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Neko [114]
2 years ago
9

A square is 4 inches. Kelsey drew a rectangle with the same area as the square. The length of Kelsey's rectangle is 8 inches. Wh

at is the perimeter,in inches, of Kelsey's rectangle?
Mathematics
1 answer:
Mekhanik [1.2K]2 years ago
5 0

Answer:

The answer is 20 inches

Step-by-step explanation:

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8 identical pens cost £12 work out the cost of 10 of these pens
katen-ka-za [31]

Ok. So, if 8 pens cost £12. Then we would divide £12 by 8. Each pen costs £1.5.

So now we are going to multiply £1.5 and 10. £1.5*10=15.

The total of 10 pens is £15.

I hope this helps, if you need any additional help, just ask. I am here to help you as needed.

3 0
3 years ago
The bicycle repair shop charged Devontae $34
dybincka [34]

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7 0
2 years ago
Given ABCE is a rectangle, D is the midpoint of CE<br> Prove AD =~ BD
Bas_tet [7]

Since the congruent operator is ≅ and since AD is congruent to BD, I'm going to assume that you want to prove that AD is congruent to BD.    
1. DE is equal to CD by definition since D is the midpoint of CE.  
2. AE is equal to BC since opposite sides of a rectangle are equal to each other.  
3. Angle AEC is equal to Angle BCE since all angles in a rectangle are right angles and all right angles are equal to each other.  
4. Triangles ADE and BDC are congruent to each other because we have SAS congruence for both triangles.  
5. AD is congruent to BC since they're corresponding sides of congruent triangles.
5 0
3 years ago
The sum of two numbers is 15 if the sum of their reciprocal is 3/10 find the numbers
malfutka [58]

Answer:

The numbers are 10 and 5

Step-by-step explanation:

x+y=15

(1/x)+(1/y)=(3/10)

(1/(15-y))+(1/y)=(3/10)

x=10, y=5

6 0
3 years ago
Find limit as x approaches -3- of x/(sqrt(x^2-9)
gregori [183]
lim_{x \rightarrow -3} \frac{x}{x^2-9} =lim_{x \rightarrow -3} \frac{1}{2x} = \frac{1}{2(-3)} =- \frac{1}{6}
5 0
3 years ago
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