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Tatiana [17]
2 years ago
13

Please help me with this problem having trouble

Mathematics
1 answer:
jekas [21]2 years ago
6 0

Answer:

x = 34

Step-by-step explanation:

6x + 2 + x + 26 + 94 = 360

since angles at a point all add to 360°

7x + 122 = 360

7x = 238

Therefore,

x = 34

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Last PreCalc Question, Need help with writing piecewise functions with graphs. Giving brainliest!
LekaFEV [45]

The piece-wise linear functions can be written as follows:

  • f(x) = x, x \leq -2.
  • f(x) = -x - 7, -2 < x \leq 1.
  • f(x) = 2x - 9, x > 1.

<h3>What is a linear function?</h3>

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0, and can also be interpreted as the initial value of the function.

For x equal or less than -2, the line passes through (-3,-3) and (-2,-2), hence the rule is:

f(x) = x, x \leq -2.

For x greater than -2 up to 1, the y-intercept is of -7, and the line also passes through (1,-8), hence the rule is:

f(x) = -x - 7, -2 < x \leq 1.

For x greater than 1, the function goes through (2,-5) and (3,-3), hence the slope is:

m = (-3 - (-5))(3 - 2) = 2.

The rule is:

y = 2x + b.

When x = 2, y = -5, hence:

-5 = 2(2) + b

b = -9.

Hence:

f(x) = 2x - 9, x > 1.

More can be learned about linear functions at brainly.com/question/24808124

#SPJ1

5 0
2 years ago
Solve: 6 – x = 4(5 + x) – 4
frez [133]

Answer:

x= -2

Step-by-step explanation:

3 0
3 years ago
7z2 5z4 d3 d8<br> I don't know how you are supposed to do it?
Serga [27]

Answer:

35 {z}^{6} {d}^{11}

Step-by-step explanation:

Assuming you are supposed to simplify:

7 {z}^{2}  \times 5 {z}^{4}  \times  {d}^{3}  \times  {d}^{8}

Then we need to apply the product rule of indices.

{a}^{m}  \times  {a}^{n}  =  {a}^{m + n}

So we multiply to get:

35 {z}^{2 + 4}  \times  {d}^{3 + 8}

We now simplify the exponents to get:

35 {z}^{6}  \times  {d}^{11}

Therefore the required product is

35 {z}^{6} {d}^{11}

3 0
3 years ago
Algebra please help(no links)
lesya [120]

Answer:

i can't help with this specific queshtion  but i do have tow say to things 1. when you post something like this make sure to crop out anything that people can see your info or anything like block out the tabs someone could see that and use it for evil be careful with this, second i do aleks to.

 

Step-by-step explanation:

im sorry i could not help you in the way you wanted but i hop you will be safe now!

dont make me brainlyest i dont deserve it i did not give you you answer

Have a nice day!

5 0
3 years ago
I don't understand this question can you help me please
Maslowich
I believe the answer is A because the formula for area is length times width. 
5 0
3 years ago
Read 2 more answers
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