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2 years ago

Factor with GCF 3x^2y + 6xy - 9xy^2

Mathematics

1 answer:

Vlad1618 [11]2 years ago

4 0

$3x^2y+6xy-9xy^2\\\\=3xy(x+2-3y)$

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Simplify the expression. Explain each step. <br> 6(2b)

8_murik_8 [283]

Answer:12b

Step-by-step explanation:

Here,

We have only one variable

So we can multiply it with number

=6×2b

=12b

Hope it helps you

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3 0

3 years ago

Read 2 more answers

(In picture) “Explain how you know you know using proportional lengths”

gregori [183]

9514 1404 393

Answer:

yes

Step-by-step explanation:

If GH║FE, then ∆DEF ~ ∆DHG.

In similar triangles, corresponding sides have the same ratios.

The ratios of corresponding sides are ...

DG/DF = DH/DE

DG/(DG + GF) = 18/(18+36)

(1/2GF)/((1/2GF +GF) = 1/3

(1/2)/(3/2) = 1/3

1/3 = 1/3

Corresponding sides are proportional. Angle D is congruent to itself, so ∆DEF ~ ∆DHG by the SAS similarity postulate. Angles DGH and DFE are therefore congruent and GH║FE.

7 0

3 years ago

what is the constant of proportionality relationship between the number of potatoes john peels,x, and the amount in time {minute

Alex17521 [72]

1 X Takes 3 Y

2 X Takes 6 Y

3 X Takes 6 Y
So on

7 0

3 years ago

A regular square pyramid has base edge b, height h, and slant height l. Three expressions give the surface area, A, of this pyra

S_A_V [24]

Answer:

1/3 . Abase . height

Step-by-step explanation:

Please find attached the complete question

a square pyramid is a pyramid that has a square base.

total surface area measures the total area of the surfaces of an object

the formula 1/3 x Area of the base x height is used to calculate the volume of the pyramid and not the surface area

7 0

3 years ago

9(m - 3) + 3m = 7m + 43

frozen [14]

$\begin{gathered} 9(m-3)+3m=7m+43 \\ \text{Multiply the parenthesis by 9 and you have} \\ \\ (9\times m-9\times\lbrack-3\rbrack)+3m=7m+43 \\ \text{Next you have} \\ 9m-27+3m=7m+43 \\ \text{Note that the 9 multiplies the m to get 9m,} \\ \text{and the 9 also multiplies the negative 3 to arrive at negative 27.} \\ \text{After applying 9 to open the parenthesis, you now have } \\ 9m-27+3m=7m+43 \\ \text{You collect like terms. In this case all expressions that have m are like terms} \\ \text{The ones that does not have m are also like terms but, separate} \\ \text{Collect like terms with m on to the left hand side} \\ 9m+3m-7m=43+27 \\ \text{Note that whenever a positive number moves over across the sign of equality,} \\ it\text{ becomes a negative number and vice versa.} \\ \text{Hence 7m has moved and now becomes -7m} \\ \text{Also -27 has moved and now becomes +27} \\ 9m+3m-7m=43+27 \\ 5m=70 \\ \text{Divide both sides by 5 to eliminate it from the left side} \\ \text{and hence m would now stand alone} \\ \frac{5m}{5}=\frac{70}{5} \\ m=14 \end{gathered}$

5 0

2 years ago