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3 years ago

Which equation represents this sentence?

Mathematics

1 answer:

SpyIntel [72]3 years ago

8 0

Answer:

D is the correct answer :)

It's 1000% accurate

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Can someone help me pls?

LiRa [457]

Answer:

x = 17.2

Step-by-step explanation:

cos 35 = x/21

0.8192(21) = x

x = 17.2

5 0

3 years ago

Using the circle below, determine the coordinates of the center and the length of the diameter.

Elena-2011 [213]

Answer:

Step-by-step explanation:

center (-2,-1), Diameter 4

4 0

3 years ago

A plane is flying from one airport to another. Would it be better to use a globe or a flat paper map to find the shortest distan

nadezda [96]

Answer:

Using a globe and some string might be more convenient. A great circle is the shortest path between any two points on the earth's surface.

I hope I helped! ^-^

3 0

2 years ago

Find sin(a+B)

diamong [38]

Answer:

Cos A=5/13

we have

Cos² A= $1-Sin ²A$

25/169=1-Sin²A

sin²A=1-25/169

sin²A=144/169

Sin A= $\sqrt{144/169}=12/13$

again

Tan B=4/3

P/b=4/3

p=4

b=3

h= $\sqrt{3²+4²}=5$

Now

Sin B=p/h=4/5

in IV quadrant sin angle is negative so

Sin B=-4/5

CosB=b/h=3/5

Now

Sin(A+B):sinAcosB+CosAsinB

now 

substitute value

Sin(A+B):12/13*3/5+5/13*(-4/5)=36/65-4/13

=16/65 is a required answer

6 0

3 years ago

A comic book costs 3.99 it is marked up 45% what is the final price of the comic book after it is marked up

gayaneshka [121]

45% of 3.99 is 1.7955,

3.99 + 1.7955 = 5.7855

5.7855 rounded is 5.79

Your answer is C. 5.79

4 0

3 years ago

Read 2 more answers