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rodikova [14]
3 years ago
7

Harry worked 7 hours last week. This is 1/3 as many as Aidan worked. How many hours did Aidan work?

Mathematics
2 answers:
Mars2501 [29]3 years ago
7 0
Aidan has put 21 hours of work. To simplify it, Harry worked 7 hours and Aidan worked 7 x 3 times which equates to 21 hours.
Andreyy893 years ago
6 0

Answer:

Step-by-step explanation:

Exactly what he or she said

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I need help i am taking a test i need help
Pachacha [2.7K]

Answer:

91 degrees

Step-by-step explanation:

4 0
3 years ago
For which function is f(x) equal to f^-1(x)?
Ilia_Sergeevich [38]
We will find the inverse of the given functions:
 y = x + 2 / x-2
 (x-2) y = x + 2
 -2y + xy = x + 2
 -2y + xy = x + 2
 x (y - 1) = 2 + 2y
 x (y - 1) = 2 (y + 1)
 x = 2 (y + 1) / (y - 1)
 f (x) ^ - 1 = 2 (x + 1) / (x - 1)
 The inverse is different.
 f (x) = x + 1 / x-1
 
y = x + 1 / x-1
 (x-1) y = x + 1
 -y + xy = x + 1
 x (y - 1) = 1 + y
 x (y - 1) = (y + 1)
 x = (y + 1) / (y - 1)
 f (x) ^ - 1 = (x + 1) / (x - 1)
 The inverse is the same.
 Answer:
 
f (x) = x + 1 / x-1
 
f (x) ^ - 1 = (x + 1) / (x - 1)
 f (x) = f (x) ^ - 1
4 0
3 years ago
Read 2 more answers
a cylindrical vase has a diameter of 6 inches at the bottom of the vase there are 9 marbles each of diameter 3 inches the vase i
KiRa [710]

Answer:

<h2>The volume of water in the vase is 339.33 in^3</h2>

Step-by-step explanation:

To calculate the volume of water in the vase we need the following parameters

1. the diameter/radius of the vase

2. the height /level of water in the vase

Given data

diameter d= 6 in

radius = d/2= 6/2 = 3 in

height of water h= 12 in

we know that the expression for the volume of a cylinder is given as

volume=  \pi r^2h

Inserting our data we have

volume= 3.142*3^2*12\\\volume= 3.142*9*12\\\volume= 339.33 in^3

3 0
3 years ago
5(x-4)+2x=14 help me find the answer x=?
Bond [772]
Exact Form:
x = 34/7

Decimal Form:
x= 4. 857142

Mixed Number Form:
x= 4 6/7
4 0
2 years ago
Read 2 more answers
Find the circumference of the circle.
SashulF [63]

Answer:

  • The circumference of the circle in term of pi = 10π inches
  • The circumference of the circle us 3.14 as pi = 31.4 inches

Step-by-step explanation:

Given

The radius of the circle = r = 5 in

We know that diameter is twice the radius.

so d = 2r = 2(5) = 10 in

<u>Finding the circumference of the circle in terms of pi</u>

Using the formula to find the circumference of the circle

C = dπ

C = 10×π

C = 10π inches

Thus, the circumference of the circle in term of pi = 10π inches

<u>Finding the circumference of the circle using π = 3.14</u>

We know that the formula to find the circumference of the circle

C = dπ

Given

π = 3.14

substituting π = 3.14 to find the circumference of the circle

C = 10×3.14

C = 31.4 inches

Thus, the circumference of the circle = 31.4 inches

5 0
2 years ago
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