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Stells [14]
3 years ago
9

Simplify the expression to a polynomial in standard form (-2x – 1)(-3x2 + 6x + 8)

Mathematics
1 answer:
andreev551 [17]3 years ago
4 0

Answer:

6x^3−9x^2−22x−8

Step-by-step explanation:

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6 cakes cost £6.48 how much does one cost
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A line passes through (4,-5) and had a slope of 5/2. Write an equation in point-slope form for this line
Arada [10]

Answer:

y+5 = 5/2( x -4)

Step-by-step explanation:

Point slope form of a line is

( y-y1) = m(x-x1) where m is the slope and ( x1 ,y1) is a point on the line

y --5 = 5/2( x -4)

y+5 = 5/2( x -4)

8 0
3 years ago
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3/6+2/6?<br> 7/5+4/10?<br> 3/6+5/3
shepuryov [24]

Answer:

1) 5/6

2) 18/10 (mixed fraction is 8)

3) 13/6 (mixed fraction is 6⅙)

3 0
3 years ago
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Calculate x Give your answer correct to 1 d.p. Х 35° 15 cm<br> it is a trigonometry question.​
OlgaM077 [116]

Here we are finding x, given the angle and adjacent side. To find x we will use the function cos as cos = a/h.

So let's do cos(35°) = 15cm / x

cos(35°) = 0.8 (1 dp)

x = 15 cm / cos(35°)

x = 18.3 cm (1 dp)

6 0
2 years ago
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