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Darya [45]
3 years ago
5

Help me pleaseeeeeee?

Mathematics
2 answers:
8_murik_8 [283]3 years ago
8 0

For this case we must simplify the following expression:

4-5-2x-4y + 4-5x + 7y

We must combine similar terms, taking into account that equal signs are added and the same sign is placed, while different signs are subtracted and the sign of the greater is placed:

4-5 + 4-2x-5x-4y + 7y =\\3-7x + 3y

Answer:

3-7x + 3y

BlackZzzverrR [31]3 years ago
6 0

Answer:

-7x+3y+3

Step-by-step explanation:

(4-5+4)=3

(-2x-5x)=-7x

(-4y+7y)=3y

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Patrick wants to buy a rug for a section of his living room. When he approaches a rug vendor, which measurement would be most ap
Kazeer [188]
Usually, rugs have a rectangular shape, therefore the section of the living room that Patrick wants to cover is a rectangle.

The area of a rectangle can be found by multiplying the length and the width of the rectangle:
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Hence, the most appropriate measurements Patrick should provide are the length and the width of the section of his living room he wants to cover.

8 0
2 years ago
How do you find the area of this composite figure?
Illusion [34]
If you notice the picture below

the composite figure is just a trapezoid sitting on top of a rectangle
and then, the rectangle has a triangular hole in it

so.. get the area of the trapezoid   \bf \textit{area of a trapezoid}=A=\cfrac{h}{2}(a+b)\qquad 
\begin{cases}
h=height\\
a,b=\textit{parallel sides or bases}
\end{cases}

then get the area of the rectangle, which is just a 12x14
and then get the area of the triangle, which surely you know is 1/2 bh

then, subtract the triangle's area from the rectangle's area

and whatever is left, namely the difference, add that to the area of the trapezoid, and that's the composite's area

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6 0
3 years ago
The functions r and s are defined as follows. r(x)=-x-5 s(x)= -2x-5 . Find the value of s(r(4)).
Svet_ta [14]

Answer:

s(r(4)) = 13

Step-by-step explanation:

Substitute and calculate:


s(r(4)) = 13

6 0
2 years ago
The ratio of boys to girls is 4 to 7. If there are 32 boys, then how many girls?
netineya [11]

Answer:

There are 56 girls

Step-by-step explanation:

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3 0
3 years ago
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ololo11 [35]

Answer:

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