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Zina [86]
3 years ago
11

What’s the answer for this question

Mathematics
2 answers:
slavikrds [6]3 years ago
7 0

Answer:

J. 28.

Step-by-step explanation:

Since there are 180 degrees in a triangle the sum of the 2 unknown angles = 180 - 50 = 130, so we have the equation:

2x + 3x - 10 = 130

5x = 140

x = 28.

Masteriza [31]3 years ago
5 0

Answer:

x=28

Step-by-step explanation:

degrees of a triangle is always 180

2x+3x=5x

5x - 10 + 50

5x + 40

180 - 40 = 140

5x = 140

140/5 = 28

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Given that a(3)=48 and a(5)=768 find the sum of the geometric series for<br> the first 6 terms.
Ksju [112]

Answer:

4095

Step-by-step explanation:

.....................

5 0
3 years ago
1. f(x) = x² - 4 ; if x is even = 3x – 2; if x is odd solve for f(4) and f(5)
vovikov84 [41]
<h3>Answers:</h3><h3>f(4) = 12</h3><h3>f(5) = 13</h3>

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

Explanation:

This is a piecewise function as it is composed of two pieces.

The equation for f(x) depends on what x is. Specifically whether it is even or odd.

If x is even, then f(x) = x^2-4. If x is odd, then f(x) = 3x-2

------------

f(4) means f(x) when x = 4. We have an even number input for x, so we'll go with f(x) = x^2-4

f(x) = x^2 - 4

f(4) = 4^2 - 4

f(4) = 16 - 4

f(4) = 12

------------

When x = 5, x is now odd, so use f(x) = 3x-2

f(x) = 3x-2

f(5) = 3(5) - 2

f(5) = 15 - 2

f(5) = 13

5 0
3 years ago
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