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kotykmax [81]
3 years ago
10

The area of a square poster is 28 square inches. find the length of one side of the poster to the nearest tenth of an inch.

Mathematics
1 answer:
Romashka [77]3 years ago
5 0
The answer is:  " 5.3 in. " .
_________________________________________________
Note:
_________________________________________________
√(28 in²) =  (√28) in  = 5.2915026221291812  in  =  5.3 in.
_________________________________________________
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What are the zeros in the function f(x)=(2x+6)(x-4)
Shtirlitz [24]

Hello from MrBillDoesMath!

Answer:

x = -3, 4

Discussion:

The zeroes of f(x) are the x values where

2x + 6 = 0   =>  x = -3

and

x - 4 = 0   => x = 4

Thank you,

MrB

8 0
3 years ago
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Amina posts three large letters the postage is the same for each letter she pays with a £20 note her change is £14.96 what is th
soldi70 [24.7K]

Answer:

The cost of posting one letter = £1.68

Step-by-step explanation:

Total amount Amina has = £20

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Total cost spent on posting the letters = £20 - £14.96 = £5.04

And we're told that she posts 3 letters in total, with the cost of posting each letter the same.

Cost of posting 3 letters = £5.04

Cost of posting only 1 letter = (£5.04/3) = £1.68

Hence, the cost of posting a letter = £1.68

Hope this Helps!!!

4 0
3 years ago
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State the coordinates of this point​
arsen [322]

Answer:

The coordinates are (-8,7).

6 0
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An employee shreds 341 pages in 11 minutes of work. How many pages will she shred in 20 minutes?
gavmur [86]

We have been given that an employee shreds 341 pages in 11 minutes of work.

First of all we will divide 341 by 11 to find number of pages shred by employee in one minute.

\text{Pages shred by employee in one minute}=\frac{341}{11}=31

Now let us multiply 31 by 20 to find number of pages shred by employee in 20 minutes.

\text{Pages shred by employee in 20 minutes}=31\cdot20=620

Therefore, employee will shred 620 pages in 20 minutes.

6 0
2 years ago
Find all real solutions of the equation. (if there is no real solution, enter no real solution.) 35x2 12x − 36
solmaris [256]
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</span><span>35x^2 + 12x − 36 = 0.  Also, "the square of x" must be represented by "x^2," and you must insert either the + or the - sign in front of the term 12x.

I am assuming that you meant   </span>35x^2 + 12x − 36 = 0.

If that is indeed the case, then a = 35, b = 12 and c = -36

and the discriminant is b^2 - 4ac, or (12)^2 - 4(35)(-36) = 5184.

Since the discriminant is positive, this equation has 2 real, unequal solutions.  They are
        -12 plus or minus sqrt(5184)
x = -----------------------------------------
                         2(35)
7 0
3 years ago
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