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Wittaler [7]
3 years ago
9

Please help! if anybody is good at equivalent polynomial expressions please help!!

Mathematics
1 answer:
scoundrel [369]3 years ago
7 0
The one you have highlighted is correct
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Write the area A of a square as a function of its perimeter P. ...?
Svetradugi [14.3K]
The answer is A = P²/16

The perimeter P of a square is sum of its sides s: P = s + s + s + s = 4s
The area A of a square with side s is: A = s * s  = s²

Step 1: Solve s from the formula for the perimeter.
Step 2: substitute s from the formula for the perimeter into the formula for the area.

Step 1:
P = 4s
s = P/4

Step 2:
A = s²
s = P/4
A = (P/4)²
A = P²/4²
A = P²/16
4 0
3 years ago
The width of a DVD case is the same as the width of a
konstantin123 [22]

Answer:

12m

Step-by-step explanation:

Given that the area of the square  DVD case is 144 square cm

Since Area = L²

144 =L²

L = √144

L = 12m

Since the width of the DVD and its case are the same, hence the with of the DVD is also 12m

5 0
3 years ago
Need help with this 8/4+3/4=?
ANEK [815]

Answer:

11/4 or 2 3/4

Step-by-step explanation:

add numerators keep the same denominator

6 0
3 years ago
Read 2 more answers
I need help on this.
liraira [26]

If the triangles are similar, the proportion of the legs on the left to the legs on the right will be equal.  This proportion would look like:

\frac{2x+1}{3x}=\frac{10}{14}

(You needed to combine the orange segment and the yellow segment to find the total length of the large triangle).


Now, cross multiply and solve for x:

28x+14=30x

<em>*Subtract 28x from both sides to isolate the variable*</em>

14=2x

<em>*Divide both sides by 2*</em>

7=x


Hope this helps!!

7 0
3 years ago
2. If the ratio of two supplementary angles is 4:5, then what are the measures<br> of both angles?
ivann1987 [24]

Answer:

4x+5x=90

9x=90

x=90/9

x=10

4x=40

5x=50

hence the angles are 40 degree and 50 degree respectively.

Hope this may help you

Thank you

3 0
2 years ago
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