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Nutka1998 [239]
2 years ago
9

The ratio of blue marbles to white marbles Simran's bag is equal to 1 to 2. If there are 20 blue marbles how many white marbles

are there?
Mathematics
1 answer:
Nastasia [14]2 years ago
6 0
There are 40 white marbles.
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Rewrite the equation below so that it does not have fractions.
bearhunter [10]

Answer:

60+10x=6

Step-by-step explanation:

Hi there!

4+\displaystyle \frac{2}{3} x=\frac{2}{5}

To get rid of the fraction \displaystyle \frac{2}{3}, multiply both sides of the equation by 3 (the denominator):

3(4+\displaystyle \frac{2}{3} x)=3(\frac{2}{5})\\\\3*4+\frac{3*2}{3}x =\frac{3*2}{5} \\\\12+2x =\frac{6}{5}

To get rid of the fraction \displaystyle \frac{6}{5}, multiply both sides of the equation by 5 (the denominator):

\displaystyle 5(12+2x) =5(\frac{6}{5})\\\\5*12+5*2x=\frac{5*6}{5} \\\\60+10x=6

I hope this helps!

8 0
2 years ago
Read 2 more answers
Frank is lending $1,000 to Sarah for two years. Frank and Sarah agree that Frank should earn a real return of 4 percent per year
Montano1993 [528]

Answer:

nominal rate of interest is 31.7 %

Step-by-step explanation:

given data

payment = $1000

time = 2 year

rate = 4%

CPI = 100

CPI final yer = 127.7

to find out

nominal rate of interest

solution

we know nominal rate of interest formula that is

nominal rate of interest = real interest rate + inflation rate    .........1

so here inflation rate is express as

inflation rate = ( CPI final year - CPI )  / CPI  × 100    ...........2

put here value

inflation rate = ( 127.7 - 100 )  / 100  × 100

inflation rate is 27.7 %

so from equation 1

nominal rate of interest = real interest rate + inflation rate

nominal rate of interest = 4% + 27.7%

nominal rate of interest is 31.7 %

7 0
3 years ago
Find the slope of a line perpendicular to y = 3x + 7
Vikki [24]

Answer:

-1/3

Step-by-step explanation:

The slope of the line has the form y = mx + b where m is the slope. Here the slope is m = 3. A line perpendicular to it will have a negative reciprocal slope. The negative reciprocal of 3 is -1/3.

4 0
3 years ago
Which number completes the inequality?<br> 2/3 &lt; &lt;7/9<br> 3/5<br> 6/9<br> 3/4<br> 6/7
Sati [7]

Answer:

  3/4

Step-by-step explanation:

It can be helpful to use a common denominator for comparison. That denominator can be 100, meaning we can make them all decimal fractions. Approximate (2 digit) values are good enough for the purpose.

  2/3 ≈ 0.67 . . . . left end of the range

  7/9 ≈ 0.78 . . . . right end of the range

  3/5 = 0.60

  6/9 ≈ 0.67 . . . . = 2/3, so is not greater than 2/3

  3/4 = 0.75

  6/7 ≈ 0.86

The only decimal value between 0.67 and 0.78 is 0.75, corresponding to the fraction 3/4.

  2/3 < 3/4 < 7/9

5 0
3 years ago
Read 2 more answers
You carve your and your sweetheart's initials in the trunk of a 3-meter tall tree, 1.5 meters above the ground. Fifty years late
dimulka [17.4K]

Answer

26.5

Step-by-step explanation

I think, I’m not sure because it seems so simple.

4 0
2 years ago
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