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Diano4ka-milaya [45]
4 years ago
11

When we add/subtract fractions, why do we need denominators?​

Mathematics
1 answer:
adoni [48]4 years ago
6 0

Answer:

Step-by-step explanation:

so we know what to add or subtract by

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PLZ HELP!!!!!! (WILL GIVE BRAINLIEST!!!!)
disa [49]
3 x 2 is 6. 6 x 5 is 30.. There you go, the answer is 30.
5 0
3 years ago
What are the real and imaginary parts of the complex number? -11+3i
liraira [26]

Answer:

-11 is real and 3i is

Step-by-step explanation:

i is a imaginary number is equals to rad(-1) which doesn't exist

8 0
3 years ago
Two number cubes are rolled.
Olegator [25]
Cubes have 6 numbers
3 odd, 3 even

probablity=desiredoutcome/totalpossibleoutcomes
there are 6 total desired outcomes (3 on each cube)
total possible, there are 6*6 or 36 total possible outcomes
so 6/36 or 1/6 chance
3 0
4 years ago
Read 2 more answers
352,345,338,... Find the 43rd term
Airida [17]

Step-by-step explanation:

it seems we are dealing with subtraction, as the differences between the 1st and second, and between the 2nd and 3rd numbers are equal : -7

so, we can assume that the sequence is created by always subtracting 7.

a1 = 352

a2 = a1 - 7 = 352 - 7 = 345

a3 = a2 - 7 = a1 - 7 - 7 = 352 - 7 - 7 = 338

an = an-1 - 7 = a1 - 7(n-1) = 352 - 7(n-1)

a43 = 352 - 7(43-1) = 352 - 7×42 = 352 - 294 = 58

5 0
3 years ago
Solve for each equation 3 1/4 = 1/2 + w
Amiraneli [1.4K]

Answer:

w = - \frac{58}{31}

Step-by-step explanation:

3 1/4 = 1/2 + w

Cross Multiply

31(2 + w) = 4

Divide both sides by 31

\frac{31(2 + w)}{31} = \frac{4}{31} (simplify) -> 2 + w = \frac{4}{31}

Subtract 2 from both sides

2 + w - 2 + \frac{4}{31} - 2 (simplify) -> - \frac{58}{31}

w = - \frac{58}{31}

5 0
3 years ago
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