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marysya [2.9K]
2 years ago
11

Please help will mark brainliest

Mathematics
2 answers:
Gnom [1K]2 years ago
8 0

Answer:

i think x=30

Step-by-step explanation:

you have to add the numbers including 90 which is 210 then subtract from 180 because angles on a straight-line sum to 180 and you'll get 30 hope its correct

coldgirl [10]2 years ago
4 0

Answer:

x = 60

Step-by-step explanation:

We notice that the angle with 120° is adjacent and supplementary to Angle X, so they add up to 180°. We can write this algebraically as 120 + x = 180 and solve for x.

Step 1: Subtract 120 from both sides.

  • 120 + x - 120 = 180 - 120
  • x = 60

Step 2: Check if solution is correct.

  • 120 + 60 = 180
  • 180 = 180

Therefore, x = 60.

Have a lovely rest of your day/night, and good luck on your assignment! ♡

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Given X(4, -7). What are the coordinates of X" if
Vika [28.1K]
<h3>Answer:</h3>

B. (0, 9)

<h3>Step-by-step explanation:</h3>

Reflection across x=a is represented by the transformation ...

... (x, y) ⇒(2a-x, y)

Reflection across y=b is represented by the transformation ...

... (x, y) ⇒ (x, 2b-y)

The double reflection, across x=2, y=1 will result in the transformation ...

... (x, y) ⇒ (2·2-x, y) ⇒ (4-x, 2·1-y) ⇒ (4-x, 2-y)

For (x, y) = X(4, -7), the transformed point is ...

... X''(4-4, 2-(-7)) = X''(0, 9)

6 0
3 years ago
Convert 5.764764764 … to a rational expression in the form of a over b, where b ≠ 0
zubka84 [21]
I just learned a short time ago how to convert a repeating decimal to a fraction.

-- Take the repeating part of the decimal.  In this one, it's '764' .

-- Make a fraction out of it by writing it over the same number of 9s.

       The fraction here is        764/999 .

-- Simplify it if possible and if you feel like it.

         764/999 can't be simplified.  (I think.)

So the rational expressions for this decimal are

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3 0
3 years ago
Given g(x) = x² - 6x - 16, which statement is true?
inn [45]

The correct choice of this question with the given polynomial is <em>"The zeros are </em>-2<em> and </em>8<em>, because the factors of g are (x + </em>2<em>) and (x - </em>8<em>)"</em>. (Correct choice: H)

<h3>How to analyze a second orden polynomial with constant coefficients</h3>

In this case we have a second order polynomial of the form <em>x² - (r₁ + r₂) · x + r₁ · r₂</em>, whose solution is <em>(x - r₁) · (x - r₂)</em> and where <em>r₁</em> and <em>r₂</em> are the roots of the polynomial, which can be real or complex numbers but never both according the fundamental theorem of algebra.

If we know that <em>g(x) =</em> <em>x² -</em> 6 <em>· x -</em> 16, then the <em>factored</em> form of the expression is <em>g(x) = (x - </em>8<em>) · (x + </em>2<em>)</em>. Hence, the correct choice of this question with the given polynomial is <em>"The zeros are </em>-2<em> and </em>8<em>, because the factors of g are (x + </em>2<em>) and (x - </em>8<em>)"</em>. \blacksquare

To learn more on polynomials, we kindly invite to check this verified question: brainly.com/question/11536910

4 0
2 years ago
Let’s assume the 147 freshman maintained a 65% attendance rate during the first 4 week of school. If our next 4 week goal for at
shutvik [7]

Answer:

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Step-by-step explanation:

If 65% equals 147

Then to maintain 70% there is a need for 5% more

<u>Which equals</u>

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4 0
3 years ago
Read 2 more answers
I need help pls.. and thank you..
zmey [24]
40 times 24 times 154 divided by 2 will give you the answer.
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3 years ago
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