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EastWind [94]
3 years ago
12

Determine which triangle appers to be acute?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
7 0

Which triangles am I supposed to choose from?

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simplify the following expression: (x+7/4x) + (5/x-8) I also attached a photo of the problem if you get confused on how I typed
Gnoma [55]

Answer:

\frac{x^{2}  + 19x - 56}{4 {x}^{2}   - 32x}

Step-by-step explanation:

Start by making the denominators of both fraction the same. This can be done by multiplying one fraction's denominator by the other.

After simplifying and combining the two fractions together, check if the numerator can be factorised such that there is a common factor in the denominator and numerator. In this case, the numerator cannot be factorised.

Lastly, expand the denominator.

\frac{x + 7}{4x}  +  \frac{5}{x - 8}

=  \frac{(x + 7)(x - 8)}{4x(x - 8)}  +  \frac{5(4x)}{4x(x - 8)}

=  \frac{x(x) + x( - 8) + 7(x) + 7( - 8) + 20x}{4x(x - 8)}

=  \frac{ {x}^{2} - 8x + 7x - 56 + 20x }{4x(x - 8)}

=  \frac{ {x}^{2}  + 19x - 56}{4x(x - 8)}

=  \frac{ {x}^{2}  + 19x - 56}{4 {x}^{2}  -  32x}

7 0
2 years ago
Is this correct help plzz
const2013 [10]
None of the offered choices is correct.

The radical cannot be simplified. If rewritten, it must be written as something like
x \sqrt[3]{ \frac{6}{x}}
or
\frac{6x}{ \sqrt[3]{36x}}
3 0
3 years ago
HEEEELLLLLLLLLLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP ME
Georgia [21]

Answer:

41.79%

Step-by-step explanation:

To be on the swim team, we look at the right most (total) number int he table of "on the swim team" row. That is 28.

The grand total is the bottom-rightmost. That is 67.

Hence, probability of being on swim team is 28/67 = 41.79%

5 0
3 years ago
Is 4 m greater or less than 400 dm
vovikov84 [41]
400 dm is greater than 4m... hope this helps
3 0
3 years ago
Read 2 more answers
The local library charges 6 cents for each day a book is overdue plus a one-time record keeping fee of 19 cents. the function ta
Natasha2012 [34]
B. 241
Because (6•37)+19=222+19=241 cents
5 0
3 years ago
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