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MaRussiya [10]
3 years ago
6

The difference of eighteen and a number is 3

Mathematics
1 answer:
Firdavs [7]3 years ago
5 0

Answer:

15

Step-by-step explanation:

18-x=3

18-3=x

18-3=15

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M is between L and C, LM= 11, MC= 2x+5, and LC= 6x-6, what is MC?
Margarita [4]
MC=16... Use this equation to solve for X:  LM+MC=LC... Then sub the value of X into the equation for MC to find your answer.
5 0
3 years ago
Write an equation of the line that passes through (8.1) and is perpendicular to the line 2y + 4x = 12​
schepotkina [342]

Answer:

I think you can just say about a blueprint and make it up.

Step-by-step explanation:

8 0
3 years ago
What is the slope of the line that passes through the points (-2, -3), and (5, 4)?
fomenos

Hi!

<h3>To find the slope, use this formula</h3>

\frac{y2-y1}{x2-x1}

<h3>Put in the values</h3>

\frac{4-(-3)}{5-(-2)}=\frac{7}{7}simplify=1

<h2>The slope is 1 </h2>

Hope this helps! :)

-Peredhel

4 0
3 years ago
A set of 5 numbers has a mode of 12 a median of 11 a mean of 10 what could the numbers be?
BabaBlast [244]
The median is 11, so 11 is part of the data set. We have an odd number of values (5) which is why the median is part of the data set.

The mode is 12. The value 12 shows up the most times. Let's say it shows up twice. So far the data set is {11, 12, 12}

Let's introduce two more numbers x and y
The new data set is {x, y, 11, 12, 12}

Add up the five values and then divide by 5. We want this result to be equal to 10
(x+y+11+12+12)/5 = 10
(x+y+35)/5 = 10
x+y+35 = 10*5
x+y+35 = 50
x+y = 50-35
x+y = 15

So we don't know what x or y is, but we know that they must add to 15. So all you have to do is list two numbers that add to 15. One such pair is x = 6 and y = 9. Another pair is x = 7 and y = 8. There are infinitely many possibilities if you can use any real number. 

So one possible set is {6, 9, 11, 12, 12}
Another possible set is {7, 8, 11, 12, 12}
4 0
3 years ago
Read 2 more answers
AB is Tangent to circle O at B. if AB = 7 and AO = 17.4, what is the length of radius r to the nearest tenth?
irakobra [83]
The angle the radius makes with AB is a right angle, so the Pythagorean theorem applies.
  r² = 17.4² - 7² = 253.76
  r = √253.76 ≈ 15.9

The length of radius r is about 15.9.
5 0
3 years ago
Read 2 more answers
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