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antiseptic1488 [7]
4 years ago
13

I need to solve for x, anyone out there know how to do it?

Mathematics
1 answer:
lilavasa [31]4 years ago
7 0

Answer:

61°

Step-by-step explanation:

First, we need to find what type of shape this is. Since it has 5 sides, it's a pentagon.

Now we need to figure out the sum of all interior angles in a pentagon. The sum of all interior angles in a pentagon is 540°

We can easily solve for x now by adding all angles up.

107°+144°+138°+90°+x°=540°

479°+x°=540°

x°=61°

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which equation is a true proportion

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3 years ago
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25 POINTS PLEASE HELP ME!! Sam conjectures that for x ≤ - 2, it is true that x^5 + 7 > x^3. Is Sam’s conjecture correct? Why
CaHeK987 [17]

The true statement about Sam’s conjecture is that the conjecture is not correct

<h3>How to determine if Sam’s conjecture is correct or not?</h3>

Sam’s conjecture is given as:

For x ≤ - 2

It is true that x^5 + 7 > x^3.

The inequality x ≤ - 2 means that the highest value of x is -2

Assume the value of x is -2, then we have:

(-2)^5 + 7 > (-2)^3

Evaluate the exponents

-32 + 7 > -8

Evaluate the sum

-25 > -8

The above inequality is false because -8 is greater than -25 i.e. -8 > -25 or -25 < -8

Hence, the true statement about Sam’s conjecture is that the conjecture is not correct

Read more about conjectures at

brainly.com/question/20409479

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5 0
2 years ago
Solve 9x−y=45 for y.
Taya2010 [7]

So to solve for y, we need to get y alone on one side of the equation. So we are going to subtract 9x from both sides of the equation to get:

-y=-9x+45

And since y is negative, we are going to divide both sides by -1 in order to make the y positive:

y=9x-45

4 0
4 years ago
Jack observed that he got rashes whenever he ate white berries he picked from his backyard. He concluded that eating white berri
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The answer would be D. If it was a causation it would be B. But a correlation would be something like a secreted sap in the berries. A correlation is a mutual connection in two things. Mark Brainliest if this helps as I am trying to rank up! Thanks!

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4 years ago
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Hatshy [7]
It’s either C or D hope this helps
4 0
3 years ago
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