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Sveta_85 [38]
3 years ago
6

Samantha has 20 pieces of candy in a bag: 3 mint sticks, 10 jelly treats, and 7 fruit tart chews. If she eats one piece every 6

minutes, what is the probability her first two pieces will both be jelly treats?
Mathematics
1 answer:
andriy [413]3 years ago
4 0
It is a 50 percent chance because she has ten jelly beans and there are 2o can all together so 10 out of 20 is 50%
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Write an equation for a line that is parallel to 2x+5y=15 and passes through the point (-10, 3)​
Lyrx [107]

Answer:

The equation of the line is,

y =  -  \frac{2}{5} x - 1

Step-by-step explanation:

First, you have to write it in a form of y = mx + b :

2x + 5y = 15

5y = 15 - 2x

y = 3 -  \frac{2}{5} x

y =   - \frac{2}{3} x + 5

When both lines are parallel to each other, they will have to same gradient value. So the equation of the line is y = (-2/5)x + b. Next, you have to find the value of b by substutituting (-10,3) into the equation :

y =   - \frac{ 2}{5}x + b

let \: x =  - 10,y = 3

3 =  -  \frac{2}{5} ( - 10) + b

3 = 4 + b

3 - 4 = b

b =  - 1

3 0
3 years ago
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Step-by-step explanation:

Let h be the number of hours.

Total Cost = Fixed Costs + Variable Cost

= Initial Fee + Hourly Charge

= 75 + 9h

Given,

75 + 9h = 250 \\ 9h = 250 - 75 \\ 9h = 175 \\ h = 175 \div 9 \\  = 19 \frac{4}{9} hr

Since the car cannot be rent part of an hour, the highest possible whole number is 19 hours.

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3 years ago
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8 0
3 years ago
2/4+3/8. how do I calculate this
solniwko [45]
Well, 2/4 is equivalent to 4/8. So you can turn the 2/4 into 4/8 and then add 4/8 plus 3/8.
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3 years ago
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Please help me with this.
snow_lady [41]

Answer:

Angl.(QMT) = 134°

Angl.(QMT) = Angl.(QMS)+ Angl.(SMT)

or, 134°= (7x-4)° + (2x+3)°

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or, 134° = 9x -1°

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or, 135° = 9x

or, 135°/9° = x

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x=45°

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3 years ago
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