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zavuch27 [327]
3 years ago
6

Find the product. (3x2+6x-5)(-3x) PLEASE HELP!!! ASAP!!!

Mathematics
2 answers:
nekit [7.7K]3 years ago
8 0

Answer:

\boxed{-9x^3-18x^2 + 15x}

Step-by-step explanation:

(3x²+6x-5)(-3x)

Apply distributive law.

-3x(3x²)-3x(6x)-3x(-5)

Simplify.

-9x³ - 18x² + 15x

VashaNatasha [74]3 years ago
5 0

Answer:

\boxed{\red{  - 9 {x}^{3}  - 18 {x}^{2}  + 15x}}

Step-by-step explanation:

( - 3x)(3 {x}^{2}  + 6x - 5) \\ - 3x(3 {x}^{2} ) - 3x(6x) - 3x( - 5) \\  =  - 9 {x}^{3}  - 18 {x}^{2}  + 15x

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Can anyone fill these out?
Tcecarenko [31]

Answer:

Part (a)

36

Part (b)

Find the filled table in the attachment

Part (c)

1/36

Step-by-step explanation:

The total number of possible outcomes using the multiplicative rule is given by;

6*6 = 36.

There are 6 possible outcomes in rolling each die, we simply find the product.

The probability of rolling double sixes is given by;

pr(6 and 6) = pr(6) * pr(6) = 1/6 * 1/6 = 1/36

The probability of rolling double sixes represents independent events and thus we employ the multiplicative rule of probability.

8 0
3 years ago
Can someone please help me with this!!
Aloiza [94]

Answer:

407 yd^{2}

Step-by-step explanation:

first find the area of the rectangle, which would be 16*13 = 208yd²

then find the arc length of the sector, which is about 30.6yd

use the arc length to find the area of the sector, which is about 199.09yd²

add together the area of the rectangle and sector:

199.09 + 208 ≈ 407

8 0
2 years ago
2х - бу = 2<br>x + бу = 28​
scZoUnD [109]

Answer:

x = 10

y = 3

Step-by-step explanation:

Given

2x - 6y = 2

x + 6y = 28

Add both equations

2x + x -6y + 6y = 2 + 28

3x = 30

Divide both sides by 3

x = 30/3

x = 10

Substitute 10 for x in either equations to get y

Using equation 2 , we have

x + 6y = 28

10 + 6y = 28

Subtract 10 from both sides

10 - 10 + 6y = 28 - 10

6y = 18

Divide both sides by by 6

y = 18/6

y = 3

Therefore

x = 10

y = 3

7 0
3 years ago
8. If BD=BC, BD = 5x -26, BC = 2r + 1, and AC = 43, find AB.
charle [14.2K]

Answer:

24

Step-by-step explanation:

BD=DC

5x-26=2x+1

5x-2x=1+26

3x=27

x=9

BC=2x+1

=2*9+1

BC =19

so AB=AC-BC

AB=43-19

AB=24

8 0
2 years ago
Write the following in terms of sin Θ and cos Θ; then simplify if possible. (Leave your answer in terms of sin Θ and/or cos Θ.)
Marysya12 [62]

Answer:

6 cos Θ

Step-by-step explanation:

sin Θ cot Θ + 5 cos Θ =

= sin Θ × cos Θ / sin Θ + 5 cos Θ

= cos Θ + 5 cos Θ

= 6 cos Θ

3 0
2 years ago
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