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elixir [45]
3 years ago
9

Solve the system by substitution. 7x-3y=-25 4x+5=y Simplify ( , )

Mathematics
1 answer:
Lynna [10]3 years ago
3 0

Answer:

nznsjisisjnsnaksodood

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You order a breakfast that costs $10.25 and a coffee that costs $3.45. You leave a 02% tip and the sales tax is 9.5%. What is th
Rasek [7]

Answer: the total cost of the meal is

$17.7415

Step-by-step explanation:

The original cost of the breakfast $10.25 and the original cost of the coffee is $3.45. This means that the total cost of the breakfast and the coffee was

10.25 + 3.45 = $13.7

You leave a 20% tip. This means that the amount of tip that you left is

20/100 × 13.7 = 0.2 × 13.7 = $2.74

The sales tax is 9.5%. This means that the amount of sales tax that you paid is

9.5/100 × 13.7 = 0.095 × 13.7 = $1.3015

Therefore, the total cost of the meal would be

13.7 + 2.74 + 1.3015 = $17.7415

7 0
3 years ago
Write the following expression using an exponent:<br><br> 4⋅4⋅4
Neko [114]

Answer: 4^3

Step-by-step explanation: A number (4 in this case) is raised to the number of times it is multiplied by itself. 4 is multiplied by itself 3 times so 3 is the exponent.

5 0
3 years ago
When 70​% of a number is added to the​ number, the result is 221. What is the​ number?
Sholpan [36]

Answer: 130

Step-by-step explanation:

so 0.7x + x = 221

so 1.7x = 221

divide both sides by 1.7 to get

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Rob loves to snowboard in the winter, so he is looking at the cost of ski lift tickets for different mountains. Peak Point is se
IRISSAK [1]

Answer:Peak point

Step-by-step explanation:

275.60 divided by 5 is 55.12. 174.75 divided by 3 is 58.25. Therefore, peak point is cheaper per day for more days.

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Is this a joke?\ that makes no snese

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