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Lubov Fominskaja [6]
3 years ago
7

6. A ball is selected at random from a bag containing

Mathematics
2 answers:
lianna [129]3 years ago
4 0

Answer:

a. 1/16   b. 25/144

Step-by-step explanation:

Since the bag does not change each time, the probability stays the same. To get the desired outcome both times, we must square the probability.

svet-max [94.6K]3 years ago
3 0

Answer:

two green balls

Step-by-step explanation:

because of many reasons boy

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A company manufactures aluminum mailboxes in the shape of a box with a half-cylinder top. The company will make 1960 mailboxes t
MaRussiya [10]

Answer:

  7088 m²

Step-by-step explanation:

The area of the half-cylinder is half the area of a cylinder with the same dimensions. This half-cylinder has a radius of 0.3 m and a length of 0.8 m, so its area is ...

  A = πr(r +l) = π(0.3 m)(0.3 m+0.8 m) = 0.33π m² ≈ 1.0362 m²

The area of the bottom part of the box is the sum of its lateral area and its base area.

  lateral area = Ph = (2(0.6m +0.8m))(0.75 m) = 2.1 m²

  base area = lw = (0.8 m)(0.6 m) = 0.48 m²

The total area is then ...

  total area = half-cylinder area + lateral area + base area

  = 1.0362 m² +2.1 m² +0.48 m²

  = 3.6162 m²

__

The area for 1960 mailboxes will be 1960 times this area, or ...

  area for week's production = 1960 × 3.6162 m² = 7087.752 m²

It will take about 7088 square meters of aluminum to make these mailboxes.

5 0
3 years ago
Find the range of the data.<br> 73, 69, 78, 68, 70, 86, 80, 72<br> The range is
Fiesta28 [93]
The answer is 18.

Work:
[i]The range is the gap between the smallest value and the largest value. [/i]

The smallest is 68.
The largest is 86.
The gap between them is 86-68=18.
5 0
3 years ago
Read 2 more answers
Two stores sell CDs in packages, as shown in the table below.
MissTica

Answer:

Step-by-step explanation:

If each CD at store A costs $.70, then 20 of them will cost 20(.7) = $14.

If each CD at store B costs $.60, then 20 of them will cost 20(.6) = $12.

The correct statement is that The cost at Store A is $2.00 greater than at Store B.

6 0
3 years ago
Nine subtracted from the product of 4 and a number is greater than -19
krok68 [10]

Answer:What’s the question-

Step-by-step explanation:9-4 and greater than -19? Oh 5 because 9-4=5 but it’s greater than -19 because -19 is a negative number.

5 0
2 years ago
Question 11
Leno4ka [110]

E
If the pre-image is dilated, the image must be congruent to the pre-image.
4 0
3 years ago
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