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Tanzania [10]
2 years ago
9

What is the value of x?

Mathematics
2 answers:
stiks02 [169]2 years ago
6 0

Answer:

x = 23

Step-by-step explanation:

Seeing same-side exterior angles theoreom,

both of these angles add up to 180°.

Looking at this,

3x + (4x+19) = 180

3x + 4x + 19 = 180

Subtracting both sides by 19 to get x on the LHS:

3x + 4x + 19 - 19 = 180 - 19

7x = 161

x = 23

<em>Hope this helps and be sure to have a wonderful time ahead at Brainly! :D</em>

musickatia [10]2 years ago
5 0

Choose none of the above as that may not be applicable

Step-by-step explanation:

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Answer:

a) The Total fee, that Mike charges for 4 hours of instruction is $152

b) The total fee, that Tony charges for 4 hours of instruction is $148

c) The difference between total fee Mike and Tony charge for 4 hours of instructions is $4

Step-by-step explanation:

a) What is the total fee, that mike charges for 4 hours of instruction.

Mike charges $12 for travel expenses and $35 per hour for instruction.

So, the equation will be: y=35h+12 where h is number of hours and y is cost

Put h=4 and find cost

y=35h+12\\y=35(4)+12\\y=140+12\\y=152\\

So, the Total fee, that Mike charges for 4 hours of instruction is $152

b) What is the total fee, that Tony charges for 4 hours of instruction

Tony's fee can be modelled by C=32h+20 where h is number of hours and C is cost

Put h=4

C=32h+20\\C=32(4)+20\\C=128+20\\C=148

So, the total fee, that Tony charges for 4 hours of instruction is $148

c) What is the difference between total fee Mike and Tony charge for 4 hours of instructions.

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Cost for Tony = $148

Difference = 152 - 148 = 4

So, the difference between total fee Mike and Tony charge for 4 hours of instructions is $4

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