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kupik [55]
3 years ago
9

What is the measure of AC? А. 299 В. 122 с. 58 D. 116°

Mathematics
1 answer:
Pie3 years ago
5 0

Answer:

○ D. 116°

Step-by-step explanation:

Think of the Unit Circle. You know that half of 360° is 180°, and that angle has a measure of 58°, so you do this:

-58° + 180° = 122°

Now, that chord of the circle drags it a bit by a few units, so that will be approximately 116°.

*This may not be the best explanation I can give, but I gave one.

I am joyous to assist you anytime.

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Lines DE and AB intersect at point C.
lakkis [162]

Answer:

B

Step-by-step explanation:

∠ACE and ∠ECB form a straight angle whose sum = 180°, hence

2x + 2 + 5x + 3 = 180

7x + 5 = 180 ( subtract 5 from both sides )

7x = 175 ( divide both sides by 7 )

x = 25 → C

3 0
3 years ago
A number divided by -9 is less than 10
miv72 [106K]
N/(-9) < 10
Hope this helps!
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4 years ago
At age 45, an elephant grows teeth, each weighing 4 kg. About how many pounds do these teeth weigh? Use the conversion factor 1
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Thanks for your question!

4*2.2046
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8 0
3 years ago
Read 2 more answers
The exact value of sin (-150) equals
shusha [124]

Answer:

-0.5

Step-by-step explanation:

Plug it into your calculator and you get -0.5

3 0
3 years ago
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The perimeter of rectangle equals 74 meters. if the length is 5 more than the width, find the width
artcher [175]
The perimeter of the rectangle is calculated using the following rule:
perimeter = 2(length + width)
We are given that:
perimeter = 74 meters ............> given I
length is 5 more that width.
This means that:
length = width + 5 ..........> given II
Substitute with given I and given II to get the width of the rectangle as follows:
74 = 2(width+5+width)
74/2 = 2*width + 5
37 = 2*width + 5
37-5 = 2*width
32 = 2*width
width = 32/2 = 16 meters
If you want to get the length, we can use given II as follows:
length = width + 5
length = 16 + 5 = 21 meters
Based on the above calculations:
width of rectangle = 16 meters
length of rectangle = 21 meters
6 0
3 years ago
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