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2 years ago

Simplify the following, where k represents any integer: cos(2kpi-x)(-sin(2kpi-x))

Mathematics

1 answer:

Citrus2011 [14]2 years ago

5 0

= cos( -x ) * [ - sin( - x ) ] = cosx * sinx ;
cosx * sin x is the right answer !

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Spencer has 1/3 pound of nuts he divides the nuts equally into four bags what fraction of a pound of nuts is in each bag

larisa86 [58]

First, divide 1/3 by four, which is 1/12. So that means the four bags will each contain 1/12 a pound of nuts.

8 0

2 years ago

Jose earned 50 points in a video game. He lost 40 points, earned 87 points, then lost 30 more pints. Write and evaluate an expre

Aneli [31]

50-40+87-30=67

hope i helped

4 0

2 years ago

Isabella spent less than $14.00 for glass beads ,paintbrushes ,poster board,and paint she spends $1.68 on beads and $3.96 on pai

mart [117]

The total cost is $14.00, no?

7 0

2 years ago

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Find the coordinates of the midpoint of a line segment with the given endpoints (14,-8), (12,-1)

Flauer [41]

Answer:

The coordinates of the midpoint of a line segment with the given endpoints (14,-8), (12,-1) are $\mathbf{(13,\frac{-9}{2})}$

Step-by-step explanation:

We need to find the coordinates of the midpoint of a line segment with the given endpoints (14,-8), (12,-1)

The midpoint of line segment can be found using formula:

$Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

We have $x_1=14, y_1=-8, x_2=12, y_2=-1$

Putting values and finding midpoint

$Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})\\Midpoint=(\frac{14+12}{2},\frac{-8-1}{2})\\Midpoint=(\frac{26}{2},\frac{-9}{2})\\Midpoint=(13,\frac{-9}{2})$

So, the coordinates of the midpoint of a line segment with the given endpoints (14,-8), (12,-1) are $\mathbf{(13,\frac{-9}{2})}$

4 0

2 years ago

Which value of x is a solution of 8> (x-6)-2

Vitek1552 [10]

Answer:

The answer is x < 16.

Step-by-step explanation:

1) Remove parentheses.

$8 > x - 6 - 2$

2) Simplify x - 6 - 2 to x - 8.

$8 > x - 8$

3) Add 8 to both sides.

$8 + 8 > x$

4) Simplify 8 + 8 to 16.

$16 > x$

4) Switch sides.

$x < 16$

Therefor, the answer is x > 16.

8 0

2 years ago

Read 2 more answers