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Vinil7 [7]
2 years ago
15

I need help please ?!!

Mathematics
1 answer:
Tju [1.3M]2 years ago
4 0

Answer:

84

Step-by-step explanation:

We have:

             c

  -7 =  ---------

            -12

To solve for c, multiply both sides of this expression by -12.  This results in 84 = c (Answer Choice C).

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3 0
2 years ago
A worker on the production line is paid a base salary of ​$230.00 per week plus ​$0.78 for each unit produced. Write an equation
iogann1982 [59]

(a)

We are given

A worker on the production line is paid a base salary of ​$230.00 per week

so, base salary =230

Let's assume number pencils produced as x

plus ​$0.78 for each unit produced

now, we can find equation for earnings

E(x)=230+0.78x

now, we are given

her earnings of ​$446.84 for a week when she produced x units

so, we can set E(x)=446.84

and then we can solve for x

446.84=230+0.78x

230\cdot \:100+0.78x\cdot \:100=446.84\cdot \:100

23000+78x=44684

23000+78x-23000=44684-23000

78x=21684

\frac{78x}{78}=\frac{21684}{78}

x=278

so, number of pencils = 278........Answer

(b)

If the worker had produced twice that number of​ units

so, number of pencils =2*278=556

now, we can find earnings

E(x)=230+0.78x

now, we can plug x=556

E(556)=230+0.78*556

E(556)=663.68.................Answer


3 0
3 years ago
Which is the best to buy?
g100num [7]
The answer is D........
5 0
3 years ago
Which groups on the periodic table contain metalloids?​
natali 33 [55]

Answer:

Group 13 to group 16

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
A circle is to be cut from a 12 ft square board. What will be the area, in square feet, of the inscribed circle? Leave your answ
Kazeer [188]

Answer:

3π sq.feet

Step-by-step explanation:

Area of the square = L²

L is the length of the square

Given

Area of the square = 12 ft square

12 = L²

L = √12

L = 2√3 feet

Since the circle is inscribed in the square, the length of the square will be the diameter of the circle;

Area of the circle = πd²/4

Area of the circle = π(2√3)²/4

Area of the circle  = 12π/4

Area of the circle = 3π sq.feet

5 0
3 years ago
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