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Verizon [17]
3 years ago
5

In the science lab, Kathleen pours water from a cup into a beaker to find the volume of the water. If the beaker has increments

of 0.1 mL, which of the following could be the volume of the water with the correct number of significant digits?
6.254 mL
6.35 mL
6.2 mL
6 mL
Mathematics
1 answer:
loris [4]3 years ago
5 0
The answer will be C which is 6.2
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The bowling alley and the swimming pool both offer birthday party rentals the bowling alley coast $5 per person plus a $15 room
Vanyuwa [196]

Answer:

Swimming pool

Step-by-step explanation:

Let's say that we invite x people. The cost of the bowling alley will be $15 for the room, and we add $5 dollars for each person. Therefore, we can represent the cost of the bowling alley as

5 * x + 15

Similarly, the cost of the swimming pool is

4 * x + 12

To find the maximum of the function, one thing we can do is set the expressions of the cost equal to 40. This will give us the amount of people we can invite for exactly 40 dollars. Because cost increases with amount of people, this will give us the maximum number of people we can invite with $40.

We thus have

5 * x+ 15  = 40

subtract 15 from both sides to isolate the x and its coefficient

25 = 5 * x

divide both sides by 5 to isolate x

25/5 = x = 5

We can therefore invite 5 people to the bowling alley

4 * x+ 12  = 40

subtract both sides by 12 to isolate the x and its coefficient

28 = 4 * x

divide both sides by 4 to isolate x

x = 7

Therefore, we can invite 7 people to the swimming pool. As 7 > 5, we can invite more people to the swimming pool.

A quicker way to solve this could be by looking at the cost of each location. Because the bowling alley costs more both per person and for the room, and there is no way to decrease the cost except by decreasing the amount of people, there is no way that the bowling alley could get as many people as the swimming pool with the same amount of money

5 0
2 years ago
Identify the solutions of the system of equations, if any<br> x+5y=6<br> 6x-10y=12
saw5 [17]
\left \{ {{x+5y=6}  \ \ |2\atop {6x-10y=12}} \right. \\\\\\  \left \{ {{2x+10y=12} \atop {6x-10y=12}} \right. \\ ======== \\\\ 8x=24 \ \ \ |:8 \\\\ \boxed{x=3} \\\\ x+5y=6 \\\\ 5y=6-x \\\\ y=\frac{6-x}{5} \\\\ y=\frac{6-3}{5} \\\\ \boxed{y=\frac{3}{5}}
8 0
3 years ago
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Anna and Maya are competing in a dance tournament where dance moves are worth a certain number of points if a dance move it's do
Gre4nikov [31]

Anna's current number of points = 225 points.

She danced correctly and earned = 75 points.

And when she danced incorrectly she loses = 30 points.

Note: For dancing correctly earned points will be added and for dancing incorrectly loses points will be subtracted from the total points has in starting.

So, we can setup an expression as

Current points + earned points - loses points

Plugging values, we get

225 +75 -30   Required expression.

Adding 225 and 75, we get 300.

Therefore, 225 +75 -30 = 300-30.

Subtracting 30 from 300, we get

300-30=270.

Therefore, Anna's final score is 270 points.

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3 years ago
Answers to the worksheet how did the light dress up in costume party
asambeis [7]
Neon \left \{ {{y=2} \atop {x=2}} \right.
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3 years ago
A teacher had t packs of notebooks, with 7 notebooks in each. He distributed 3 packs among his students. How many notebooks does
vaieri [72.5K]

Answer:

m/c

Step-by-step explanation:

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