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tekilochka [14]
2 years ago
7

A coffe table is on sale for 20% off the orgingial price of $115. If there is 7.5% sales tax, what is the original price of the

coffee table?
Mathematics
1 answer:
Anuta_ua [19.1K]2 years ago
3 0

Answer: 98.90

Step-by-step explanation:

115*.2=23

115-23=92

0.075*92=6.9

6.90+92=$98.90

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Find the discriminat of each quadratic equation then state the number and type of solutions
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Hello : 
the discriminat of each quadratic equation : ax²+bx+c=0 ....(a <span>≠ 0) is :
</span><span>Δ = b² -4ac
1 )  </span>Δ > 0  the equation has two reals solutions : x =  (-b±√Δ)/2a
2 ) Δ = 0 : one solution : x = -b/2a
3 ) Δ <span>< 0 : no reals solutions</span>
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The total land area of the United States is about 3,483,511 square miles more than the total land area of Tennessee, which is ab
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Total land area of United States is 3,537,438.

Step-by-step explanation:

Given,

Total land area of Tennessee =  53927

According to given statement,

Total land of United States = Land of Tennessee + 3483511

Total\ land\ of\ United\ States = 53927+3483511\\Total\ land\ of\ United\ States = 3537438

Total land area of United States is 3,537,438.

Keywords: Land area, addition

Learn more about addition at:

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#LearnwithBrainly

6 0
3 years ago
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Can some one give me this answer
iris [78.8K]
Check picture below, solve for "x" and "y"

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_______ is 100 times as much as 90
jek_recluse [69]

90*100=9000

hope that helps

3 0
3 years ago
Emery bought 3 cans of beans that had a total weight of 2.4 pounds. If each can of beans weighed the same amount, which model co
andreev551 [17]

Answer:

  • y=0.8x
  • See Explanation for others

Step-by-step explanation:

The 3 cans of beans had a total weight of 2.4 Pounds

Therefore:

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The following applies from the options.

  • y=0.8x where y is the weight and x is the number of cans.
  • A 2-column table with 3 rows. Column 1 is labeled number of cans with entries 5, 15, 20. Column 2 is labeled total weight (in pounds) with entries 4, 12, 16.

Using y=0.8x

When x=5, y=0.8 X 5=4

When x=15, y=0.8 X 15=12

When x=20, y=0.8 X 20=16

\left|\begin{array}{c|c}\text{Number of Cans,x}&\text{Total Weight (in Pounds),y}\\-------&--------\\5&4\\15&12\\20&16\end{array}\right|

  • On a coordinate plane, the x-axis is labeled number of cans and the y-axis is labeled total weight (in pounds. A line goes through points (5, 4) and (15, 12). This can be clearly seen from the table above as (5,4) and (15,12) are points on the line.
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