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Alisiya [41]
3 years ago
6

What are 3 fractions that are equal to 0.40

Mathematics
2 answers:
liraira [26]3 years ago
7 0
Well, there are an infinite amount...
1.) 2/5
2.) Multiply 2/5 by anything that equals 1... like 2/2. This will give you 4/10
3.) 6/15
4.) 8/20
etc...
Romashka-Z-Leto [24]3 years ago
7 0
4/ 10 , 40/ 100 , and 400/ 1000
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To estimate the number of people in Springfield, population 10,000, who have a swimming pool in their backyard, 250 people were
Andrei [34K]

Answer:

2400 people

Step-by-step explanation:

Let x be the number of people who had a swimming pool in the population of 10,000,

Thus, the ratio of people who had swimming pool to the total population = \frac{x}{10000}

Since, out of 250 people 60 had swimming pool,

So, the ratio of the people who had swimming pool to the total population = \frac{60}{250}

\because \frac{x}{10000}=\frac{60}{250}

\implies 250x=600000

\implies x=\frac{600000}{250}=2400

Hence, 2400 people in the city might one expect to have a swimming pool.

First option is correct.

8 0
3 years ago
As a real estate agent kensho earns 4.5% commission on the houses he sells in the first quarter of the year he sold two houses o
Natalka [10]
175000 / 100 = 1750  this step finds 1% of 175000
1750 x 4.5 = 7875  this step finds 4.5% of 175000
Commission for first house $7875
199000 / 100 = 1990  this step finds 1% of 199000
1990 x 4.5 = 8955  this step finds 4.5% of 199000
Commission for second house $8955
$7875 + $8955 = $16,830

Kensho's commission for this quarter is $16,830
4 0
3 years ago
Write an equation that represents the line.<br> Use exact numbers.
Greeley [361]

Answer:

Step-by-step explanation:

it is hard to know exactly by eye balling the graph  I can't dissern the y intercept it might be 4.5 but it could be 4.33, but it looks for sure like the x intercept equals 6 but does it

the dots on the line are at (-2, -6) and (2, 3)  so we can find the slope m

in the y = mx + b line equation   b is the y intercept

m = Δy/Δx     =  (y1 - y2) / (x1 - x2)

                     =  (-6 - -3) /  (-2 - 2)

                     =     -3 / -4

                 m = 3/4

       y = 3x/4  +  y intercept     which i can't dissern (read directly from the

                                                  graph, but we believe y = 0   when x is six

       0 = 3(6)/4  + y intercept

       

       -18/4 = 18/4 -18/4  + y intercept

        -9/2 = y intercept

        -4.5 = y intercept

   y = 3x/4 - 9/2          i think exact number means NO FRACTIONS but that is whole number so let me gaggle it  What are exact numbers?  Gaggle indicates exact numbers are integers   example  3 ft in a yard 12 eggs in a dozen

    y = 3x/4 - 9/2               multiple both sides by 4

   4y = 3x  - 36/2

   4y = 3x - 18    <------------------  FINAL ANSWER

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3 years ago
What is the solution to this system of equations
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Describe how the number sentences in each exercise are related
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Can you show picture of sentences
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