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Step2247 [10]
3 years ago
12

What are the solutions to cos 2x = - 1​

Mathematics
1 answer:
N76 [4]3 years ago
4 0

Answer:

X can be - 1/2 or 0.5

2x0.5=-1

Step-by-step explanation:

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Pat has 9 cards. Frank has 2 more cards that Steve. Steve has 3 cards. How many mire cards does Pat have than Frank?
Dahasolnce [82]

Answer:

4

Step-by-step explanation:

Frank has 5 cards.

Steve has 3 cards.

Pat has 9 cards.

Therefore, Pat has 4 more cards than Frank.

Hope this helps!

3 0
2 years ago
Three rays have a common vertex on a line. Write and solve equations to find the measures of m and n
lukranit [14]

Answer:

n = 90 - 62

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m = 180 - (62 + 28 + 27)

m = 180 - 117

m = 63º

5 0
3 years ago
For an activity in class, student used pieces of string to measure road on a map. They used a map scale to determine the distanc
ivanzaharov [21]

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2 years ago
Can somebody plz help answer these questions (only if u know how to do this) thanks a lot! :)
Mamont248 [21]

Answer:

12. 3:12

Step-by-step explanation:

that is 12

4 0
2 years ago
The measure of an interior angle of a regular polygon is 120°. What is the measure of each exterior angle? The polygon has how m
Sunny_sXe [5.5K]

Answer:

60°, arms 6

Step-by-step explanation:

let the total arms = n

total generated angles in a regular polygon is = (n-2)×180

now,

(n-2)×180 = 120 n

or, 180n - 360 =120n

or, 60n = 360

or, n = 6

4 0
1 year ago
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