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katovenus [111]
3 years ago
14

A tax of 20% is collected on every purchase at a supermarket.

Mathematics
1 answer:
mafiozo [28]3 years ago
5 0
The first three statements are correct while the last statement is incorrect.
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What is the y-intercept of f(x) = (-1/4)^x?
Elena-2011 [213]

Answer:

The correct answer is A.

To find the y-intercept, substitute in  0  for  x  and solve for  y .

6 0
3 years ago
The answer to this geometry problem
adoni [48]
128 degrees I hope this helped you
3 0
2 years ago
The diameter of a ping pong ball is 4.0cm. find the length in kilometers of a row of 6.02×1023 ping pong balls.
Vikentia [17]
The length is determined by multiplying the number of balls with the diameter. The answer that would come out of this is in units of centimeters.

    L = (6.02 x 10^23 balls)(4 cm/ball)
    L = 2.408 x 10^24 cm

Then, we use the proper conversion factor to convert centimeter to kilometer.

     L = (2.408 x 10^24 cm)(1 m/100 cm)(1 km/1000 m)
       L = (2.408 x 10^24)(10^5)
        

The answer to this item is 2.408 x 10^19 km. 
3 0
3 years ago
Read 2 more answers
3. A soccer team played 160 games and won 65 percent of them. How many games did the team win?
Airida [17]

Answer:

b.) 104

Step-by-step explanation:

Percent formula:

x/y = p/100

where x is the fraction, y is the total, and p is the percent

This means:

x = number of games the team won

y = total number of games

p = percent the number of teams won

Let's plug these values into the equation:

x/y = p/100

x/160 = 65/100

Solve by cross-multiplying:

x/160 = 65/100

100(x) = 100x

160(65) = 10,400‬

100x = 10,400

/100     /100

x = 104

Therefore, the team won 104 games.

6 0
2 years ago
When h has the value of 4 calculate 5h-3
Margaret [11]
5h - 3 = 17

First, substitute h for 4 and the equation becomes 5(4)-3
Then, use PEMDAS (order of operations) to answer.
5 x 4 = 20
20 - 3 = 17
6 0
3 years ago
Read 2 more answers
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