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hichkok12 [17]
3 years ago
9

A box contains seven 40-W bulbs, four 60-W bulbs, and six 75-W bulbs. If bulbs are selected one by one in random order, what is

the probability that at least two bulbs must be selected to obtain one that is rated 75 W? (Round your answer to three decimal places.)
Mathematics
1 answer:
OLEGan [10]3 years ago
3 0

Answer: 2.833

Step-by-step explanation:

Add up the amount of light bulbs: (7+6+4).

Divide 17 (^the sum^) by 6 (the amount of 75 watt bulbs).

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Answer: The answer is C. $20.00

Step-by-step explanation:

3 0
3 years ago
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PLS I NEED HELP! Which graph grows the fastest as x gets larger?
jok3333 [9.3K]

Answer:

y=5^x

Step-by-step explanation:

5 to whatever power will always be larger than 4, 3, or 2.

For example:

3 squared = 9

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4 squared = 16

2 squared = 4

25 is greater than 9, 16, and 4

4 0
3 years ago
Need Help Please, This One Is A Bit Difficult.
emmainna [20.7K]

Answer: 432 units²

Step-by-step explanation:

The figure is composed by two trapezoids.

The formula for calculate the area of a trapezoid is:

A=\frac{h}{2}(B+b)

Where "B" is the larger base, "b" is the smaller base and "h" is the height.

Let be A_f the area of the figure, A_1 the area of the trapezoid on the left and A_2 the area of the trapezoid of the right. Then the area of the figure will be:

 A_f=A_1+A_2

A_f=\frac{h_1}{2}(B_1+b_1)+\frac{h_2}{2}(B_2+b_2)

Substituting values, you get:

A_f=\frac{16units}{2}(25units+4units)+\frac{10units}{2}(25units+15units)=432units^2

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8 0
3 years ago
Read 2 more answers
What is the partial product for 1,262 x 3
puteri [66]

Step-by-step explanation:

what is THE partial product ? there is a mistake in your problem description.

it must read "what are valid partial products".

1262×3 has the following partial products :

1000×3 = 3000

200×3 = 600

60 × 3 = 180

2×3 = 6

-----------

3786

so, D seems to be the best answer, because both numbers are partial products here.

A, B and C have each only one correct.

7 0
2 years ago
The area of a rectangular city park is 25/54 square miles. The length of the park is 5/9 miles. What is the width of the park?
alexdok [17]
Hi

We know that Area= length * width right?

So this is what we do.

Total area/length

25/54 / 5/9

You get the width to be 5/6

CHECK:
5/6*5/9=25/54

Hope this helps :)


4 0
3 years ago
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