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luda_lava [24]
3 years ago
7

The diagram shows corresponding lengths in two similar figures. Find the ratio of the perimeters and the ratio of the areas.

Mathematics
1 answer:
GREYUIT [131]3 years ago
7 0

15:20

divide each by 5

3:4

to find the ratio of the area's we square the ratio's of the sides

3^3 : 4^2

9:16


Choice B

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Given that f(x)=x/2+5,<br> a)find f(2)<br> b)find f^-1(x)<br> c)find f^-1(5)
Aleks04 [339]
A) 6
b) x/f
c) 5/f

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8 0
2 years ago
The diameter of a circle measures 28 mm. What is the circumference of the circle?
Papessa [141]

Answer:

C = 87.92 mm

General Formulas and Concepts:

<u>Symbols</u>

  • π (pi) ≈ 3.14

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right<u> </u>

<u>Geometry</u>

Circumference Formula: C = πd

  • <em>C</em> is circumference
  • <em>d</em> is diameter

Step-by-step explanation:

<u>Step 1: Define</u>

Diameter <em>d</em> = 28 mm

<u>Step 2: Solve</u>

  1. Substitute in variables [Circumference Formula]:                                          C = 3.14(28 mm)
  2. [Circumference] Multiply:                                                                                 C = 87.92 mm
8 0
2 years ago
The function y = 5x is graphed in the coordinate plane. Which point will not be on the line?
Mademuasel [1]
I think your answer is A. (0,5)
Hope this helps!! Have a great day!! :)))
6 0
3 years ago
Read 2 more answers
Xto the 2nd power - 49 = 0
AnnZ [28]

Answer:

7 to the second power... because 7 times is 49 and 49-49 is 0... so 7 to the second power

6 0
3 years ago
Twice the difference of a number and seven
levacccp [35]

The difference of a number and seven is x - 7. So twice that, would be:

2(x - 7)

4 0
3 years ago
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