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vlabodo [156]
3 years ago
6

a bag contains 4 blue and 3 yellow marbles.The marbles are removed from the bag one at a time without replacement. what is the p

robability that the fifth marble is yellow?
Mathematics
1 answer:
sertanlavr [38]3 years ago
7 0
4/7 times 3/7 = the answer 12/49
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How many yards<br> carpeting is needed to cover a 60 feet length room and 40 feet width ​
Bad White [126]

Answer:

266 \frac{2}{3} yards

Step-by-step explanation:

1. Approach

First, convert the dimensions of the room from feet to yards. Remember, the conversion rate between feet and yards is, 3feet=1yard. Next, find the area of the room by multiplying the length by the width.

2. Convert the unit of measurement

The measurement unit is given in feet, one must convert it into yards. The conversion rate between yards and feet is, 3feet=1yard.

60feet=20yards\\\\40feet=13\frac{1}{3}yards

3. Find the area of the room

Now multiply the length by the width to find the area of the room.

20yards*13\frac{1}{3}yrads\\\\= 20 * \frac{40}{3}\\\\=\frac{800}{3}\\\\= 266\frac{2}{3}_{.}yards^{2}

5 0
3 years ago
F (x) = |x + 3| -1 . Find the average rate of change from x = -6 to x = 8
Elenna [48]
Average rate of change is (f(8) - f(-6))/(8 - (-6)) = ((<span>|8 + 3| -1) - (</span><span>|-6 + 3| -1))/(8 + 6) = ((</span><span>|11| -1) - (</span><span>|-3| -1))/14 = ((11 - 1) - (3 - 1))/14 = (10 - 2)/14 = 8/14 = 4/7</span>
3 0
3 years ago
Whats the simplified ratio if 4 : 22 : 30
masya89 [10]
On dividing all the three ratios with 2 u can simplify it as

2:11:15

Hope it helps.
Dont forget to say thx if it helps
6 0
4 years ago
What is the answer to this somebody!!!
Fed [463]

Use the geometric mean for right triangles as the sides are related to the hypotenuse. 30 - 6 = 24. We need that for our proportion. \frac{24}{x}=\frac{x}{30}. We cross-multiply to get x^2=720. Taking the square root of both sides gives us that x=12\sqrt{5}, the second choice above.

7 0
4 years ago
What is the coefficient of b in the expression b² - 5b +18
zzz [600]

Answer: -5

Step-by-step explanation:

A coefficient is a number that a variable is multiplied by.

<em>Hope it helps <3</em>

6 0
3 years ago
Read 2 more answers
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