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3 years ago

9

Which phrase best describes this polygon?

2 answers:

andrezito [222]3 years ago

8 0

I think it would be A

Arturiano [62]3 years ago

4 0

I think it would be the convex hexagon

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Simplify the expression to standard form<br><br> -1/2(8x - 4) + (-5 + 3x)

Hitman42 [59]

Answer:

$- x - 3$

Step-by-step explanation:

1) regroup term.

$- \frac{1}{2} (8x - 4) + 3x - 5$

2) Simplify 1/2 ( 8x - 4 ) to 8x - 4/2.

$- \frac{8x - 4}{2} + 3x - 5$

3) Factor out the common term 4.

$- \frac{4(2x - 1)}{2} + 3x - 5$

4) Simplify 4( 2x - 1 ) / 2 to 2( 2x - 1).

$- 2(2x - 1) + 3x - 5$

5) Expand by distributing terms.

$- (4x - 2) + 3x - 5$

6) Remove parentheses.

$- 4x + 2 + 3x - 5$

6) Collect like terms.

$( - 4x + 3x) + (2 - 5)$

8) Simplify.

$- x - 3$

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Elden [556K]

Answer: 3

Step-by-step explanation:

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12.<br> What is the<br> equation of a circle with center (-7, -3) and radius 2?

Genrish500 [490]

Answer:

(x + 7)^2 + (y + 3)^2 = 4

Step-by-step explanation:

The standard equation of a circle is:

(x - h)^2 + (y - k)^2 = r^2

where (h, k) is the center and r is the radius. We can substitute the information given to obtain:

(x + 7)^2 + (y + 3)^2 = 4

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3 years ago

Determine m<br><br> Please help me with this question

Flura [38]

Answer:

m<DCA = 40

Step-by-step explanation:

m<DAC = 90

m<CDA = 50

m<DCA = 180 - 90 - 50 = 40

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Answer:Yes,No,No,Yes

Step-by-step explanation:

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