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defon
3 years ago
9

A 3 foot stick is broken into two pieces. The ratio of the two pieces is 5:7. How big are the two pieces

Mathematics
1 answer:
Xelga [282]3 years ago
3 0
Hello! The two pieces are 15 inches and 21 inches
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Which expression is NOT equivalent to 8 . -54?
ivanzaharov [21]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
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The lengths in feet of three pieces of timber are
Sonbull [250]

The equal length of the logs will be 200 feets each.

Since the lengths in feet of three pieces of timber are 144, 216, 240 and the operator wants to cut them into 3 equal sizea, this will go thus:

= (144 + 216 + 240) / 3

= 600/3

= 200 feets each

Therefore, there'll be an equal length of 200 feets each.

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brainly.com/question/24664848

7 0
3 years ago
What is the factored form of 8x^2+12x
Anestetic [448]

Answer:

4x(2x+3)

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Since the common factor of 8x^2 and 12x is 4x, put that out and separate the distributed remaining factors.

6 0
3 years ago
If f(x) = 2x^3 - 14x^2 + 38x -26 and x-1 is a factor of f(x) find all of the zeros of f(x) algebraically.
Anestetic [448]

Answer:

Step-by-step explanation:

First confirm that x = 1 is one of the zeros.

f(1) = 2(1)^3 - 14(1)^2 + 38(1) - 26

f(1) = 2 - 14 + 38 - 26

f(1) = -12 + 38 = + 26

f(1) = 26 - 26

f(1) = 0

=========================

next perform a long division

x -1  || 2x^3 - 14x^2 + 38x - 26 || 2x^2 - 12x + 26

          2x^3 - 2x^2

          ===========

                    -12x^2 + 28x

                     -12x^2 +12x

                     ==========

                                  26x -26

                                  26x - 26

                                 ========

                                      0

Now you can factor 2x^2 - 12x + 26

                                 2(x^2 - 6x + 13)

The discriminate of the quadratic is negative. (36 - 4*1*13) = - 16

So you are going to get a complex result.

x = -(-6) +/- sqrt(-16)

     =============

                 2

x  = 3 +/- 2i

f(x) = 2*(x - 1)*(x - 3 + 2i)*(x - 3 - 2i)

The zeros are

1

3 +/- 2i

8 0
3 years ago
What is the mean of the following data values?<br> 22, 37, 49, 15, 92
attashe74 [19]

Answer:

43

Step-by-step explanation:

First, you have to add 22+37+49+15+92 to get 215. To find the mean, you need to divide by how much numbers there are (5).  So 215 divided by 5 is 43!

7 0
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