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mars1129 [50]
3 years ago
12

1. Four family members attended a

Mathematics
1 answer:
Reika [66]3 years ago
8 0

Answer:

i think it is the first answer

Step-by-step explanation:

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How do you solve this??
DochEvi [55]

Answer:

Step-by-step explanation:

Hi Millie.

First we can realize that the number of cubes of each type does not matter, only the ratios between them. We see that if there are x yellow cubes, there are 3x blue cubes. And therefore, there are 5*3x green cubes, or 15x green cubes. This means that the cubes are in a 1:3:15 ratio, or that for every 1 yellow cube, there are 3 blue and 15 green cubes.

Now we can find the probability of picking a yellow cube. Since there are 18 non-yellow cubes for every yellow cube, this means that there is a 1/19 possibility of picking a yellow cube.

8 0
3 years ago
George has 245 cards in his baseball card collection. Of these, 85 of the cards are pitchers. What percent of the cards are pitc
Licemer1 [7]

Answer:

17/49 or about 34.7%

Step-by-step explanation:

George has 85 cards out of 245 cards that are pitchers. Whever you hear "out of", it means to divide.


85/245 are pitchers.

you can simplify since 5 fits in both of those numbers

5*17=85

5*49=245


So, 17/49 or about 34.7%

6 0
3 years ago
Read 2 more answers
Solve the quadratic equation (2x+5)(2x-5)
mote1985 [20]
If you want to multiply (2*x + 5) and (2*x - 5), you can do this using the following steps:

(2*x + 5) * (2*x - 5) = 4*x^2 - 10*x + 10*x - 25 = 4*x^2 - 25

The correct result is 4*x^2 - 25.
4 0
3 years ago
Find the volume of each solid figure
Naddik [55]
Your answer is 270 hope this helps
3 0
3 years ago
X+3y=3<br> 2x-4y=6<br><br> solve the equations
Gelneren [198K]
Subtract the second equation from double the first equation:

2x+6y-2x-(-4y)=0

10y=0

Therefore, y=0.  Substituting this into the first equation, we see that:

x+3(0)=3

x=3

Therefore, x=3.  The solution to this system is x=3, y=0, or (3, 0).
4 0
3 years ago
Read 2 more answers
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