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Marizza181 [45]
3 years ago
15

The sector of a circle with a 16-centimeter radius has a central angle measure of 45°.

Mathematics
1 answer:
Tresset [83]3 years ago
8 0
A = (45/360)×16^2×pi
A = 32pi
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The sum of two binomials is 5x^2-6x . If one of the binomials is3x^2-2x , what is the other binomial?
vlada-n [284]
Its 2x^2-4x, to check it add it to 3x^2-2x or
2x^(2)-4x+3x^(2)-2x
6 0
3 years ago
#2
I am Lyosha [343]

You have the right idea that things need to get multiplied.

What should be done is that the entire fraction needs to get multipled by the lowest common denominator of both denominators.

Let's look at the complex numerator. Its denominators are 5 and x + 6. Nothing is common with these, so both pieces are needed.

The complex denominator has x - 3 as its denominator. With nothing in common between it and the complex numerator, that piece is needed.

So we multiply the entire complex fraction by (5)(x + 6)(x -3).

Numerator: (\frac{1}{5} -\frac{5}{x + 6})(5)(x +6)(x-3) =\frac{1}{5}(5)(x +6)(x-3) -   \frac{5}{x + 6}(5)(x +6)(x-3)

= (x+6)(x-3) - (5)(5)(x-3)

= (x+6)(x-3) - 25(x-3)

= (x-3)(x + 6 - 25) <--- by group factoring the common x - 3

= (x -3)(x - 19)

Denominator:

\frac{25}{x - 3} * (5)(x + 6)(x - 3) = (25)(5)(x + 6) = 125(x + 6)


Now we put the pieces together.


Our fraction simplies to (x - 3) (x - 19) / 125 (x + 6)

5 0
3 years ago
Round decimal to the nearest one . Then add 7.91+21.9=
Arte-miy333 [17]
7.91 = 8 21.9 = 22

8 + 22 = 30
7 0
2 years ago
Read 2 more answers
Please help me answer.
katen-ka-za [31]

Answer:

Slope-intercept: y=3/4x+1

Sorry idk how to do general form

Step-by-step explanation:

Slope-intercept form is y=mx+b, m being the slope, b being the y-intercept.

The slope of this graph is 3/4, and the y-intercept is 1.

4 0
3 years ago
Read 2 more answers
PLEASE HELP ASAP
dexar [7]

Answer:

A.-4x^2y^4

that the answer

3 0
2 years ago
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