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Delvig [45]
3 years ago
8

A circle has a diameter of 32in. Find the circumference of the circle to the nearest tenth.

Mathematics
1 answer:
VARVARA [1.3K]3 years ago
4 0
Radius is 16in
Circumference is 2xpiXradius
So 100.5 inch
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Mrs. Lay's Instagram followers went from<br> 40 to 72. What was the percent increase?
anastassius [24]

<u>Answer:  </u>

The percentage increase when Mrs.Lay’s instagram followers went from 40 to 72 is 80%

<u>Solution:</u>

The percentage increase can be found out by dividing change in value by initial value. This is given as,

\bold{\text { percentage increase } = \frac{( \text {final count-initial count} }{\text {initial count}} \times 100}

From question, we get

Initial count of Mrs.Lay = 40

Final value of Mrs.Lay = 72

So percentage increase when Mrs Lay’s Instagram followers went from 40 to 72 is

\text { percentage increase }=\frac{72-40}{40} \times 100= \frac{32}{40} \times 100

=\frac{4}{5} \times 100

= 80  

Hence percentage increase when Mrs Lay’s Instagram followers went from 40 to 72 is 80%.

4 0
2 years ago
Factor 5w^2-17w+65w ​2 ​​ −17w+6 completely using the box method
timama [110]

Answer:

isnt there a sign after the 65w???

3 0
3 years ago
In the algebraic expression 7/y, what is the coefficient of y? Explain
Alex777 [14]
7/y....the coefficient of y is 1

any time u have a variable by itself, whether it is x or y or any letter, the coefficient is gonna be 1




3 0
3 years ago
Calculate the area of triangle ABC with altitude CD, given A(6,-2) B(1,3) C(5,5) D(2,2)
Vikki [24]
The area will be half the product of the lengths of AB and CD.

|AB| = √((6-1)² +(-2-3)²) = 5√2
|CD| = √((5-2)² +(5-2)²) = 3√2

Area = (1/2)*(5√2)*(3√2) = (1/2)*(15*2) = 15

The appropriate choice is ...
  D: 15 square units
6 0
3 years ago
Find the inverse of each function. Is the inverse a function? y=(x+4)³-1
tatuchka [14]

Inverse of the give function F(x) = ( x + 4 )³ - 1 is F⁻¹(x) = [√( x + 1 ) ] - 4.

Given is a function of x, F(x) = ( x + 4 )³ - 1

These question can be solved by following 4 easy steps

Step 1 : Switch the F(x) with the variable y

This implies, F(x) = ( x + 4 )³ - 1 becomes y = ( x + 4 )³ - 1

Step 2 : Interchange the variable x and y in the above obtained equation

This implies, from the equation y = ( x + 4 )³ - 1, we get

x = ( y + 4 )³ - 1

Step 3 : Solve the new obtained equation for y

This implies, we have to simplify the equation by rearranging the terms to get the equation in terms of the variable x.

x = ( y + 4 )³ - 1

=> x + 1 = ( y + 4 )³

=>  (y + 4 )³ = x + 1

=> y + 4 = √( x + 1 )

=> y = √( x + 1 ) - 4

Hence we obtain the required equation.

Step 4 : Switch the variable y with F⁻¹(x)

This implies, y = √( x + 1 ) - 4 becomes F⁻¹(x) = √( x + 1 ) - 4

Therefore, we get the inverse of the give function F(x) = ( x + 4 )³ - 1 as F⁻¹(x) = [√( x + 1 ) ] - 4.

Learn more about Inverse of a Function here:

brainly.com/question/2541698?referrer=searchResults

#SPJ9

4 0
1 year ago
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