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blondinia [14]
3 years ago
14

Plz very urgent I need help on this question

Mathematics
1 answer:
iragen [17]3 years ago
5 0

You have to find the common divider, which is twelve in this case. So, when you multiply all of them with numbers to get twelve, and add them together, you will get:

12/12 + 6/12 + 9/12 + 2/12 = 29/12.

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<img src="https://tex.z-dn.net/?f=%28y%20-%201%29%28y%20%2B%203%29" id="TexFormula1" title="(y - 1)(y + 3)" alt="(y - 1)(y + 3)"
m_a_m_a [10]
Sense there's only a y, you'd assume y is 1 or 1y.

you'd make the 1 a negative 1 to get rid of the subtraction sign.

you'd add together the 2 ys making it 2y. then add -1 + 3, which would be 2.

so, the answer would be 2y + 2.
7 0
3 years ago
In a marble collection, 1/8 of the marbles are blue. Of the blue marbles, 1/2 have sparkles. What fraction of the marbles in the
Delvig [45]

Answer:

1/16

Step-by-step explanation:

if half the amount of blue marbles have sparkles you need to divide the amount of blue marbles in half

so 1/2 of 1/8 is 1/16

8 0
3 years ago
Mind my hand writing but I’m not sure what sign to put the “-“ or the “+” ?
Ierofanga [76]

hello!

so the answer that you put there is actually wrong and i'll tell you why and how to do it

so since you are adding the two:

-8x + 9x = x (so you got this part right)

-12 + 4 = -8 (this is where you got it wrong, -12 added 4 goes up in value to -8)

so the final answer is x - 8

i hope this helped and have a nice day!

4 0
3 years ago
Read 2 more answers
Solve the system by the elimination method.
joja [24]

Answer: B

Step-by-step explanation:

YOU MINUS 4 -4 WHICH IS -8 SO ITS B

8 0
3 years ago
Read 2 more answers
Me ayudan hacer este ejercicio con los pasos
Dimas [21]

Step-by-step explanation:

a) 2/5 × 5/7 = 10/35 ➡ 2/7 (if needed to simplify)

b) 16/25 × 2/4 = 32/100 ➡ 8/25

c) 15/6 ÷ 3/15 ➡ 15/6 × 15/3 = 25/2

d) 4/11 × 12/9 = 16/33

e) 3/5 × 7/12 = 7/20

f) 9/27 × 2/6 ➡ 9/27 × 6/2 = 3

7 0
3 years ago
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