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Nostrana [21]
3 years ago
5

What are factors of 30

Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
8 0
1,2,3,5,6,10,15,30 because by looking at the number at the ones place, when it is 0 or an odd number, it could be divided by 2. When the places are added together and when it is divisible by 3, it is the factor of 3. Also, when there are 2 and 3 as a factor, it is also divisible by 6.
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Help please!!! will mark brainliest
xxMikexx [17]

Answer:

f(x) = - 2 (x + 2)² + 6

Step-by-step explanation:

The equation of a parabola in vertex form is

y = a(x - h)² + k

where (h, k) are the coordinates of the vertex and a is a multiplier

Here (h, k) = (- 2, 6), thus

y = a(x - (- 2))² + 6, that is

y = a(x + 2)² + 6

To find a substitute the point (0, - 2) into the equation

- 2 = a(0 + 2)² + 6 ( subtract 6 from both sides )

- 8 = 4a ( divide both sides by 4 )

- 2 = a

f(x) = - 2(x + 2)² + 6 ← in vertex form

6 0
3 years ago
Solve the system using substitution. <br><br> 2x + 2y = 30<br> y - 4x = 0<br><br> ( _ , _ )
Kay [80]

Answer:

x = 3

y= 12

Step-by-step explanation:

2x + 2y = 30

y - 4x = 0  /*2

2x + 2y = 30

2y - 8x = 0

-----------------

10x = 30

x = 3

y= 12

7 0
3 years ago
Read 2 more answers
Lev has 9 tens . Jim has 1 ten. They put all their tens together. Dawn puts 9 ones with the tens. What number did they make?
Olegator [25]
The answer would be 109. 9 tens is 90, and 1 ten is 10, 90+10=100 plus the 9 ones that Dawn put, 109
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3 years ago
3x - 2(x - 1) ≤ 2x - 10
saveliy_v [14]

Answer:

<em>x  </em>\geq 12

Step-by-step explanation:

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