2 years ago

Identify the factors of x² - 4x - 12.

Mathematics

2 answers:

NNADVOKAT [17]2 years ago

8 0

Answer:

(x+2) (x-6)................

kogti [31]2 years ago

6 0

Answer:

Step-by-step explanation:

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Suppose an airplane climbs 15 feet for every 40 feet it moves forward. What is the slope of this airplanes ascent?

Goryan [66]

Answer:

3/8

Step-by-step explanation:

Slope is the same as rise over run, or y/x. In this case, rise over run is 15 over 40, or 15/40. Simplified, this is 3/8.

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3 years ago

Which expression represents the phrase?"4 more than the product of 8 and n."A) 8n – 4B) 8n + 4C) 4(8 + n)D) (8 + n) – 4

Dafna11 [192]

Answer:

B) 8n+4

Step-by-step explanation:

The product of 8 and n means 8n. Four more means +4. These together equal B) 8n+4

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2 years ago

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A line has a slope of 9/5 and the point (-10, -16). which of the following could be another point on the line?

Allisa [31]

Answer: C

Step-by-step explanation:

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3 years ago

Find the area of a circle with a circumference of 6.28 units

viktelen [127]

Answer:

area of the circle = 3.14 square units

Step-by-step explanation:

Circumference of the circle formula is $2\pir$

where r is the radius of the circle

given circumference = 6.28

$2\pir$ = 6.28

Value of pi is 3.14

2*3.14 * r= 6.28

6.28 r = 6.28

divide by 6.28 on both sides

r = 1

radius = 1

Area of the circle = $\pi r^2$

= 3.14 *1*1 = 3.14

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3 years ago

Is this graph proportional? why?

PIT_PIT [208]

Answer:

Yes it is proportional because if the line kept going, it would pass through the origin. Fora line to be proportional, it must pass through the origin.

Origin= (0,0)

Step-by-step explanation:

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2 years ago