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Serggg [28]
3 years ago
12

Suppose that 3 PLS HELP NEED ANSWER

Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0

Answer:with?

Step-by-step explanation:

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The perimeter of a rectangle is 30 cm and its length is x cm. Find its area in terms of x. step by step explanation.​
mars1129 [50]

Answer:

The area of the rectangle in terms of 'x' = 13x

Step-by-step explanation:

  • Perimeter = 30 cm
  • Length = x cm

Using the perimeter formula to find the width w.

P=2(l+w)

P = 2l + 2w

2w = P-2l

Dividing both sides by 2

w\:=\:\frac{P}{2}-2

as P = 30 cm

w\:=\:\frac{30}{2}-2

w\:=\:15-2

w = 13 cm

Using the formula of the rectangle area

A = wl

substitute w = 13 and l = x in the formula

A=13\times \:x

A = 13x

Therefore, the area of the rectangle in terms of 'x' = 13x

7 0
2 years ago
Could someone please explain this problem to me?
disa [49]

Answer:

8/3

Step-by-step explanation:

Because all 4 angles are congruent, the sides are proportional.

the scale factor is 5/30 = 1/6.

meaning x = 16(1/6)=8/3.

7 0
2 years ago
When writing a geometric proof, which angle relationship could be used alone to justify that two angles are congruent?
Allisa [31]
Vertical angles i believe is the right answer to this problem
5 0
3 years ago
Read 2 more answers
Someone help please
Rzqust [24]

Answer:

A=(b^2)h/2

Step-by-step explanation:

7 0
2 years ago
Solve for x<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D%20%2B8-5%3D-2" id="TexFormula1" title="\sqrt{x} +8-5=-2" alt="\sqrt{
AlekseyPX

<h3><u>Step-by-step explanation:</u></h3><h3>√x+8=-5+2</h3><h3>√x+8=-2+5</h3><h3>√x+8=3</h3><h3>x+8=9</h3><h3>x=9-8</h3><h3>x=1</h3><h3><u> <em>I </em><em>hope </em><em>it'll </em><em>help </em><em>you</em><em>.</em><em>.</em></u></h3>
4 0
1 year ago
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