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german
1 year ago
11

The chance of picking at random a yellow ball from a bag containing 6 red balls and 2 yellow balls is:

Mathematics
2 answers:
professor190 [17]1 year ago
7 0

Answer:

Step-by-step explanation:

c sorry if im wrong

nevsk [136]1 year ago
6 0

Answer:

<u>1/4.</u>

Step-by-step explanation:

If the bag contains a total of 8 balls, then the chance of picking 2 yellow balls from a total of 8 balls is given by 2/8, simplified, this is 1/4.

<u>This is how you simplify:</u>

1. Write the fraction.

\frac{2}{8}

2. Find a number that can divide both the numerator and the denominator. A number could be 2, therefore, divide both the numerator and the denominator by this number.

\frac{2/2}{8/2} =\frac{1}{4}

Final answer: \frac{1}{4}

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James had t toy cars and Paul has 13 more how many cars will James have if Paul gives him half of his cars? ANSWER FAST I WILL G
kogti [31]

Answer:

James will end up with his original t cars and half of (t+13) cars, so will have ...

... t + (t+13/2) = (3t +13)/2 . . . . cars James has after Paul's gift

Step-by-step explanation:

5 0
2 years ago
The value of a piece of land is $500 an acre. The price per acre is expected to increase 7% per year. Which function models the
kobusy [5.1K]
To set the equation,we can first find how much price would be raised within a year:

=500×(1+7%)

=500×1.07

As the years go by the increase would accumulate,and the equation would be:

500 \times  {1.07}^{t}
Hope it helps!
4 0
3 years ago
Solve for substitution 8x+2y=13 and 4x+y=11
damaskus [11]
Solving for X:
1) y=-8x+6.5   y=-4x+11
2) -8x+6.5=-4x+11
3) -8x=-4x+11-6.5        (Subtract 6.5 from both sides)
4) -8x+4x=11-6.5         (Add 4x to both sides)
5)-4x=4.5
5)x=-1.125

Solving for Y:
y=-8(-1.125)+6.5
y=9+6.5
y=15.5

y=-4(-1.125)+11
y=4.5+11
y=15.5

x=-1.125
y=15.5
or
(-1.125,15.5)
7 0
3 years ago
Please help me find all the missing angles in the two problems
Yakvenalex [24]

the answer for the second problem is x=99 degrees and y= 261 degrees

dunno the first problem :/

3 0
2 years ago
What is the surface area of the figure? Use 3.14 for π.
fredd [130]

Answer:

Option 3

Step-by-step explanation:

We want to work out the surface-area

This is a cylinder and the formula for the surface area of a cylinder is :

2πrh+2πr^2

^ means to the power of

The radius is 15

The length is 18

2(3.14)(15)(18) + 2(3.14){15}^2

Part 1:

(6.28)(15)(18)

(6.28)(270)

1695.6

Part 2:

First, we do the exponents,

15^2 = 225

(6.28)(225)

1413

Part 3:

1695.6 + 1413 = 3108.6

Answer: 3108.6

Hope this helps :)

6 0
2 years ago
Read 2 more answers
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