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siniylev [52]
3 years ago
9

An electrician charges $322 for 7 hours of work. How much does the electrician charge for one hour?

Mathematics
1 answer:
In-s [12.5K]3 years ago
3 0

Answer:

About 46 dollars an hour

Step-by-step explanation:

322/7 = 46

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If 6 people share 1/2 of a cake, how much of the whole cake will each person get? Show your work.
Nimfa-mama [501]

Answer:

1/12 for each person

Step-by-step explanation:

draw a cake then cut it in half then make sure each side has six

then count all the total then each person gets 1  piece of the cake

8 0
3 years ago
PLEASE HELP:))))))) 15points
Zielflug [23.3K]

Answer:7 cm

Step-by-step explanation: you know everything except the radius. Use this equation to help you: 44=2*pi*radius

Divide 44 by 2pi. Then u have your radius which is 7

7 0
3 years ago
I need help factoring this expression
omeli [17]
X^2(x+2)-4(x+2)

(x^2-4) (x+2) = 0

do you have to keep going/?

or thats all they want?
3 0
3 years ago
Find the quadratic function that has a vertex at (3,4) and goes through the point (0,13).​
vladimir2022 [97]

Answer:

f

(

x

)

=

−

1

2

x

2

+

3

x

−

1

2

Explanation:

A quadratic function can be written in vertex form as:

f

(

x

)

=

a

(

x

−

h

)

2

+

k

where

(

h

,

k

)

is the vertex and

a

is a constant multiplier.

In our example the vertex

(

h

,

k

)

is

(

3

,

4

)

, so we can write:

f

(

x

)

=

a

(

x

−

3

)

2

+

4

Given that this passes through the point

(

1

,

2

)

, we must have:

2

=

a

(

1

−

3

)

2

+

4

=

4

a

+

4

Subtract

4

from both ends to get:

−

2

=

4

a

Divide both sides by

4

and transpose to find:

a

=

−

1

2

So our quadratic function can be written in vertex form as:

f

(

x

)

=

−

1

2

(

x

−

3

)

2

+

4

We can multiply this out and simplify as follows:

f

(

x

)

=

−

1

2

(

x

−

3

)

2

+

4

f

(

x

)

=

−

1

2

(

x

2

−

6

x

+

9

)

+

4

f

(

x

)

=

−

1

2

x

2

+

3

x

−

9

2

+

4

f

(

x

)

=

−

1

2

x

2

+

3

x

−

1

2

Step-by-step explanation:

PLZ MARK ME BRAINLYIST

4 0
3 years ago
I NEED HELP!!!!! PLZ I NEED IT BEFORE AT 9!!!!!!
Jet001 [13]
At least we're both struggling with the same type of math ; -; 
4 0
2 years ago
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