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PSYCHO15rus [73]
3 years ago
14

PLEASE HELP

Mathematics
1 answer:
Ad libitum [116K]3 years ago
7 0
This the answer don’t worry about the
Answer

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Help pls, i'm stuck on this question
dalvyx [7]

Answer:

∠x = 60°

Step-by-step explanation:

first:

∠a = 60° was given

the sides on each side of ∠a are equal so their opposite angles are equal also.

The sum of the interior angles of any triangle is 180°

The angles opposite ∠a are (180° - 60°)/2 = 60° each

Second:

∠b = 60° was given

so the angles opposite ∠b are also 60° each

Third:

the 2 angles opposite x are both 60° each because they are both vertical angles to 60°

That leaves ∠x  to be 180° - 60° - 60° = 60°

5 0
3 years ago
1. Evaluate cos-1 (tan (0))
katrin [286]

Answer:

pi/2

Step-by-step explanation:

Arccos(tan(0))

Arccos( 0) since tan(0)=0

Arccos(0)=pi/2 since cos(pi/2)=0 and the restricted domain of cosine is [0,pi].

3 0
3 years ago
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Megan wants to build a bird feeder she buys 8 1/2 feet long the cost of the wooden board is 2.50$ per foot what is the cost in d
VARVARA [1.3K]

Answer:

21.25

Step-by-step explanation:

so what I did was i x 8 and 1/2 by 2.50

4 0
3 years ago
How many inches are in 4 1/2 yards of fabric?
Verdich [7]

Answer:

162 inches

Explanation:

A yard is 36  inches. So just multiply 4.5 by 36 .

PS:

Can I have Brainliest?

7 0
3 years ago
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Thirty students are eating lunch at 5 tables. Each table has the same number of students. How many students are sitting at each
kaheart [24]
30 ÷ 5
6 students at each table

Hope this helps!
5 0
3 years ago
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