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viva [34]
3 years ago
13

Solve the equation. 5x – 7 = 3x – 9 –2 2 –1 0

Mathematics
2 answers:
irga5000 [103]3 years ago
3 0

Answer:

x= -1

Step-by-step explanation:

kaheart [24]3 years ago
3 0

Answer:

x = -1

Step-by-step explanation:

5x - 7 = 3x - 9

5x - 3x = -9 + 7

2x = -2

x = -1

Hope this helped!

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6. You begin work at 8:30 am. You take an unpaid lunch break from 11:45 am to 12:30 pm
STALIN [3.7K]

Answer:

7 hours 15 minutes

7.25 hours

Step-by-step explanation:

Break from 11:45 am to 12:30 pm = 45 minutes

Two 15-minute unpaid coffee breaks during the day = 30 minutes

Total break hours = 45 minutes + 30 minutes

= 1 hour 15 minutes

Total work day hours from 8:30 am to 5:00 pm = 8 hours 30 minutes

How many hours are you paid?

Total hours paid = Total work day hours - Total unpaid break hours

= 8 hours 30 minutes - 1 hour 15 minutes

= 7 hours 15 minutes

b) Express your answer as a decimal in hours only

7 hours 15 minutes as a decimal

15 minutes to hour = 60 minutes/15 minutes

= 1/4

= 0.25 hours

7 hours 15 minutes as a decimal = 7 hours + 0.25 hours

= 7.25 hours

7 0
3 years ago
Asking for the equation
Novay_Z [31]

Answer:

x=-6

Step-by-step explanation:

7 0
3 years ago
Help me plsssssssssssss
LUCKY_DIMON [66]

Answer:

The radius is 5 cm

Step-by-step explanation:

The formula for the area of a circle is :  \p*radius^2

To work out the length of the radius you would first need to divide the area of  78.5 cm by pi (pi=3.14), this gives you 25cm^2\\. This is because by dividing the area by pi we are isolating the value of the radius squared.

The final step is to work out the radius. You can do this by finding the square root of the radius squared which is 25, this gives you 5 cm. This means that the radius is 5 cm. This is because the square root is a number that when squared equals that number.

1) Divide 78.5 by pi.

78.5/\pi=25cm^2

2) Find the square root of 25 cm squared.

\sqrt{25} =5 cm

In this question pi is 3.14

6 0
3 years ago
What's the reciprocal of 5/18 please help :/
Alex_Xolod [135]

Answer:

Reciprocal of 5/18 is 18/5.

5/18 x 18/5 = 90/90

                  = 1

8 0
3 years ago
Read 2 more answers
34789 divided by 54 equals what
AleksAgata [21]
<span>644.240741
:).,.....................</span>
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3 years ago
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