of y = mx + b, where m is the slope and b is the y-intercept.

We have found the slope. All we need to find is the y-intercept. Luckily, they gave us the y-intercept!

The y-intercept can be found when x = 0. And one point they gave us is (0,1). That means the y-intercept is 1.

The equation of the line is

$y = (1)/(4)x + 1$

When you need the equation of a line, you need to find the slope (m) and the y-intercept (b). the slope is fairly easy to find, we simply find the second y- the first y divided by the difference of the second x and the first x. this will look like
(1-2)/(0-4)= 1/4. that is our slope. next we need to find the y-intercept, that is when x=0. for this problem we are actually given it with the second point (0,1) that means our y-intercept is 1. now we have the everything we need for the equation y=mx+b. we know that m=1/4 and b=1, so we can plug that in and get y=1/4x+1

Pipe A can fill a swimming pool in 12 h. Working with another Pipe B, it only takes 3h How long would it take Pipe B working alone to fill the pool

Answers

My guess is 9 hours, because since pipe a takes 12 hours and with pipe b it takes 9, it's 12-9=3 I think.

A store has thirty-five sodas, which is seven times the number of regular sodas they have. How many regular sodas do they have?

Answers

35/7=5, so 5 regular sodas

5 regular sodas 35 divided by 7=5

A ski shop has a markup rate of 50%. find the selling price of skis that cost the storeowner $300

Answers

So if the store owner Bought the skis for 300 dollars we need to find the original price of the skis before they were marked up 50%. So we need to divide this by three. 300÷3=100 so we have 3 100s now we know that 50% of 200 is 100 so the original price would be $200 Hope this helps!!!

a teacher asked 3 pupils to choose any 2 digit number square it and then find the remainder after dividing the result by 7. Doris got 6 Marie got 4, Horace got 3. Two of the pupils made a mistake. Why?

Answers

First write out all the two digit square numbers

4² = 16
5² = 25
6² = 36
7² = 49
8² = 64
9² = 81

Next divide all of them by 7

16/7 = 2 2/7 or 2 and 2 remainders
25/7 = 3 4/7 or 3 and 4 remainders
36/7 = 5 1/7 or 5 and 1 remainder
49/7 = 7
64/7 = 9 1/7 or 9 and 1 remainder
81/7 = 11 4/7 or 11 and 4 remainders

This tells us that the only possible remainders for a two digit square number divided by 7 are 1, 2 and 4
If Doris got 6 and Horace got 3, they must have made a mistake.

If 2x - 1 = 6, what is the value of 4x^2 - 1