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Nezavi [6.7K]
1 year ago
10

To find the angle of rotation θ between the previous x and y axes and the new x′ and y′ axes, we use the formula: cotangent of 2

theta equals A minus C all over B , where 2θ lies on the interval (0°, 180°).TrueFalse

Mathematics
1 answer:
Tamiku [17]1 year ago
7 0

The equation is the given one:

\cot 2\theta=\frac{A-C}{B}

Which is the same as:

\tan 2\theta=\frac{B}{A-C}

And the interval of the angle θ must be (0°,90°) so, 2θ must be (0°,180°).

So the statement is True.

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grigory [225]

Answer:The sum of all is 21+23+25+27 = 96.

Step-by-step explanation:

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3 years ago
Rewrite, using the distributive<br> property.<br> 5(2x – 3y) = [?]* - [ ]y
olchik [2.2K]

Answer:

10x-15y

Step-by-step explanation:

So, when they say use the distrubutive property, they basically mean turning this:

a(b+c)

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5(2x-3y)

And we will turn it into:

10x-15y

ANother way to think about it is we are multiplying 2x by 5, and -3y by 5. So:

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-15y

Then we can combine these two:

10x-15y

Hope this helps!

7 0
3 years ago
What is 15 thousands 20 hundreds 5 ones=
Law Incorporation [45]
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4 0
3 years ago
A gardener combines x fluid ounces of 20% liquid fertilizer and 80% water mix with y fluid ounces of 5% liquid fertilizer and 95
ELEN [110]
X = 10 fluid ounces
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5 0
3 years ago
Which is greater: 25% of 15 or 15% of 25? Explain your reasoning using mathematical evidence or visual models.
d1i1m1o1n [39]

15% of 25 is the greatest of the two.

Answer:

25% of 15 is 3.75

15% of 25 is also 3.75

15 - 3.75 = 11.25

25 - 3.75 =21.25

Compare and then determine.

11.25 < 21.25

8 0
2 years ago
Read 2 more answers
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