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Helen [10]
3 years ago
14

What does a rotation preserve

Mathematics
1 answer:
Natali5045456 [20]3 years ago
5 0
You mean like you need to turn it like _ degrees? that's 1 thing..
You might be interested in
What strategie do u use to divide 98 divided by 7
sineoko [7]
You can break 98 into 2 49's. Hopefully, we know that 49 is 7 * 7, so 98 is 7 * 14. The correct answer is 14. :)
7 0
3 years ago
Along with this one please
Anarel [89]
X=5.2
Hope this was helpful
8 0
3 years ago
HELP ASAP!!
garri49 [273]
I'm pretty sure it would be <span>x - y + 1 = 0 because if you plug in one of the coordinates into each equation, this is the only one that works.

</span><span>y - x + 1 = 0
2 - 1 + 1 = 0
2 = 0 not correct

</span><span>x - y + 1 = 0
1 - 2 + 1 = 0
0 = 0 correct

</span><span>-x - y + 1 = 0
-1 - 2 + 1 = 0
-2 = 0 not correct
</span>
4 0
3 years ago
Which is the graph of y = _0.4x?<br><br> A.<br><br><br> B.<br><br><br> C.<br><br><br> D.
cestrela7 [59]
Y = -0.4x

1) It is a straight line
2) I passes through the origin (0,0), because the y-intercpet is 0.
3) The slope is negative, so it passes throuh II and III quadrants
4) The magnitude of the slope = 0.4
4) The angle of the line with the negative side of the x-axis is that whose tan is 0.4 => angle = 21.8 °

With all that information you can identify the graph, given that you didn't include the options.
8 0
3 years ago
What is 1 and 1/2% of 400?
aniked [119]
\bf {{ a}}\%\ of\ b \implies  \cfrac{{{ a}}}{100}\cdot b\implies {{ a}}\div 100\cdot b\\\\&#10;-----------------------------\\\\&#10;thus&#10;\\\\&#10;&#10;\begin{cases}&#10;{{ 1}}\%\ of\ 400 \implies  \cfrac{{{ 1}}}{100}\cdot 400\implies {{1}}\div 100\cdot 400\\&#10;--------------\\&#10;{{ \frac{1}{2}}}\%\ of\ 400 \implies  \cfrac{{{ \frac{1}{2}}}}{100}\cdot 400\implies {{\frac{1}{2}}}\div 100\cdot 400&#10;\end{cases}

you tell us
3 0
3 years ago
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