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Ne4ueva [31]
3 years ago
5

Suppose in a certain triangle, the degree measures of the interior angles are in the ratio 2:3:4 If the largest angle measures x

^,what is the value of x
Mathematics
1 answer:
barxatty [35]3 years ago
7 0

Answer:

80°

Step-by-step explanation:

In the ratio 2:3:4, the largest value corresponds to the largest angle. The sum of the ratio is 2+3+4=9.

The sum of angles in a triangle is 180°. Then x is given by

x = \dfrac{4}{9}\times 180^\circ = 80^\circ

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If Mat have 5 3/4 of sugar to make pies and each pie uses 1/3 of sugar how many pies canat make?
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3 years ago
What’s the answer to this math problem?v
allochka39001 [22]

<em>Choice-A</em> is the answer to this math problem.

3 0
3 years ago
Read 2 more answers
Which of the following represents the zeros of f(x) = x3 − 11x2 + 38x − 40?
Delvig [45]
The answer is <span>5, 4, 2
</span>
Among all choices we have 5, so
x = 5
x - 5 = 0
Let's divide the expression by (x - 5) using the long division:
                          x³ - 11x² + 38x - 40
(x - 5)  * x² =      x³ - 5x²                   Subtract
____________________________
                              -6x² + 38x - 40
   (x - 5) * (-6x) =    -6x² + 30x          Subtract
____________________________
                                           8x - 40
                    (x - 5) * 8 =     8x - 40   Sutract
____________________________
                                              0

Thus: x³ - 11x² + 38x - 40 = (x - 5)(x² - 6x + 8)

Now, let's simplify x² - 6x + 8.

x² - 6x + 8 = x² - 2x - 4x + 8 =
                  = x² - 2*x - (4*x - 4*2) = 
                  = x(x - 2) - 4(x - 2) =
                  = (x - 4)(x - 2)

Hence:
x³ - 11x² + 38x - 40 = (x - 5)(x - 4)(x - 2)
To calculate zero:
x³ - 11x² + 38x - 40 = 0
(x - 5)(x - 4)(x - 2) = 0
x - 5 = 0            or             x - 4 = 0              or      x - 2 = 0
x = 5                 or              x = 4                   or      x = 2
3 0
3 years ago
X-Y
alex41 [277]
B) 12

3•3=9 so 4•3=12
3 0
3 years ago
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