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spayn [35]
3 years ago
8

The sum of a number, 1/6 of that number, 2 1/2 of that number, and 7 is 12 1/2. Find the number.

Mathematics
1 answer:
Arturiano [62]3 years ago
7 0

Answer:

18/7

Step-by-step explanation:

(7/6)x + 19/2 = 25/2

Subtract 19/2 from both sides

(7/6)x = 6/2 = 3

Now multiply both sides by 6/7 and get

x = 18/7

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Danny rented a truck for one day. There was a base fee of $15.99, and there was an additional charge of 92 cents for each mile d
Kitty [74]

Answer:

194 miles

Step-by-step explanation:

The base fee of $15.99 is going to have to be paid, whether any miles are put on the truck or not.  If the number of miles driven is our unknown, if we rent the truck for the base fee of $15.99 and drive it 0 miles, we still have to pay the $15.99.  If we do drive it and we have to pay .92 a mile, the expression for that is .92x, where x is the number of miles driven (it is also the variable we are solving for!).  The expression for this total cost is .92x + 15.99, and since we paid a total of $194.47, we set our cost equation equal to that number and solve for x:

.92x + 15.99 = 194.47 and

.92x = 178.48 so

x = 194 miles driven

5 0
3 years ago
How many terms are in the following expression: 7x + 3y – 5 + 2x + 11
zepelin [54]
There are 3 terms. Because if you simplify it, 7x and 2x would be 9x.. and -5+11 would be 6 so there would be (9x+3y+6) left. so 3 terms
6 0
3 years ago
Read 2 more answers
Suppose Mike’s exponential model is the best fit for a sample of two-variable data collected from a population of 30 voters. His
faltersainse [42]
Gc km DF m km as kensggg on a gc a C no
8 0
2 years ago
1 by 6 of a construction work is finished in the first year, 1 by 8 part in the second year and 1 by 12 in the third year how mu
Allisa [31]

Answer:

3/8

Step-by-step explanation:

first year's work is 1/6

second year's work is 1/8

third year's work is 1/12

combining all 3 gives us

1/6 + 1/8 + 1/12

which simplifies to 3/8

3 0
2 years ago
The original value of the car is $18,000 it depreciates by 15% every year what is the value of the car after three years
Yuri [45]
The formula is
A=p (1-r)^t
A the value of the car after 3 years ?
P current value 18000
R rate of depreciation 0.15
T time 3 years
A=18,000×(1−0.15)^(3)
A=11,054.25
4 0
2 years ago
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