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Debora [2.8K]
3 years ago
14

Find the product 9w(-2w^2+4w-4) ​

Mathematics
1 answer:
natima [27]3 years ago
6 0

Answer:

-18w^#+36w^2-36w

Step-by-step explanation:

use teh distributive property

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Find the 15th term of the geometric sequence 4, 8, 16, ...4,8,16,...
AfilCa [17]

Answer:

Step-by-step explanation:

Tn = ar^(n-1)

a = 4, r = 8/4 = 2 for n = 15

T15 = 4 × 2^(15-1)

= 4 × 2^14

= 4 × 16384

= 65536

5 0
4 years ago
A diver in the Olympics dives off a platform 15 m above the water’s surface and descends to a depth of 5 m below the surface. Ho
tia_tia [17]

Let the water surface be 0.

He starts at 15 and gets to the water surface of 0 so he travels 15 meters.

He then goes 5 meters below the surface.

15 + 5 = 20 total meters.

8 0
3 years ago
Read 2 more answers
Fifteen is no more than a number t divided by 5.
cupoosta [38]
The proper way to set up this equation is: 15 > t / 5
4 0
3 years ago
You are re-tiling the entry to your home and want to create a fancy circular medallion in the center. You want to create a large
WINSTONCH [101]
You need 864.52 sq. in. of blue tile.

We need to find the area of the large circle (including blue and yellow) and the area of the yellow circle.

We have the circumference of the blue circle, 113.097.
C = πd
113.097 = 3.14d

Divide both sides by 3.14:
113.097/3.14 = 3.14d/3.14
36.018 = d

The diameter is twice as much as the radius, so r = 36.018/2 = 18.009.

The area of a circle is given by the formula
A = πr²
A = 3.14(18.009)² = 1018.38 sq. in.

The area of the small yellow circle is given by
A = 3.14(7²) = 3.14(49) = 153.86

Subtracting these two, we have
1018.38 - 153.86 = 864.52 sq. in.
3 0
3 years ago
A point P lies on the line with equation y= 4-3X. The point P is a distance √34 from the origin. Find the two possible positions
Oksi-84 [34.3K]

The two possible positions of point P are:

(3, -5) and (0.6, 5.8)

<h3>How to find the two possible positions of point P?</h3>

We know that point P lies on the line:

y = 4 - 3*x

And that the distance between P and the origin is √34, then if the coordinates of point P are (x, y), we have that:

\sqrt{34} = \sqrt{x^2 + y^2}

Now, we can replace "y" in the distance equation by the linear equation, and also remove the square roots:

34 = x^2 + (4 - 3x)^2

Now we can solve the quadratic equation for x:

34 = x^2 + 9x^2 + 16 - 24x\\\\10x^2 - 24x - 18 = 0\\\\

The solutions are:

x = \frac{24 \pm \sqrt{(-24)^2 - 4*10*(-18)} }{2*10} \\\\x = \frac{24 \pm36}{20}

So the two solutions are:

x = (24 + 36)/20 = 3

x = (24 - 36)/20 = -0.6

To get the points, we need to evaluate y on these values:

y = 4 - 3*3 = -5   So we have P = (3, -5)

y = 4 - 3*(-0.6) = 2.2 So we have the point (0.6, 5.8)

There are the two possible positions of point P.

If you want to learn more about quadratic equations:

brainly.com/question/1214333

#SPJ1

5 0
2 years ago
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