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3 years ago

A metal strip is being installed around a workbench that is 10 feet long and 4 feet wide. Find how much stripping is needed.

Mathematics

1 answer:

Airida [17]3 years ago

6 0

28ft because you would have to find the perimeter

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Which simplified expression matches the set of tiles shown?

notka56 [123]

Answer:

The expression - x² - x + 2 and - x² + x + 2 matches the set of tiles

Step-by-step explanation:

Given four expression as :

A ) - x² - x + 2

solving by mid term breaking

Or, - x² - 2 x + x + 2

Or, - x ( x + 2 ) + 1 ( x + 2 )

or, ( x + 2 ) ( - x + 1 )

B ) x² - x + 2

solving by mid term breaking

Or, x² - 2 x + x + 2

or, x ( x - 2 ) + 1 ( x + 2 )

So, the expression will not break

C ) - x² + x + 2

solving by mid term break

Or, - x² + 2 x - x + 2

or, - x ( x - 2 ) - 1 ( x - 2 )

or, ( x - 2 ) ( - x - 1 )

D ) x² + x + 2

solving by mid term break

Or, ) x² + 2 x - x + 2

Or, x ( x + 2 ) - 1 ( x - 2 )

so, The expression will not break

Hence The expression - x² - x + 2 and - x² + x + 2 matches the set of tiles answer

6 0

3 years ago

13. Solve 5x² - 6x + 1 = 0 using the quadratic formula.<br><br><br> please help me and show work

yaroslaw [1]

Answer: x= 1, $\frac{1}{5\\}$

Step-by-step explanation:

The quadratic equation is

$x=\frac{-b+\sqrt{b^{2}-4ac } }{2a}$

and

$x=\frac{-b-\sqrt{b^{2}-4ac } }{2a}$

So we just need to sub in the proper numbers from the equation given, in this case, it would result in

$x=\frac{6+\sqrt{(-6)^{2}-4(5)(1) } }{2(5)}$

and

$x=\frac{6-\sqrt{(-6)^{2}-4(5)(1) } }{2(5)}$

Once we get this we can either manually simplify or use a calculator, using a calculator would result in the answers

x= 1, $\frac{1}{5\\}$

7 0

3 years ago

Find the slope of a line parallel to y = 1/2x + 3.

daser333 [38]

Answer:

The slope is 1/2

Step-by-step explanation:

hope this helps

8 0

3 years ago

Read 2 more answers

The graph of which of the following will be parallel to the graph of y = 2x – 4?. . . A.. 2x + y = 4. B.. 4x – 2y = –12. C.. y =

storchak [24]

Parallel lines have the same gradient.
The equations are either in the form y = mx+b (m is the gradient)
or in general form ax + by + c = 0 (-a/b)

The gradient of y = 2x - 4 is 2.

The answer is B (gradient = -4/-2 = 2)

7 0

3 years ago

Read 2 more answers

Please please help me with this question (8) please please help

Pavlova-9 [17]

Answer:

y = -1/4x + 2

Step-by-step explanation:

rise over run

6 0

3 years ago