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Nesterboy [21]
3 years ago
7

Help me asap !!!!!!! please please please show ur work

Mathematics
1 answer:
Georgia [21]3 years ago
7 0

Answer:

you have it right


Step-by-step explanation:


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Can someone show me step by step on how to solve this, I'd very much appreciate the help. In the figure below, what is the value
klemol [59]

Answer:

D.

Step-by-step explanation:

According to the Exterior Angle Theorem, the exterior angle is equal to the sum of the interior angles opposite from the exterior angle. In other words:

68+x=100

Solve for <em>x</em>. Therefore:

m\angle x=32^\circ

Our answer is D.

5 0
3 years ago
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Write the product as a sum: 14cos(39x)sin(19x)
charle [14.2K]

Recall that

sin(<em>a</em> + <em>b</em>) = sin(<em>a</em>) cos(<em>b</em>) + cos(<em>a</em>) sin(<em>b</em>)

sin(<em>a</em> - <em>b</em>) = sin(<em>a</em>) cos(<em>b</em>) - cos(<em>a</em>) sin(<em>b</em>)

Adding these together gives

sin(<em>a</em> + <em>b</em>) + sin(<em>a</em> - <em>b</em>) = 2 sin(<em>a</em>) cos(<em>b</em>)

To get 14 cos(39<em>x</em>) sin(19<em>x</em>) on the right side, multiply both sides by 7 and replace <em>a</em> = 19<em>x</em> and <em>b</em> = 39<em>x</em> :

7 (sin(19<em>x</em> + 39<em>x</em>) + sin(19<em>x</em> - 39<em>x</em>)) = 14 cos(39<em>x</em>) sin(19<em>x</em>)

7 (sin(58<em>x</em>) + sin(-20<em>x</em>)) = 14 cos(39<em>x</em>) sin(19<em>x</em>)

7 (sin(58<em>x</em>) - sin(20<em>x</em>)) = 14 cos(39<em>x</em>) sin(19<em>x</em>)

4 0
3 years ago
The number of 90° angles formed by the intersections of and the two parallel lines and is
Ber [7]

Answer:

is there supposed to be a picture that goes with this

Step-by-step explanation:

: 0

3 0
3 years ago
Which equation can be used to find the surface area of the cylinder?
Elan Coil [88]

Answer:

D

Step-by-step explanation:

correct

5 0
3 years ago
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Help me please. What is (2a+8) + (4a +5)
Rom4ik [11]

Answer:

6a + 13

Step-by-step explanation:

2a + 4a = 6a

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6a + 13

8 0
2 years ago
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