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Setler79 [48]
3 years ago
13

The diagram shows a rectangle and a square.

Mathematics
1 answer:
Alex777 [14]3 years ago
3 0

Answer:

  4 cm

Step-by-step explanation:

The side of the square will be the average of the two sides of the rectangle with the same perimeter.

Formulas for the perimeters are ...

  P = 2(L+W)

  P = 4s

Equating these gives ...

  4s = 2(L+W)

  s = (L +W)/2 . . . . . divide by 4

For the given side lengths, ...

  s = (2 cm +6 cm)/2 = (8/2) cm = 4 cm

The length of one side of the square is 4 cm.

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FIND THE AREA OF THE (RECTANGLE)
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Answer:

374

Step-by-step explanation:

A = l×w

A=17×22

A=374

4 0
3 years ago
A parabola is represented by the equation y2 = 5x. which equation represents the directrix?
ivann1987 [24]

The value of the directrix is -5/4.

According to the statement

we have given that the equation of parabola is y2 = 5x. And we have to find that the which equation represents the directrix.

We know that the general equation of parabola is

(y - k)2 = 4a(x - h)  -(1)

and given parabola equation is

y2 = 5x.  -(2)

After comparing the both equations we get k=0 and h=0

And the formula to find the directrix is

x = h - a

Substitute the values of h and a in it then

x = 0-5/4

x = -5/4.

Here the directrix is -5/4.

So, The value of the directrix is -5/4.

Learn more about the Parabola here brainly.com/question/4061870

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7 0
1 year ago
A conditional statement and it's_______ must always have the same truth value.
Romashka [77]
Answer: C) Contrapositive

The original conditional is in the form "If P, then Q"
The contrapositive is in the form "If not Q, then not P"
You flip the order of P and Q, and you also negate each piece. The original conditional and contrapositive can be proven to have the same truth values through the use of a truth table. 
5 0
2 years ago
the number of girls and boys in math class totals 27. how many girls are there if the of girls is 3 more than twice the number b
leonid [27]

Answer: 15 girls

Step-by-step explanation:

27 - 3 = 24

24/2 = 12

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15 girls

15+ 12 = 27

7 0
2 years ago
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nalin [4]

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8 0
3 years ago
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