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Phantasy [73]
2 years ago
13

Test 1. Give the appropriate factoring technique and factors of the following polynomials.

Mathematics
1 answer:
shutvik [7]2 years ago
3 0
1) 5t^2 (1 + 6t)
2) 4x^3y^5 (5x + 2y)
3) (5r + 6x)(5r - 6x)
4) (x + 10)(x - 10)
5) (x - 3)^2
6) (x -5)(x - 3)
7) 3(16r^3 + 9)
8) 8(c^3 + 8d^3)
9) (2r - 125)(4r^2 + 250r + 15625)
10) (c + 3)(c - 1)
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What is the arc length if Θ = 2 pi over 7 and the radius is 3 cm? A. 7 pi over 12
hodyreva [135]

Answer: Option 'C' is correct.

Step-by-step explanation:

Since we have given that

\theta=\frac{2\pi}{7} \\\\r=3\ cm

An arc is a part of total circumference of circle and length of that arc is the measurement of linear distance.

Since we know the formula for "Length of an arc " , we get

L=r\times \theta\\\\L=\frac{2\pi}{7}\times 3\\\\L=\frac{6\pi}{7}

Hence, Option 'C' is correct.


6 0
3 years ago
Read 2 more answers
Which of the following statements is true?
lutik1710 [3]

Answer:

Option (3)

Step-by-step explanation:

Perpendicular lines: Perpendicular lines are the lines that intersect each other at right angles

Intersecting lines: Intersecting lines are the lines that intersect each other at a point to form angles but vertically opposite angles are equal

Hence , from above conclusion we can write Perpendicular lines must cross to form ninety degree angles, but intersecting lines cross to form angles of varying measures.

Hence , Option (3) is correct answer

6 0
3 years ago
Lucy is on her way home in her car. Her drive is 18 miles long. She has finished one-third of the drive so far. How far has she
aksik [14]

Answer:

6 miles

Step-by-step explanation:

1/3 of 18 is 6 since 18 / 3 is 6

4 0
3 years ago
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Write an equation for a line in slope-intercept form that is parallel to y=−2x+5 and passing through the point (3,−10)
STALIN [3.7K]

Answer: y=-2x-4

Step-by-step explanation:

y=-2x+b

-10=-2(3)+b

-10=-6+b

-4=b

5 0
3 years ago
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Which is true of the infinite solutions of the inequality x < 0
k0ka [10]

Answer:

The solutions will contain an infinite amount of negative numbers.

5 0
3 years ago
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