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ValentinkaMS [17]
3 years ago
5

What is the value of x?

Mathematics
1 answer:
allochka39001 [22]3 years ago
8 0

Answer:

80°

Step-by-step explanation:

Central Angles and the Arc they create are equal

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A group of 24 people need to take an elevator to the top floor. They will go in groups of eight. They are deciding who will take
snow_lady [41]

Answer:there are 3 groups so yea

Step-by-step explanation:

18 times 3 is 24 so there will have to be 3 elevators

4 0
3 years ago
Read 2 more answers
Answers for the 2 boxes please ​
Andreas93 [3]

Answer:

(5,14)

Step-by-step explanation:

4x+6=2x-4

2x=10

x=5

y=2x+4

y=2(5)+4

y=14

4 0
3 years ago
Prove that the cube root of 2 is irrational.
harina [27]
The cube root of 2 is irrational. The proof that the square root of 2 is irrational may be used, with only slight modification. Assume the cube root of 2 is rational. Then, it may be written as a/b, where a and b are integers with no common factors. (This is possible for all nonzero rational numbers). Since a/b is the cube root of 2, its cube must equal 2. That is, (a/b)3 = 2 a3/b3 = 2 a3 = 2b3. The right side is even, so the left side must be even also, thatis, a3 is even. Since a3 is even, a is also even (because the cube of an odd number is always odd). Since a is even, there exists an integer c such that a = 2c. Now, (2c)3 = 2b3 8c3 = 2b3 4c3 = b3. The left side is now even, so the right side must be even too. The product of two odd numbers is always odd, so b3 cannot be odd; it must be even. Therefore b is even as well. Since a and b are both even, the fraction a/b is not in lowest terms, thus contradicting our initial assumption. Since the initial assumption cannot have been true, it must <span>be false, and the cube root of 2 is irrational.
</span>
8 0
4 years ago
Solve the equation for x, 3(2x-5) - 3(x - 7) = 2x - 9​
AVprozaik [17]

Answer:

x = -15

Step-by-step explanation:

Step 1: Write equation

3(2x - 5) - 3(x - 7) = 2x - 9

Step 2: Distribute

6x - 15 - 3x + 21 = 2x - 9

Step 3: Combine like terms

3x + 6 = 2x - 9

Step 4: Subtract 2x on both sides

x + 6 = -9

Step 5: Subtract 6 on both sides

x = -15

5 0
3 years ago
What is the 8th term in the sequence?<br><br><br> an=25−3n
Andru [333]

Answer:

<h2>a₈ = 1</h2>

Step-by-step explanation:

\text{Put}\ n=8\ \text{to the sequence}\ a_n=25-3n:\\\\a_8=25-3(8)=25-24=1

8 0
4 years ago
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