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S_A_V [24]
3 years ago
11

What is the common denominator for 3/5+3/4

Mathematics
2 answers:
tino4ka555 [31]3 years ago
7 0

Answer:

LCD (3 /5 , 3/ 4 ) = LCM(5, 4) = 2²×5 = 20

Step-by-step explanation:

The lowest common denominator or least common denominator (abbreviated LCD) is the least common multiple of the denominators of a set of fractions. It is the smallest positive integer that is a multiple of each denominator in the set.

nadezda [96]3 years ago
3 0
The common denominator is 20
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You want to rent a limousine for a trip to the city. The limo costs $700 for the night and $0.15 per mile. You have $750 to spen
Svetradugi [14.3K]
We know:
You have $750 to spend.
A limo costs $700.
They charge $0.15 per mile.

Since we want both sides to balance out, we simply put the solution (how much we have to spend) on one side of the equation, and then the rest on the other side as shown here:

$750 (balance) = $700 (how much renting the limo costs) + 0.15x (it's a decimal since it's 15 cents per mile; the x represents however many miles the limo can travel before it reaches the $750 cap (on the left side of the equation))

Basically:
$750 = $700 + $0.15x

Now, if you want to solve how many miles the limo can travel, simply subtract $700 from both sides (subtract it from the $750).
$750 - $700 = $50

The equation should now be $50 = $0.15x
Isolate x (divide $0.15 to both sides) so:
$50 ÷ $0.15 = 333

The limo can travel a maximum of 333 miles.
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2 years ago
35 less than seven times a certain number is fifty-three more than 3 times that number. What is the number?
Dovator [93]

Answer:

70

Step-by-step explanation:

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What is the equation of a line that has a slope of 3 and a y-intercept of -3
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The slope-intercept form:

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<h3>y = 3x - 3</h3>
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