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bekas [8.4K]
1 year ago
10

Rewrite in simplest terms: 7(9y + 2y – 6) – 9y

Mathematics
1 answer:
zlopas [31]1 year ago
4 0

Simplify the expression.

\begin{gathered} 7(9y+2y-6)-9y=7(11y-6)-9y \\ =7\cdot11y-7\cdot6-9y \\ =77y-42-9y \\ =68y-42 \end{gathered}

So answer is 68y - 42.

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A triangle has vertices at f (-7,3),g(2,6) and h(3,5)
Allisa [31]

Answer:

F(-7,3)  -> F'(-7,-3)

G(2,6) -> G'(2,-6)

H(3,5) ->H'(3,-5)

Step-by-step explanation:

If you are taking point (a,b) and reflecting it across the x-axis (the horizontal axis), your x value is going to stay the same because you want the point on the same vertical line as (a,b).  The y-coordinate is going to be opposite because you want a reflection and the opposite of b will this give you the same distance from the x-axis as b.

So the transformation is this: (a,b)  -> (a,-b).

All this means is leave x the same and take the opposite of y.

F(-7,3)  -> F'(-7,-3)

G(2,6) -> G'(2,-6)

H(3,5) ->H'(3,-5)

4 0
3 years ago
The equation of a straight line is y+10=5x
MariettaO [177]

Answer:

y=5x-10

Step-by-step explanation:

y+10=5x

y=5x-10

4 0
4 years ago
Two similar triangles have have areas of 75 m2 and 12 m2. find the ratio of the perimeters
soldi70 [24.7K]

we know that having similar triangles so the ratio of sides,area and volume are same.

s/s=s^2/s^2

we know that s^2 will be the area of triangle.

s^2/s^2=75/12

so s/s=\sqrt{75/12}

so the ratio of the perimeter of two triangles will be

(s+s+s)/(s+s+s)=(\sqrt{75} +\sqrt{75} +\sqrt{75} )/(\sqrt{12}+\sqrt{12} +\sqrt{12} )

ratio of the perimeter=\sqrt{225} /\sqrt{36}

8 0
3 years ago
Read 2 more answers
Please help I don't understand <br><br> y= 4(22-4)<br> ÷<br> 3(6)+6
xxMikexx [17]

The answers is

y = 150

y-(4*(22-4)/3*(6)+6)=0

Step 1 :

Simplify\frac{6}{1}

Step Two:

y - 150 = 0


5 0
3 years ago
What property is this? -9+(4+x) =(-9+4)+x
wlad13 [49]

Answer:

Associative Property

Step-by-step explanation:

The associative property lets us change the grouping, or move grouping symbols (parentheses).

3 0
3 years ago
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