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m_a_m_a [10]
2 years ago
10

(57x2:3)+32x450-[39-(4+2):2[+8=

Mathematics
1 answer:
tigry1 [53]2 years ago
8 0

Answer:

57×2/3+32×450-[39-4+2]/2+8

57×2/3+32×450-(39-6/2)+8

57×2/3+32×450-36+8

57×2/3+14400-28

57×2/3+14372

38+14372

14410

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Solve the problem:
stepan [7]

volume of the box is 675 cubic inches

A machine produces open boxes using square sheets of plastic.

It is a square sheet so length and width are same

Lets assume length as x so width is also x

The machine cuts equal-sized squares measuring 3 inches on a side from each corner of the sheet.

After turning up the sides the height of the box becomes 3 inches

We know the volume of a box formula

Volume = Length * width * height

We know length is  x , width is x  and height = 3

So V = x * x * 3

Given volume = 675 cubic inches

675 = x * x * 3

675 = x^2* 3

Divide by 3 on both sides

225 = x^2

Now we take square root on both sides

x = 15

the length of one side of the open box is 15 inches.



5 0
3 years ago
11/12-?=2/3 How do I get the missing fraction with out reducing?
Tasya [4]

Step-by-step explanation:

11/12-?=2/3

11/12-2/3=?

11-8/12=?

3/12

=1/4

4 0
2 years ago
Read 2 more answers
Joe paid $14.00 for a board game. This is 70% of the original price ? $4.20 $20.00 $9.80 $21.00
meriva
I believe this question should be from an I-Ready test. The answer would be $20.00. Because 70% of 20.00 is 14
5 0
3 years ago
What is the median of these numbers 9, 10, 6, 5, 6
ahrayia [7]

Answer:

6.

Step-by-step explanation:

First you put the numbers in order, 5, 6, 6, 9, 10 then you find the number in the middle, which in this case is 6.

7 0
2 years ago
Suppose the contact rate for a phone survey is 78% and that 22% of people will participate in that survey. Assume that agreeing
Gnoma [55]
Remember that, for independent events, the probability that both occurr is the product of the individual probabilities.

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b) The probability of failing to contact or making contact and not geeting them to agree 1 - the probability of contacting and getting them to agree.

The probabilityof contacting and getting them to agree is 0.78*0.22 = 0.1716

The the answer to this question is 1 - 0.1716 = 0.8284


 
8 0
3 years ago
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