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andreyandreev [35.5K]
3 years ago
12

Convert 9 1/2 in to a fractional notation.

Mathematics
2 answers:
Evgen [1.6K]3 years ago
6 0
2 x 9 + 1 = 19

19/2

Thus, the answer is 19/2
Tanya [424]3 years ago
5 0
<span>Just take the WHOLE NUMBER,(the 9) and multiply it by the denominator (the 2) and take the product (18) and add it to the numerator (1).....which equals 19, but it's all over the denominator...
so it's 19/2 </span>
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The scale of floor plan is 1:250. Find the measurements in metres if 40 mm is drown on the plan​
laiz [17]

Given:

The scale is 1:250.

To find:

The measurements in metres if 40 mm is drown on the plan​.

Solution:

The scale is 1:250. It means,

1 mm of the drawing = 250 mm of original length

40 mm of the drawing = 40×250 mm of original length

40 mm of the drawing = 10000 mm of original length

We know that,

1000 mm = 1 m

1 mm = 0.001 m

10000 mm = 10000×0.001 m

10000 mm = 10 m

Therefore, the measurement is 10 metres if 40 mm is drown on the plan​.

8 0
3 years ago
What is the solution to the system of equation 2x-y=7<br> Y=2x+3
Veronika [31]
<span><span>4x - y = -4</span>
<span><span>-y = -4 - 4x (subtract 4x from each side)
y = 4 + 4x (divide by -1)
y = 4x + 4 (commutative property of addition to get the x-value in front). 

Now we must plug what we have gotten y to equal into the other equation. If we try to plug what we have rearranged back into the original equation, we don't get anywhere. 

2x - y = -7
2x - 1(4x + 4) = -7 (substitution)
2x - 4x - 4 = -7 (distributive property with -1)
-2x - 4 = -7 (combine like terms)
-2x = -3 (add 4 to each side)
x = 3/2 (divide by -2). 

You</span></span><span>2x-y=7
Y=2x+3</span><span> have just solved for x! We can now plug what we have found for x into either equation to get what y equals. (If this is truly a system of linear equations, then it will not matter which one we use.) 

2(3/2) - y = -7 (substitution)

6/2 - y = -7 (multiplication)
3 - y = -7 (division)
- y = -10 (subtraction)
y = 10 (division) 

You have just found y! As a point, the solution to this system is (3/2, 10) with the x-coordinate first and the y-coordinate second. If we plug x and y into both equations, we will find that they will make the equations true. This is how we check ourselves. Using both equations: 

4x - y = -4
4(3/2) - 10 = -4 (does the left half equal -4?)
12/2 - 10 = -4
6 - 10 = -4
-4 = -4 (it does); 

2x - y = -7
2(3/2) - 10 = -7
3 - 10 = -7
-7 = -7. </span></span>
7 0
3 years ago
6n +5&lt;7n + 10
RoseWind [281]

Answer:

the answer is

Step-by-step explanation:

8 0
2 years ago
Make a 8 1/3 a faction then make it into simplest form and then explain PLS HELP ME ​
horsena [70]

Answer:

2 2/3

Step-by-step Explanation:

You can make the 8 1/3 a fraction by making the whole number 8 into a fraction by putting 8 as the numerator and 1 as the denomenator and then multiply 8/1 by 1/3 to get 8/3. You can then simplify this even further by making this improper fraction into an mixed fraction. 3 goes into 8, 2 times with a remainder of 2. You then write the remainder as 2 over 3 to make the fraction 2/3. This then comes out to be 2 2/3.

8/1 • 2/3 = 8/3

8/3 = 2 2/3

8 0
3 years ago
What is 720 degrees converted to radians​
PtichkaEL [24]
720 degrees = 12.566 radians
6 0
3 years ago
Read 2 more answers
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