Circumference of the circle is 2.54 what's the area
Circumference of the circle is 2.54 what's the area - 1

Answers

Answer 1
Answer: A= π r^2, and we don't know r, so we'll have to use r = √C/π.

√C is and infinite number, and the square root of 
π is an infinite number, so this problem is impossible.

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If A and B are complementary angles and A = (8x+20), B = (7x-5) find A
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Joey has 40 chocolate bars. He gave 30 away. How many does he have?

Answers

Your answer is 10.

40-30=10

Have a nice day/night!!!

Answer:

10....... and friends with diabetes

Step-by-step explanation:

Sara wants to find the input value that produces the same output for the functions represented by the tables.What is the input value that produces the same output value in both charts?

A. –2
B. –1
C. 1
D. 2

Answers

The input value that produces the same output value in both charts is 2.Option D is the correct answer.

What are functions ?

A mathematical expression which has two variables , one is dependent variable and the other is an independent variable.

Functions have wide usage and comes with a defined domain and range.

It is given in the question that there are two functions

Function(x) = -0.5x+2

g(x) = 2x-3

It has different values at different points.

The value at which both the functions have same value has to be determined.

To determine that lets equate both the functions

-0.5x +2 = 2x-3

2.5x = 5

x = 2

Therefore the input value that produces the same output value in both charts is 2, Option D is the correct answer.

To know more about Function

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Answer:

Hence,  the input value that produces the same output for the functions represented by the tables is:

x=2

Step-by-step explanation:

We are given a function f(x) and  g(x) as:

and

Clearly the function g(x) and f(x) are linear function.

We have to find such input value that gives the same output value for the function.

i.e. we have to find x such that:

g(x)=f(x)

i.e. -0.5x+2=2x-3

⇒ 2x+0.5x=2+3

⇒ 2.5x=5

⇒ x=5/2.5

⇒ x=2

Hence,  the input value that produces the same output for the functions represented by the tables is:

x=2

A PS4 uses 8.8 watts when on stand-by mode. How much electricity would be used if you have your PS4 on stand-by 21 hours a day for 2 weeks?

Answers

2 weeks = 14 days. 
21 hours × 14 days = 294 hours total.

8.8 watts × 294 hours = 2587.2 Wh or 2.5872 kWh. 

You have an allowance of $12.00. You buy a discount movies ticket that costs at least $3.50 and popcorn that costs $2.75. HOw much do much do you have for other spending?

Answers

Given

You have an allowance of $12.00

discount movies ticket that costs at least $3.50

popcorn that costs $2.75.

Find out the  how much do much do you have for other spending.

To proof

Let us assume that the money for the other spending be x.

As given

total  allowance = $12.00

discount movies ticket that costs at least  = $3.50

popcorn costs =  $2.75

than the inequality written in the form

3.50 + 2.75 + x  ≤  12.00

6.25 + x ≤ 12.00

x ≤  5.75

you have money for other spending is atmost 5.75

when the movies ticket that costs at least $3.50

Hence proved



Help with math problem

Answers

Where is you question? We can’t see anything... have a great day!

the perimeter of a rectangle is 120 meters. If the length of the rectangle is 20 meters more than the width, what are the dimensions of the rectangle.

Answers

Rectangle with perimeter 120m has its length and breadth 40 m and 20 m respectively.

Dimension of rectangle : 40 × 20

Given, that perimeter of rectangle is 120 m.

Now, perimeter of rectangle is given by:

P = 2(l+b)

l = Length of rectangle .

b = Breadth of rectangle.

Let the breadth of rectangle be 'x' m.

Then length will be (x+20) m.

Substitute the values in the perimeter formula,

P = 2(l+b)\n120 = 2(x+20 + x)\n120 = 2(2x + 20)\n60 = 2x + 20\nx = 20

Thus the breadth of rectangle is 20 m.

Length of rectangle is 20 m more than the breadth.

Length = 20 + 20

Length = 40 m.

Therefore the dimensions of rectangle is 40 × 20.

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120= 2(w+20) + 2w
120= 2w+40+2w
120= 40+4w
80=4w
w=20
Length:
w+20
20+20
40
Width: 20
So the dimensions are:
Length is 40
Width is 20