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Norma-Jean [14]
3 years ago
6

Help, please Giving you 39 points!!

Mathematics
1 answer:
vova2212 [387]3 years ago
6 0

Answer:

n = 10

Step-by-step explanation:

The triangles are equal by SSS theorem, therefore the 2 angles given with a variable must be equal.

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Claire has a hot tube with a diameter of 7feet.She wants to purchase a cover to protect the hot tub.What is the area of the cove
Vikki [24]

Answer:

38.465 ft²

Step-by-step explanation:

the area of a circle can be calculated using the following formula:

A=\pi *r^2

the radius is half of the diameter:

\frac{1}{2} *7=3.5

\pi *3.5^2=38.465\\\pi * 12.25 = 38.465

8 0
3 years ago
Given O A ‾ ⊥ O C ‾ OA ⊥ OC start overline, O, A, end overline, \perp, start overline, O, C, end overline m ∠ B O C = 6 x − 6 ∘
Sphinxa [80]

Answer:

x = 8

m∠BOC = 37°

m∠AOB = 53°

Step-by-step explanation:

If OA is perpendicular to OC, this means that <AOC = 90°

Given

m∠BOC=6x−6

m ∠AOB = 5 x + 8

The expression is true

m∠BOC+m∠AOB= m∠AOC

6x-6+5x+8 = 90

Find x:

11x + 2 = 90

11x = 90-2

11x = 88

x = 88/11

x =8

Get m∠BOC:

m∠BOC= 6x-6

m∠BOC= 6(8)-11

m∠BOC = 48-11

m∠BOC= 37°

Get m∠AOB;

m∠AOB = 90-m∠BOC

m∠AOB =90-37

m∠AOB = 53°

7 0
3 years ago
Read 2 more answers
To which subsets of real numbers does the number -22 belong?
Sergeu [11.5K]

Answer: A -22 can be a rational number as well as a integer

Step-by-step explanation:

Whole Number: A whole number is not a fraction or a decimal so a example would be: 43 or 85 or 1 or 3. Zero is not a whole number. Negative are not whole numbers

Rational number: A rational number is a number that can be expressed as a fraction or a decimal. Like 33 can be 33/1. Most numbers are rational. Zero is a rational number.

Integers: A integer is not a fraction or a decimal. its a positive or negative number. Example: 1 or -5 or 85 or -445. there is still some arguments about if zero is a integer.

Irrational numbers: A irrational number cannot be expressed as a ratio. So for example pi: 3.141592653589......(it keeps on going, we haven't even gotten to the end because its infinite).

Natural numbers: Natural numbers are positive numbers. Example: 1,6,3,4,62,3 etc. Sometimes zero is a natural number.

Hope I helped,

:)

6 0
4 years ago
Will the given side lengths form a right triangle?<br><br> 1, 2, 5
jek_recluse [69]

Step-by-step explanation:

For 3 side lengths of a triangle to form a right triangle, the sum of the squares of the 2 smaller side lengths must be equal to the square of the largest side. (a² + b² = c²)

Since 1² + 2² =/= 5², (5 =/= 25)

it will not form a right triangle.

Another Explanation:

Since 5 > 1 + 2, the sum of the 2 smaller side lengths is less than the largest side. Hence it will not form a triangle => not form a right triangle.

3 0
3 years ago
What is the opposite integer of 6
kotykmax [81]
It would be negative six.
3 0
3 years ago
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