3 years ago

What is the sun of the equation 9 + 9+9

Mathematics

1 answer:

DerKrebs [107]3 years ago

4 0

The sum is 27 you just need to add them all together

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Charles bought 7/8 foot of electrical wire and 5/6 foot of copper wire for his science project .What is the least common denomin

coldgirl [10]

Answer:

The least common denominator of the fractions is 24

Step-by-step explanation:

we know that

The least common denominator (LCD) is the smallest number that can be a common denominator for a set of fractions

we have

7/8

Multiples of 8 -------> 8,16,24,32,...

5/6

Multiples of 6 -------> 6,12,18,24,...

24 is a common multiple of 6 and 8. It is their lowest common multiple

Alternative Method

we have

$8=2^{3}$

$6=2*3$

The least common multiple are those common and non-common numbers with the greatest exponent

$lcm= 2^{3}*3=24$

6 0

4 years ago

Need to know a number bio for 5/8 break apart 3 ways

Fynjy0 [20]

Answer:

.208333... (as a fraction 5/24)

Step-by-step explanation:

5 divided by 8 = 0.625

.625 divided by 3 = .208333...

5/24

5*1 / 8*3 = 5/24. Therefore, 5/8 divided by 3 is equal to 5/24. In math you can flip the second denominator and numerator to multiply instead of dividing.

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3 years ago

What is the answer to this equation -20 +(-9)

ANTONII [103]

Answer:

-29

Step-by-step explanation:

they are both negative so u add them.

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Anna007 [38]

Answer:

Arachnid is my guess.

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