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Vaselesa [24]
3 years ago
6

Factor this expression: 12 + 20

Mathematics
1 answer:
liberstina [14]3 years ago
5 0

Answer:

<h2>12 + 20 = 4 × (3 + 5)</h2>

Step-by-step explanation:

12 = 4 × 3

20 = 4 × 5

12 + 20 = 4 × 3 + 4 × 5 = 4 × (3 + 5)

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Which of the following best defines an angle?
scoray [572]

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Third option

Step-by-step explanation:

The first definition is not as broad as it should be, therefore, while an angle does meet that criteria, it's not a general definition, hence, it is incorrect. The second one is incorrect as well because a parabola has a vertex, and it is certainly not an angle. This definition is not specific enough, so it will be eliminated. The last one is again, too specific. The third one is the best answer because it is broad enough while still being specific.

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3 years ago
A 20­ft ladder is leaning against a house. The bottom of the ladder is 3 ft from the house. To the nearest tenth of a foot, abou
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Answer:  19.8 ft

Step-by-step explanation:

Use the Pythagorean Theorem formula to solve for how high the top of the ladder reach.  

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8 0
2 years ago
Find the equation of a line with a slope 3 that includes the point (0,5)
Genrish500 [490]

Answer:

B

Step-by-step explanation:

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We can use the slope-intercept form, given by:

y=mx+b

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3 years ago
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Help me I need help I need help
Licemer1 [7]

Answer:

\Huge\boxed{131.88}

Step-by-step explanation:

Hello There!

First thing we want to do is find the formula for circumference of a circle

C = 2(3.14)r

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we are given the diameter so we have to convert that into radius to do so we just divide by 2

42/2=21 so the radius equals 21 inches

now we just plug in 21 for r in the formula

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So we can conclude that the circumference of the circle is 131.88 inches

3 0
3 years ago
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