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Elza [17]
3 years ago
6

F(n) = 4n+10 f(n) = 4n+6 f(n) = 10n+4 f(n) = 10n - 6

Mathematics
1 answer:
bazaltina [42]3 years ago
5 0
B
Substitute n for the numbers on the left side of the chart and f(n) should be the number on the right side of the chart
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The table at the right shows how much Tony earns per hour for his summer jobs one day Tony spends 3 hours running errands he wan
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Answer:

Step-by-step explanation:

The table at the right shows how much tony earns per hour for his summer jobs one day tony spends 3 hours running errands he wants to use the money from his job to buy two banners.

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7 0
3 years ago
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2x+9=3x+1 what does x equal
eimsori [14]

Answer:

8 =x

Step-by-step explanation:

2x+9=3x+1

Subtract 2x from each side

2x-2x+9=3x-2x+1

9 = x+1

Subtract 1 from each side

9-1 = x+1-1

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7 0
3 years ago
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How far from the base of the house do you need to place a 15ft ladder so that it exactly reaches the top of a 12ft tall wall
Anettt [7]

It's a right triangle problem, and pretty obviously a multiple of the only Pythagorean Triple most folks know, 3²+4²=5².  In this case we multiply the lengths by three getting

9²+12²=15²

If we place the 15 foot ladder 9 feet from the house it will hit the house at height 12 feet.

Answer: 9 feet


4 0
3 years ago
A steamer going downstream traveled the distance between two ports in 3 hours. The return trip took 3 hours 40 minutes. Find the
lapo4ka [179]

Answer:

1.8 mph

Step-by-step explanation:

Speed of the steamer in still water is 18 mph.

Speed of the current = x mph.

1. The steamer going downstream traveled the distance between two ports in 3 hours. Traveling downstream the current "helps" the steamer, then the speed is 18 + x mph.

The distance traveled downstream = 3(18 + x) miles.

2. The steamer going upstream traveled the distance between two ports in 3 hours 40 minutes that is 3\frac{2}{3} hours. Traveling upstream the current "interferes" the steamer, then the speed is 18 - x mph.

The distance traveled upstream 3\dfrac{2}{3}(18-x) miles.

3. The distances are the same, so

3(18+x)=3\dfrac{2}{3}(18-x)

Solve this equation:

3(18+x)=\dfrac{11}{3}(18-x)\\ \\9(18+x)=11(18-x)\\ \\162+9x=198-11x\\ \\9x+11x=198-162\\ \\20x=36\\ \\x=1.8\ mph

6 0
4 years ago
Help me please for a test
sveta [45]

Answer:  y = 24

Step-by-step explanation:

you need the pythagorean theorem(a^2 + b^2 = c^2)

so we have the hypotenuse so we plug in what we knowwhich is:  

10^2 + b^2 = 26^2     ->    100 + b^2 = 676

then solve for b^2

b^2 = 576   -> \sqrt{576}\\ = 24

4 0
3 years ago
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