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Ahat [919]
3 years ago
6

Find the measures of the interior angles.

Mathematics
1 answer:
Svetradugi [14.3K]3 years ago
7 0

Answer:

45 degrees.

Step-by-step explanation:

All interior angles in a triangle add up to 180 degrees.

We can form an equation: x+x+65+25=180

2x+90=180

2x=90

x=45.

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Factorise x cube -2x square -5x plus 6
zepelin [54]

Answer:   {(x + 2), (x - 1), (x - 3)}

Step-by-step explanation:

Presented symbolically, we have:

x^3 - 2x^2 - 5x + 6

Synthetic division is very useful for determining roots of polynomials.  Once we have roots, we can easily write the corresponding factors.  

Write out possible factors of 6:  {±1, ±2, ±3, ±6}

Let's determine whether or not -2 is a root.  Set up synthetic division as follows:

-2   /   1   -2   -5   6

              -2     8   -6

     -----------------------

        1     -4      3    0

since the remainder is zero, we know for sure that -2 is a root and (x + 2) is a factor of the given polynomial.  The coefficients of the product of the remaining two factors are {1, -4, 3}.  This trinomial factors easily into {(x -1), (x - 3)}.

Thus, the three factors of the given polynomial are {(x + 2), (x - 1), (x - 3)}

7 0
3 years ago
Write an equivalent expression for 20(x-5)
mamaluj [8]

Answer:

40(x-10)

Step-by-step explanation:

5 0
3 years ago
The circumference of a circle is 62.8 inches.Using pi as 3.14,what is the radius.PLEASE SHOW YOUR WORK!!!!
mamaluj [8]
The circumference of a circle - C=2 \pi r

C=62.8 \\ \\
62.8=2 \times 3.14 \times r \\
62.8=6.28r \\ \frac{62.8}{6.28}=r \\ r=10

The radius is 10 in.
7 0
3 years ago
Find the value of x.
Sauron [17]

Answer:

Step-by-step explanation:

x^2 + 44^2 = 55^2

x^2 + 1936 = 3025

3025-1936 = 1089

sqrt(1089) = 33

x = 33

6 0
2 years ago
Read 2 more answers
(20 POINTS) Will Give Brainliest If You Explain Your Answer:
Alexus [3.1K]
The correct answer the slope of f(x) is greater than the slope of g(x). The y-intercept of f(x) is greater than the y-intercept of g(x)
8 0
2 years ago
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