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xeze [42]
3 years ago
9

how do i do this ? i don’t know if i find the x value then that’s the answer or if i plug the x answer to both of those question

s

Mathematics
1 answer:
Nady [450]3 years ago
3 0

Answer:

x=12

Step-by-step explanation:

X=12 because we can see from the picture that the left line is drawn between parallel lines, meaning that the two angles (10x-13 and 4x+25) are supplementary, meaning that they add up to 180.

so we can now write an equation and solve it

(10x-13)+(4x+25)=180

14x+12=180

14x=168

x=12

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Which expression is equivalent to 1/4 x + 3 - 1/3 x + (-2) ?
nasty-shy [4]

Answer:

The value of your expression is 7/12x +1.

Step-by-step explanation:

 1/4x + 3 - 1/3x + -2              First, positive and negative is negative

= 1/4x + 3 - 1/3x -2                 Combine like terms, 1/4x and 1/3x

= 7/12x + 3 - 2                          Combine like terms, +3 and -2

= 7/12x +1

Like terms are when a number have similar exponents bases, variables or just plain numbers.

3x, 4x, 5x

1.02x^2, 1.02x^3

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6 0
3 years ago
PLEASE HELP ASAP!! Complete the square to rewrite the following equation. Identify the center and radius of the circle. You must
r-ruslan [8.4K]

Answer:

(i) Center = (-1, -2)

(ii) Radius = 5 units

General Circle Equation:

  • (x - h)² + (y - k)² = r²

<u>Where</u>:

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  • r denotes the radius

<u>Rewriting the equation</u>:

\sf x^2 + 2x + y^2+ 4y = 20

\sf x^2 + 2x + 1^2 - 1^2 + y^2 + 4y + 2^2 - 2^2 = 20

\sf (x + 1)^2 - 1 + (y + 2)^2 -4 = 20

\sf (x + 1)^2 + (y + 2)^2 = 20 + 5

\sf (x + 1)^2 + (y + 2)^2 = 25

\sf (x -(- 1))^2 + (y -(- 2))^2 = 5^2 \quad \leftarrow  \ \bf General \ Circle \ Equation

<u>Identify the following</u>:

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8 0
2 years ago
Read 2 more answers
Which situation is best represented by the following equation? 45w + 123.95 = 753.95 A. Erica paid $753.95 for dance classes. Sh
Pani-rosa [81]

Answer:

It is A

Step-by-step explanation:

Because the variable is w and that would mean week so it is 45 every week

7 0
3 years ago
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8 0
3 years ago
The newest invention of the 6.431x staff is a three-sided die. On any roll of this die, the result is 1 with probability 1/2, 2
Gwar [14]

Answer:

<h2>The answer is 0.23(approx).</h2>

Step-by-step explanation:

The given die is a three sided die, hence, there are only three possibilities of getting the outcomes.

We need to find the probability of getting exactly 3s as the result.

From the sequence of 6 independent rolls, 2 rolls can be chosen in ^6C_2 = \frac{6!}{2!\times4!} = \frac{30}{2} = 15 ways.

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In the rest of the 4 sequences, will not be any 3 as outcome.

Probability of not getting a outcome rather than 3 is 1 - \frac{1}{4} = \frac{3}{4}.

Hence, the required probability is 15\times\frac{1}{16}(\frac{3}{4})^4 = \frac{1215}{4096}≅0.2966 or, 0.23.

4 0
3 years ago
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