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Nana76 [90]
2 years ago
8

How do you solve 2/7m -1/7 = 3/14

Mathematics
2 answers:
Elza [17]2 years ago
7 0

Answer:

m=4/5

Step-by-step explanation:

Mars2501 [29]2 years ago
4 0

the only thing you need to do is separate m:

2/7m= 3/14 + 1/7

2/7m= 5/14

m= (5/14)/(2/7)

m= 5/14 × 7/2

m= 35/28

m= 5/4

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The cost of a ticket is $7. write an equation that relates to the total cost/c, for a particular number of tickets purchased. Id
Lady_Fox [76]
If we know the cost of a ticket is $7, we can then write an equation in slope-intercept form for the amount it will cost to buy any amount of tickets.

If we denote x as the amount of tickets purchased, and c as the total cost, we can write the equation:

c=7x

Since we can vary the amount of tickets purchased independently of the total amount, x (the amount of tickets purchased) will be the independent variable.

However, since y (the total cost) is directly dependent on the amount of tickets that are purchased, c is the dependent variable.
6 0
3 years ago
a map of a rectangle park has the length of 4inches and a with of 6 inches. It uses a scale of 1 inch every 30 miles. What is th
ratelena [41]

Answer:

720 mi²

Step-by-step explanation:

The map has a scale of 1 in: 30 mi, meaning that for every inch you see on the map, in the real-life location, it will measure 30 miles. So we can find the area of the park on the map and then turn it into miles using the scale:

Area of a rectangle:

A=bh

Replace the known values:

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The area on the map is 24 mi², we can turn it to miles using the scale by multiplying our result with 30:

A=(24)(30)\\ A=720

And last but not least, don't forget to put the unit!

4 0
3 years ago
To estimate the average annual expenses of students on books and class materials a sample of size 36 is taken. the sample mean i
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The 99 percent confidence interval for the population mean is found from:
\bar{x}-2.576\frac{s}{ \sqrt{n} }\ \textless \ \mu\ \textless \ \bar{x}+2.576\frac{s}{ \sqrt{n} }
850-2.576\frac{54}{ \sqrt{36} }\ \textless \ \mu\ \textless \ 850+2.576\frac{54}{ \sqrt{36} }
The answer is:
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3 years ago
Which value of y forms the solution of the system defined by y = 11x + 1 and<br> 11x + 12y = 12?
aliya0001 [1]
Y = 11 x + 1
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----------------------
11 x + 12 * ( 11 x + 1 ) = 12
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x = 0
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Answer:
y = 1
8 0
3 years ago
Read 2 more answers
1.25 is what percent of 112
leonid [27]

Answer:

1.25 is approximately 1.16% of 112.

Step-by-step explanation:

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4 0
3 years ago
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