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Vitek1552 [10]
2 years ago
12

A shelf has four books on it. the weight, in pounds, of each of the four books on the shelf is listed below. (They are: 2.5, 3.2

, 2.7, and 2.3)
Which inequality represents the weight, w, of any book chosen from the shelf?
Here are the choices:
A- w> 2.3
B- w< 2.4
C- w> 3.2
D- w< 3.3
Mathematics
2 answers:
Neporo4naja [7]2 years ago
8 0

Answer:

(D) w<3.3

Step-by-step explanation:

It is given that A shelf has four books on it. the weight, in pounds, of each of the four books on the shelf is listed below, They are:

2.5, 3.2, 2.7, and 2.3

Since, weight of the books are greater than or equal to 2.3 and less than or equal to 3.2, thus from the options, Option D is correct as weight of the books is less than 3.3. Rest all the options does not satisfy the given information.

Therefore, (D) w<3.3 is correct.

kvv77 [185]2 years ago
4 0
The answer is D. (w<3.3)
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Answer:

200

Step-by-step explanation:

Let market price = y

According to question

160+20% of y=y

160+20/100y=y

160=y-20/100y

160=100/100y-20/100y

160=80/100y

160×100/80=y

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A 42-inch board is to be cut into three pieces so that the second piece is twice as long as the first piece and the third piece
Karo-lina-s [1.5K]

Answer: 7 inches

Step-by-step explanation:

       If x is the first piece, and the second piece is twice as long, then the second piece is 2x.

        If the third piece is three times as long as the first piece, x, then the third piece is 3x.

       The 42-inch board must be equal to all 3 pieces, so we will set up an equation and solve for x.

42 = x + 2x + 3x

42 = 6x

42 = 6x

7 = x

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5 0
1 year ago
Last year, Pattersonville had a population of 40,500 people . The census indicated that the population of the town has been decr
AleksandrR [38]

Answer:

34175 people will live in Pattersonville 8 years from now

Step-by-step explanation:

Initial population of Pattersonville =40,500

We are given that The census indicated that the population of the town has been decreasing by 2.1% per year .

Now we are supposed to find If this trend continues , approximately how many people will live in Pattersonville 8 years from now

Formula : N(t)=N_0(1-r)^t

Where N(t)= Population after t years

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Substitute the values in the formula :

So,N(8)=40500(1-0.021)^8

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So, 34175 people will live in Pattersonville 8 years from now

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