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Kryger [21]
3 years ago
14

Given m || n, find X....PLEASE HELP ASAP....SOS...SUCK AT MATH PLEASE HELP ME!!

Mathematics
1 answer:
nexus9112 [7]3 years ago
5 0
The angles with measurements equal to 3x+3 and 2x+22 should add up to 180°. This is because the angle which measures 2x+22 and the angle that is adjacent to the angle measuring 3x+3 are supposed to be congruent. If we mathematically translate the concept above, this can be expressed as,
        3x + 3 + 2x + 22 = 180

Combining like terms,
      (3x + 2x) + (3 + 22) = 180
Simplifying,
      5x + 25 = 180

Transpose the constants to only one side of the equation,
    5x = 155
Divide the equation by 5.
    x = 31

<em>ANSWER: x = 31</em>
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Can someone help me with number 8 please? Thank you.
Naddik [55]
Answer: -4 \le x \le 5
Note: to write the domain in interval notation, you'd write [-4,5]
if you need the domain in set-builder notation, then you'd write \left\{x|x\in\mathbb{R}, \ -4\le x\le 5\right\}

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

Explanation:

The domain is the set of possible x input values. Look at the left most point (-4,-1). The x coordinate here is x = -4. This is the smallest x value allowed. The largest x value allowed is x = 5 for similar reasons, but on the other side of the graph.

So that's how I got -4 \le x \le 5 (x is between -4 and 5; inclusive of both endpoints)

Writing [-4,5] for interval notation tells us that we have an interval from -4 to 5 and we include both endpoints. The square brackets mean "include endpoint"

Writing \left\{x|x\in\mathbb{R}, \ -4\le x\le 5\right\} is the set-builder notation way of expressing the domain. The x\in\mathbb{R} portion means "x is a real number"

6 0
3 years ago
What is the volume that can fit exactly 128 cubes with 1/2 inch sides?
aleksandrvk [35]
I think it is 64 cause i  multiplied
8 0
3 years ago
Which table represents a linear function?
Digiron [165]
It would be the first one because it’s going up by a constant rate
5 0
3 years ago
Help me please , ps have a good day :))
serg [7]

Answer:

the second one (Diego)

Step-by-step explanation:

7a-3a

5b+4b

8 0
3 years ago
Read 2 more answers
the graph of f(x) is shown below. what are the values of a, b, c, and d in the definition of f(x) below? (graph and definition o
Otrada [13]

Answer:

Step-by-step explanation:

For the given piecewise function,

Let the equation of the segment AB is,

y = ax + 7 where x < -2

Since a point (-2, 3) lies on the given line,

3 = a(-2) + 7

3 - 7 = -2a

a = 2

Therefore, f(x) = 2x + 7 when x < -2

For the segment BC,

f(x) = 3 where -2 ≤ x ≤ 2

For the segment CD,

f(x) = bx + 9

Since a point (2, 3) lies on this segment,

f(2) = 2b + 9 = 3

2b = 3 - 9

b = -3

Therefore, equation of segment CD will be,

f(x) = (-3)x + 9   where x > 2

7 0
3 years ago
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