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trasher [3.6K]
3 years ago
12

Are lines of symmetry also diagonals in a polygon? Explain.

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0
Well not all lines are lines of symmerty, because if you draw a let's say a rectangle on a piece of paper and draw a diagonal line through it, well the two sides don't really lie perfectly on one another!!
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What is a number decreased by 4 is more than -1 . you have to write an inequality .
rosijanka [135]
You would just need to make an inequality from the description. You would make "x" the number. The answer would be "x-4>-1"
3 0
3 years ago
Solve for w.<br><br> 5w + 9z = 2z + 3w
DIA [1.3K]
When solving for a variable, you get the variable you're trying to solve for on one side and everything to the opposite of that variable.

We have the equation <span>5w + 9z = 2z + 3w.

Usually the variable we're solving for we want on the left. But it's fine to have it on the right side, too.

Let's subtract 9z from the left-hand side. That way, the 5w will be alone on the left-hand side.

And remember, anything we do on one side we do to the other side.

</span><span>5w + 9z - 9z = 2z + 3w - 9z
</span><span>5w = -7z + 3w

The 3w term on the right-hand side needs to be removed. So, subtract each side by 3w.

5w - 3w = -7z + 3w - 3w
2w = -7z

Now, we need to divide each side by 2 to see what the w variable is equal to.

2w / 2 = -7z / 2
w = -7z / 2 or w = -3.5z

So, w is equal to -3.5z.

</span>
7 0
2 years ago
Read 2 more answers
Given that the value of b can never be equal to -1, determine if the equations are intersecting, parallel, or coincident.
eimsori [14]
<h3>Answer: A) intersecting</h3>

-----------------------------------------------

Work Shown:

Solve the first equation for y

x+y = ab

y = -x+ab

y = -1x + ab

slope = -1, y intercept = ab

-----------

Solve for y in the second equation

bx - y = a

bx - y - a = 0

bx-a = y

y = bx - a

Slope = b, y intercept = -a

-----------

The first equation has a slope of -1. The second equation has a slope of b.

Since b cannot equal -1, this means the two equations have different slopes. It is impossible for these two lines to be parallel, because parallel lines have equal slopes. The different slope values tell us the lines cross at exactly one point.

7 0
3 years ago
A rectangle is 12.5 m wide and 18.24 m long.
ICE Princess25 [194]
The correct answer is 228.00 m2
3 0
2 years ago
Read 2 more answers
DESPERATE WILL GIVE BRAINLIST AND THANKS
Nonamiya [84]

Answer:

90 counterclockwise

Step-by-step explanation:

-2 as x would mean it is in the top left quadrant and going back from a clock would be that one

6 0
3 years ago
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