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ValentinkaMS [17]
2 years ago
13

Determine the scale factor for triangle abc to triangle ab^ prime c^ prime a 20 ft 10 2 b. 10 c. 20 1/2

Mathematics
1 answer:
Sergio [31]2 years ago
4 0

Answer: 2

Step-by-step explanation:

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Molly is birdwatching at the coast. She has seen 2 egrets and 4 other birds. Considering this data, how many of the next 39 bird
kolbaska11 [484]

Answer:

13 egrets

Step-by-step explanation:

According to the Question,

Given That, Molly is birdwatching at the coast. She has seen 2 egrets and 4 other birds. Considering this data.

Therefore, The next 39 birds Molly sees would you expect to be egrets is

⇒ (39/6)×2 =  13 egrets.

4 0
3 years ago
What is simple interest rate if p=$4000,t=2years,and I=$320
PolarNik [594]
I=PRT
R=percetnt in decimal form
x%=x/100

I=320
T=2
P=4000
320=(4000)(x/100)(2)
320=8000(x/100)
320=80x
divide both sides by 80
4=x
answer is 4%
6 0
4 years ago
Read 2 more answers
A rectangle has a perimeter of 25 meters. If the lengths of the sides of the rectangle are multiplied by 7 to make a new rectang
juin [17]

Answer:

175 m

Step-by-step explanation:

We are given;

  • The perimeter of a rectangle as 25 m

We are required to determine the new perimeter if the sides of the rectangle are multiplied by 7.

We know that;

Perimeter of a rectangle = 2(L+W)

Therefore, initially;

2(L+W) = 25 m

Hence;

L + W = 12.5 m

if the sides are multiplied by 7, then;

New length = 7L

New Width = 7W

Thus;

New perimeter = 2(7L+7W)

                         = 14 (L + W)

but, L + W = 12.5

Thus;

New perimeter = 14 (12.5)

                         = 175 m

Therefore, the new perimeter will be 175 m

7 0
4 years ago
These are the answers.........................
Reika [66]
Thank youuuu so muchhh :)))
6 0
3 years ago
A= x^2 -30x+225 The polynomial represents the area (in square feet) of the square playground. a. Write a polynomial that represe
Setler [38]

Answer:

a) The polynomial is equivalent to A = (x-15)^{2}, and the side length of the playground is x -15 feet.

b) The perimeter of the playground, measured in feet, is p = 4\cdot (x-15).

Step-by-step explanation:

a) By Geometry, we know that area of the square is equal to the square of the side length. If A = x^{2}-30\cdot x +225 is the area of the square, then must be a perfect square trinomial, that is:

(x-a)^{2} = x^{2}-2\cdot a\cdot x + a^{2} (1)

Then, we must observe the following properties:

-2\cdot a = -30 (2)

a = 15

a^{2} = 225 (3)

a = 15

Therefore, the polynomial is equivalent to A = (x-15)^{2}, and the side length of the playground is x -15 feet.

b) The perimeter of a square equals four times the side length. That is:

p = 4\cdot (x-15)

The perimeter of the playground, measured in feet, is p = 4\cdot (x-15).

7 0
3 years ago
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