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3 years ago

Which are points on the graph of y=1.5+[x]? Check all that apply

Mathematics

1 answer:

Zarrin [17]3 years ago

8 0

It would be all points that go through the point 1.5 on the y axis i believe

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Express cos6mcos2m as a sum or difference

raketka [301]

Given :

An expression (cos 6m)(cos 2m) .

To Find :

We need to express it in terms as sum or difference.

Solution :

We know,

cos( A + B ) = cosA cos B - sin A sin B

cos( A - B ) = cosA cos B + sin A sin B

Adding both the equations we get :

2cos A cos B = cos( A + B) + cos( A - B )

cos A cos B = cos( A + B) + cos( A - B )/2

Putting value of A = 6m and B = 2m in above equation, we get :

(cos 6m)(cos 2m) = cos( 6m + 2m ) + cos( 6m - 2m )/2

(cos 6m)(cos 2m) = cos(8m) + cos(4m)/2

Hence, this is the required solution.

4 0

3 years ago

What is the volume of a rectangular prism with the dimensions: base 7 2 cm, height 3 2 cm, and length 9 2 cm? A) 189 2 cm3 B) 18

motikmotik

Answer: D) $\dfrac{189}{8}\ cm^3$

Step-by-step explanation:

The volume of a rectangular prism is given by :_

$\text{Volume}=\text{length*width*height}$

Given: Length of the rectangular prism = $\dfrac{9}{2}\ cm$

Width = $\dfrac{7}{2}\ cm$

Height = $\dfrac{3{2}\ cm$

Then, the volume of a rectangular prism will be :-

$\text{Volume}\dfrac{9}{2}\times\dfrac{7}{2}\times\dfrac{3}{2}\\\\\Rightarrow\text{Volume}=\dfrac{189}{8}\ cm^3$

8 0

4 years ago

Read 2 more answers

Randy ate 29 crackers in 4 minutes. At what RATE did Randy eat?

lisabon 2012 [21]

Answer:

7 1/4 cookies per minute

Step-by-step explanation:

29/4 = 7 1/4

6 0

3 years ago

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What the median 25,23,17,15,19,21,28,30,26,28

Musya8 [376]

Answer:

Step-by-step explanation:

the median is the middle value of a data set in ascending order

If there is not an exact middle then it is the average of the values on either side of the middle

Arrange data in ascending order

15, 17, 19, 21, 23, 25, 26, 28, 28, 30

the middle is between 23 and 25 , hence

median = $\frac{23+25}{2}$ = $\frac{48}{2}$ = 24

7 0

4 years ago

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PLEASE HELP ME!!<br> How is the coordinate system used for computers?

AlexFokin [52]

Youtube works wonders. Look it up

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4 years ago