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alexandr1967 [171]
4 years ago
6

What is the area of the circle r=4.1 in

Mathematics
1 answer:
anygoal [31]4 years ago
6 0

Answer:

Step-by-step explanation:

r = 4.1in and π = 22/7

Area oof circle = πr²

Area of circle = 22/7 × 4.1²

Area of circle = 3.14 × 16.81

Area of circle = 52.78in²

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Which of these is an example of driving at an average rate of 20 miles per hour?
dlinn [17]
Driving 40 miles in 2 hours is the answer
4 0
3 years ago
Ava has two frogs. This is 1/4 the number of frogs that Heather has. How many frogs does Heather have?
oksano4ka [1.4K]

Answer:

8

Step-by-step explanation:

2 x 4

7 0
3 years ago
Read 2 more answers
Which ordered pair represents the y-intercept of the graph of the equation y = -3x - 9?
Mnenie [13.5K]
------------------------------------------------------------------------------------------
Equation
------------------------------------------------------------------------------------------
y = -3x - 9

------------------------------------------------------------------------------------------
Option 1
------------------------------------------------------------------------------------------
If I substitute x = -9, I should get y = 0

When x = -9
y = -3 (-9) - 9
= 18 (I did not get 0, wrong)


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Option 2
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If I substitute x = -3, I should get y = 0
y = -3(-3) - 9
y = 9 - 9 
y = 0 (Yes, I got 0, correct)


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Option 3
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If I substitute x = 0, I should get y = -3
y = -3 (0) - 9
y = 0 - 9
y = -9 (I did not get -3, wrong)


------------------------------------------------------------------------------------------
Option 4
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If I substitute x = 0, I should get y = -9
y = -3 (0) - 9
y = 0 - 9
y = -9 (Yes, I got -9, correct)


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Answer: (-3, 0) and (0, 9) are ordered pairs of the equation (Answer B, D)
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7 0
3 years ago
A machine worked for 5 hours and used 4 kilowats if electricity. The machine used ------ of a kilowatt each hour it worked.
slega [8]

Answer:

0.8 kilowatt/hour

Step-by-step explanation:

divide 4/5, gives you .

8 0
4 years ago
PLEASE HELP ASAP!! WILL GIVE BRAINIEST + 30 POINTS!!
Goryan [66]

Given rectangle RUTS, the missing reasons that justifies the five statements in the two-column proof are:

  1. Given
  2. Definition of rectangle.
  3. Definition of rectangle.
  4. By SAS Congruence Theorem.
  5. By CPCTC.

<h3>What is a Rectangle?</h3>
  • A rectangle is a quadrilateral.
  • All four angles in a rectangle are right angles.
  • The opposite sides of a rectangle are parallel and congruent to each other.

Therefore, based on what we are given and the definition of a rectangle, we can establish that △URS ≅ △STU by SAS.

Since △URS ≅ △STU, therefore ∠USR = ∠SUT by CPCTC.

In conclusion, given rectangle RUTS, the missing reasons that justifies the five statements in the two-column proof are:

  1. Given
  2. Definition of rectangle.
  3. Definition of rectangle.
  4. By SAS Congruence Theorem.
  5. By CPCTC.

Learn more about properties of rectangle on:

brainly.com/question/2835318

6 0
2 years ago
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