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vredina [299]
3 years ago
15

Show 12×12.5 step-by-step

Mathematics
1 answer:
Elenna [48]3 years ago
7 0
12x12.5=150
Steps:
1. convert 12.5 into a fraction: 25/2
2. also convert 12 into a fraction: 12/1
3. multiply 25/2x12/1=150.

Hope I helped! :D
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Use the Pythagorean theorem:

\left(\dfrac{1}{2}x\right)^2+12^2=18^2\\\\\dfrac{1}{4}x^2+144=324\ \ \ |-144\\\\\dfrac{1}{4}x^2=180\ \ \ \ |\cdot4\\\\x^2=720\to x=\sqrt{720}\\\\\boxed{x\approx26.8}
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Is 78.006 greater, less, or equal to 78.01
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3 years ago
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Can anybody answer this for range?
snow_lady [41]

Answer:

The answer is (2, 4)

Step-by-step explanation:

I hope this helps!

8 0
3 years ago
PLZ HELP! VERY URGENT!<br> A line passes through (6,3), (8,4), and (n,-2). Find the value of n.
Phantasy [73]

We have a line passing through 3 points. We can use the first
two points to find the equation of the line.
(6,3), (8,4)

slope m = (4-3)/(8-6) = 1/2

We can use the point slope form y-y1 = m(x-x1) or
the slope intercept form y = mx + b
to find the equation of the line.

Let's take the point (6,3) and use y = mx + b to find b
y = 3, x = 6, m = 1/2

3 = (1/2)(6) + b
3 = 3 + b
0 = b

The equation of our line is y = (1/2)x

We have a line of equation y = (1/2)x going through point (n,-2)

Plugging in we have: -2 = (1/2)n
2(-2) = n
-4 = n

Your answer is n = -4

NOTE: looking at the 3 points as given initially: (6,3), (8,4), (n,-2)
We can see that 3 = (1/2)6 and 4 = (1/2)8 so -2 = (1/2)n makes sense

Hope this helps you :)
5 0
4 years ago
Read 2 more answers
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