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Reika [66]
4 years ago
11

Can a triangle be formed with the side lenths of 8 cm ,4cm 12cm

Mathematics
2 answers:
kaheart [24]4 years ago
3 0
Yes it can, but your triangle is going to look a little lopsided.
lesya692 [45]4 years ago
3 0
To actually have a triangle, the two SMALLEST sides, have to be BIGGER than the biggest side when added up.

So, 8+4=12

12=12.

Thus, you can't make a triangle, because the two smallest sides aren't bigger than the biggest side.


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Please help me out!!!!!!!!!!!!
Lesechka [4]

9514 1404 393

Answer:

  see below

Step-by-step explanation:

A number line usually has numbers increasing from the right. If each unit on the number line represents $100, then a gain of $500 would be represented by the point at +5 units (right of 0). The loss would be represented by a point at -5 units, located left of 0.

The points are equidistant from 0 in opposite directions.

3 0
3 years ago
Solve the system using combination method to get a solution (x,y)<br> 4x+7y=10<br> -4x-6y=28
PIT_PIT [208]
\left \{ {{4x+7y=10} \atop {-4x-6y=28}} \right. \\\\add\ those\ two\ equations\\\\&#10;y=38\\\\&#10;4x+7y=10\ \ \ | subtract\ 7y\\\\&#10;4x=10-7x\ \ \ \ | divide\ by\ 4\\\\&#10;x=\frac{10-7x}{4}=\frac{10-7*38}{4}=\frac{10-266}{4}=\frac{-256}{4}=-64\\\\&#10;solution:\\ \left \{ {{y=38} \atop {x=-64}} \right.
3 0
3 years ago
Read 2 more answers
What is the mean of the data displayed in the line plot below?
Ira Lisetskai [31]

The mean is the average.

Total the numbers and divide by the quantity of numbers.

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8 0
3 years ago
What is the y-intercept of the line perpendicular to the line...
Dominik [7]

Answer:

D) 5

Step-by-step explanation:

Perpendicular lines have opposite reciprocal slopes.

The line: y=\frac{3}{4} x+3 has a slope of \frac{3}{4} as it is  in y=mx+b form, where m is the slope, and b is the y-intercept.

Since the slope is \frac{3}{4}, we see that the negative reciprocal slope is -\frac{4}{3}, as \frac{4}{3} is the reciprocal (flip the numerator and denominator).

From here, we can use point slope form: y - y1 = m(x- x1), where (y1, x1) is  the point. In this case, (3, 1) is the point.

Thus, we have: y-1 =-\frac{4}{3}(x-3) as our final equation.

Simplifying: y-1 = -\frac{4}{3}x+4

And: y=-\frac{4}{3}x+5, which gives us the y-intercept to be 5.

Let me know if this helps!

4 0
3 years ago
Find the perimeter. Simplify your answer.
labwork [276]

Answer:

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Step-by-step explanation:

The perimeter is the total length of all its sides.

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= 10s +3s +10s +3s +3 +9 +3 +9

= 26s + 24

7 0
3 years ago
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