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AURORKA [14]
3 years ago
11

HeLP me ASAP PLEASE ASAP i will give 50 points for the right answer

Mathematics
1 answer:
maksim [4K]3 years ago
8 0
I think the first answer is 41/100

Explanation:
I worked out how likely you would be to get a green marble based off of the answers, then added them together and divided by 3

2/5 = 40/100
9/16 = 50/100
3/9 = 33/100

40+50+33 =123
123/3 =41

Then for the second answer I think it’s 50% (1/2)
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jon spends 2/8 of his money on food 1/5 of his money on fuel and 2/10 of his money on clothes Estimate what fraction of his mone
andrey2020 [161]
First, you have to make them into decimals to make it easier. 2/8 equals 0.25.
1/5 and 2/10 equal 0.2. 0.2+0.2+0.25 equals 0.65 so if you suppose Jon's money is 1 dollar, he has 35 cents left. In a fraction, 0.35 is 35/100. If you simplify 35/100, it's 7/20. 

Answer: Jon has 35/100 or 7/20 or his money left.

I hope it helps!
3 0
3 years ago
Leyla drops a penny from a height of 150 m.
Rama09 [41]
To calculate the time it takes for the penny to hit the ground, we use the formula given relating time and the height of the penny. We calculate as follows:

h = 4.9 (t²) + v0 t + h o
150 = 4.9 (t²) + 0 t + 0
0 = 4.9 (t²) - 150

t = 5.53
t =  -5.53

Since in reality there is no time that is negative, the answer would be 5.53 units of time.

5 0
4 years ago
Read 2 more answers
8+4(-)2 kjhsdfuhweserwfdf
mrs_skeptik [129]

Answer:

The answer is 10

Step-by-step explanation:

8+4=12

12-2=10

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=5x%5E%7B2%7D%20-%2015x-4%3D0" id="TexFormula1" title="5x^{2} - 15x-4=0" alt="5x^{2} - 15x-4=0"
Brrunno [24]

Answer:

<h3>x = 3/2 ± √(61/20)</h3>

Step-by-step explanation:

5x² - 15x - 4 = 0

Add 4 to both sides.

5x² - 15x = 4

The coefficient of 5x² is 5, divide both sides by 5.

x² - 3x = 4/5

The coefficient of -3x is -3. Let b=-3.

Then we need to add (b/2)^2=9/4 to both sides to complete the square.

Add 9/4 to both sides.

x² - 3x + 9/4 = 61/20

Factor left side.

(x-3/2)² = 61/20

Take square root of both sides.

x-3/2 = ± √(61/20)

Add 3/2 to both sides.

x = 3/2 ± √(61/20)

8 0
4 years ago
This graph shows how the length of time a canoe is rented is related to the rental cost . What is the rate of change shown in th
kherson [118]

Answer:

C. $6 per hour.

Step-by-step explanation:

Pick a convenient point on the graph. The rate of change  is the

y coordinate /  x coordinate.

So we pick the point near the top right corner where y = 30 and x = 5 which gives us the answer 30/5 = 6.

6 0
4 years ago
Read 2 more answers
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