3 years ago

Pls help I will give you 15 points

Mathematics

1 answer:

STALIN [3.7K]3 years ago

8 0

Answer:

Ana still needs to read 1/5 of th journal

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Factor the greatest common factor from the polynomial 3x^2 + 6x -9

ryzh [129]

Answer:

$3(x+3)(x -1)$

Step-by-step explanation:

$3x^2 + 6x -9$

All the terms in this polynomial are divisible by 3. Factor 3 out of this polynomial:

$= 3(x^2 + 2x -3)$

Now, factor inside the parentheses by grouping:

$= 3(x^2 -1x+3x -3)$

We knew to split the +2x up into -1x and 3x because -1 and 3 multiply to get -3, which is the last value in the polynomial.

$= 3(x(x -1)+3(x -1))\\= 3(x+3)(x -1)$

Therefore, the final factored polynomial is $3(x+3)(x -1)$ .

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2 years ago

The midpoint of AB is M(-3,2). If the coordinates of A are (-1, -3), what are

BaLLatris [955]

Answer:

the coordinates of B is (-5,7)

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3 years ago

1/2 - [-1/4+2/3] how do you solve this value of the expression

Shkiper50 [21]

Answer:

1/12

Step-by-step explanation:

1/2-[-1/4+2/3]

1/2-[-3/12+8/12]

1/2-[5/12]

1/2-5/12

6/12-5/12

1/12

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3 years ago

In a nursery class of 18 pupils, the average is

melamori03 [73]

Answer:

The sum of the age of pupils is 81

Step-by-step explanation:

Let sum of age of 18pupils = x

Average ages = 4.5

Average = total/no. of pupil

4.5 = x/18

x = 81

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