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Anastaziya [24]
3 years ago
10

Using trig to solve for missing angles

Mathematics
1 answer:
Sveta_85 [38]3 years ago
3 0

Answer:

? = 32.20422

Step-by-step explanation:

We know the adjacent side and the hypotenuse

cos ? = adj / hyp

cos ? = 33/39

cos ? = 11/13

Taking the inverse cos of each side

cos ^ -1( cos ?) =  cos^-1(11/13)

? = 32.20422

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The sum of 6 consecutive integers is 387. What is the sixth number in this sequence.
11111nata11111 [884]

Answer:

67!

Step-by-step explanation:

A way to look at it is, since the number is 387, it can be broken into 6 parts. 50x6 is about 300. That leaves 87 to be left over. So it's safe to assume each number will be around 50-60, so I started to add up six consecutive numbers together until I reached my final set of numbers to reach 387.

My numbers were 62+63+64+65+66+<u><em>67</em></u>=387

I hope this makes sense!

7 0
3 years ago
What is the sum of q and 8
Vera_Pavlovna [14]
Is there any more information, such as the value of q? Otherwise the sum of q and 8 is q + 8 because "sum" indicates addition.
7 0
3 years ago
Read 2 more answers
A 64-inch board is cut into three pieces so that the second piece is twice as long as the first piece, and the third
Dafna1 [17]
<h3>Answer:  40 inches</h3>

==========================================================

Explanation:

  • x = first piece
  • 2x = second piece, since its twice as long as the first
  • 5x = third piece, since its five time as long as the first

x is some positive real number, and the units of each are in inches.

Add up the smaller pieces and we should get 64 inches back again

x+2x+5x = 64

8x = 64

x = 64/8

x = 8

The first piece is 8 inches long.

2x = 2*8 = 16 is the length of the second piece (in inches)

The third piece is 40 inches because 5x = 5*8 = 40

--------

Summary:

first = 8 inches

second = 16 inches

third = 40 inches

Check: 8+16+40 = 64, which confirms the answer

8 0
3 years ago
3. Jada is making a scale model of the solar system. The distance from Earth to the
JulsSmile [24]

Answer:

kitchen

Step-by-step explanation:

if a foot is 2.389 then i would be pretty far but not a block away

5 0
4 years ago
—330 + 450 need help !!!!!!!
natta225 [31]
120
hope that helps
7 0
3 years ago
Read 2 more answers
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