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sladkih [1.3K]
4 years ago
15

5 and six help me please

Mathematics
2 answers:
melisa1 [442]4 years ago
6 0
3,6,9,12,15,18,21,24,27,30
6,12,18,24,30,36,42,48,54,60
Common multiples are: 6,12,18,24,30
mina [271]4 years ago
3 0
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Common: 20, 40
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Which ordered pair in the form (x, y) is a solution of this equation?
Natasha2012 [34]

(3, 1)

substitute each ordered pair into the left side of the equation and if equal to the right side then it is a solution

(4, 1 )

(4 + 6) × 1 = 10 × 1 = 10 ≠ 9 ← not a solution

(2, 1 )

(2 + 6 ) × 1 = 8 × 1 = 8 ≠ 9 ← not a solution

(3, 1 )

(3 + 6 ) × 1 = 9 × 1 = 9 ← hence a solution

(12, 2 )

(12 + 6 ) × 2 = 18 × 2 = 36 ≠ 9 ← not a solution


5 0
4 years ago
What is the value of x in the solution to the following system of equations? (5 points)
dlinn [17]
X should be -1 and Y = 2
To make sure, plug in numbers
----------------------------------------------------------
-1 - 2 = -3 That works, now we try equation 2
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x + (3)(2) = 5
-1 + 6 = 5
This works to
====================================================
X = -1 and Y = 2
7 0
3 years ago
How many times does 104 go into 21? What is the remainder?
taurus [48]
104 divided by 21 equals 4 with a remainder of 20, because 21 times 4 equals 84, and 104 - 84= 20.
6 0
4 years ago
How to find the lcm of 4 and. 2 2/3
Mkey [24]
The lowest common multiple or least common multiple is the lowest multiple two numbers have in common.
you could either:
•list the multiples
eg. What is the lowest common multiple of 2 and 3?
Multiples of 2: 2, 4, 6, 8...
Multiples of 3: 3, 6, 9...
The lowest common multiple of 2 and 3 is 6.

• or factors.
eg. The prime factors of 25 are 5 x 5.
The prime factors of 30 are 2 x 3 x 5.
Remove the 5 that 25 and 30 have in common as a prime factor.
Multiply 25 by the remaining prime factors of 30.
25 x 2 x 3 = 150.
The lowest common multiple of 25 and 30 is 150.

that’s not how to find the lowest of those numbers, but that’s how to do it :))
5 0
4 years ago
The length of a rectangular garden is three feet less than twice it’s width. If the perimeter of the garden is 42 feet, what is
Masja [62]

Answer:

The length of a rectangular garden is: 13 feet

Step-by-step explanation:

You have 2 lengths that are 2x-3 feet, and 2 widths that are x.

2x-3 + 2x-3 +x +x =42 feet

4x -6 +2x -42 feet

6x -6 = 42 feet

6x = 48 feet

x = 8 feet (so, 2x-3 = 16-3 = 13 feet)

3 0
3 years ago
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