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Sati [7]
3 years ago
13

64 = (3x+1) Find the value of x. A) 21 B) 27 C) 31 D) 34

Mathematics
1 answer:
krek1111 [17]3 years ago
7 0

Take away 1 from either side so the equation becomes 63=3x then divide both sides by 3 so it becomes 21=x which is your answer (option A)

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O please help meeeeeee​
Annette [7]

Answer:

what do you need to fing ?

Step-by-step explanation:

djdjd

5 0
3 years ago
Read 2 more answers
7x - 2 = 2y 3x = 2y - 1
77julia77 [94]
<span>7x - 2 = 2y
7x = 2y + 2
so
</span>7x = 2y + 2<span>
3x = 2y - 1 
----------------subtract
4x = 3
  x = 3/4

</span>7x - 2 = 2y
7(3/4) - 2 = 2y
21/4 - 2 = 2y
21/4 - 8/4 = 2y
13/4 = 2y
so
y = 13/4 * 1/2
y = 13/8

answer
<span>(3/4, 13/8)</span>


4 0
3 years ago
A plumber charges a ​$70 flat rate for all home repairs. His hourly rate is​ $15 per half hour. How much would a 2 hour and 26 m
Gnesinka [82]

The plumber's 2 hour and 26 min plumbing bill​ cost is $73

What is the plumber's per minute rate?

The plumber's per minute rate is the per half-hour rate divided by 30 minutes since the plumber charges $15 for every 30-minute job

per-minute rate=$15/30

per-minute rate=$0.50

Now, let us convert 2hours and 26 minutes to minutes, in other words, every 1 hour is 60 minutes, the two hours equal 120 minutes plus the 26 minutes gives a total of 146 minutes

Total minutes=120 min+26 min

total minutes=146 minutes

Total plumbing bill cost for 146 minutes is $0.50, the per-minute rate multiplied by the number of minutes the plumber needs to work in this case

2 hour and 26 min plumbing bill​ cost=146*$0.50

2 hour and 26 min plumbing bill​ cost=$73

Find out more about hourly rate on:brainly.com/question/4468523

#SPJ1

4 0
2 years ago
Based on recent records, the manager of a car painting center has determined the following probability distribution for the numb
posledela
So the answer is going to 6746
8 0
3 years ago
Marco is making a kite, using sticks for its diagonals. One stick is 2 feet long and the other is 3 feet long. How much material
Marat540 [252]

Answer:

Marco will need 3\ ft^{2} of material to make the kite

Step-by-step explanation:

we know that

To know how much material Marco will need to make the kite, the area must be calculated.

Remember that the area of the kite is equal to

A=\frac{1}{2}[d1*d2]

where

d1 and d2 are the diagonals of the kite

we have

d1=2\ ft

d2=3\ ft

substitute

A=\frac{1}{2}[2*3]=3\ ft^{2}

3 0
3 years ago
Read 2 more answers
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