2 years ago

7.15z + 2.3z = ?z i hate math

Mathematics

1 answer:

Nitella [24]2 years ago

3 0

Answer:

9.45z :)

Step-by-step explanation:

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7g – 2g + g + 3g = 18

In-s [12.5K]

G = 2

Hope This Is Sufficient !!

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3 years ago

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I need help, i do not understand, this is pythagorean theorem

ser-zykov [4K]

Answer:

11.2

Step-by-step explanation:

First draw an imaginary straight line to separate the two shapes.

You will have a side of 10 in the traingle

And a side of 13 - 8 =5

Then

Using pythagoras theorem

Sqrt(10^2+5^2)=11.180

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2 years ago

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LekaFEV [45]

The third one: No, yes, no

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2 years ago

A recursive rule for an arithmetic sequence is a1 = −4; an = an−1 + 11

Ivenika [448]

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2 years ago

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

4 0

1 year ago