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3 years ago

What is equivalent to x+2-x

Mathematics

2 answers:

Rus_ich [418]3 years ago

8 0

If you combine like terms, it’s just 2

love history [14]3 years ago

8 0

x + 2 - x combine like terms

= (x - x) + 2 = 0 + 2 = 2

x + 2 - x = 2

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Please help with this geometry work asp

Alekssandra [29.7K]

Answer:

x=21

y=45

z=101

Step-by-step explanation:

Angles crossing each other are congruent

86=4x+2

84=4x

x=21

Quadrilateral has 360 degrees

86 + 86 + 2y+4 + z-7 = 360

172 + 2y+4 + z-7 = 360

2y+4=94

2y=90

y=45

z-7=94

z=101

mark brainliest please!

6 0

2 years ago

There are 12 balls in a bag. One is blue and one is red. What is the exact probability that the blue ball is drawn first and the

Fiesta28 [93]

<h3>The exact probability that the blue ball is drawn first and the red ball is drawn second is $\frac{1}{132}$ </h3>

Solution:

The probability of an event is given as:

$Probability = \frac{ \text{ number of favorable outcomes }}{ \text{ total number of possible outcomes }}$

Given that,

There are 12 balls in a bag

One is blue and one is red

Favorable outcome = blue ball is drawn first

Favorable outcome = 1

Therefore,

$Probability = \frac{1}{12}$

Now, without replacement, red ball is drawn second

Therefore,

Total possible outcomes = 12 - 1 = 11

$Probability = \frac{1}{11}$

What is the exact probability that the blue ball is drawn first and the red ball is drawn second?

$Total\ probability = \frac{1}{12} \times \frac{1}{11} = \frac{1}{132}$

Thus the exact probability that the blue ball is drawn first and the red ball is drawn second is $\frac{1}{132}$

8 0

4 years ago

Write a equation of the line in point slope form given the information below

Charra [1.4K]

Y + 1 = -2(x - 1)

the formula is y-y1=m(x-x1), the variables with the numbers representing the y and x coordinates of the given point, and m representing the slope. just plug in and that’s your equation :)

7 0

3 years ago

PLEASE HELP DUE in a couple minutes.

Nuetrik [128]

Answer:

The last one, (-6,9)

Step-by-step explanation: For it to be right the nine would have to be negative.

6 0

3 years ago

Read 2 more answers

Why is sin(20) = sin(160) = -sin(200) = -sin(340)?

GenaCL600 [577]

All 4 equal the same value.

sin(20) = 0.3420201433

sin(160) = 0.3420201433

-sin(200) = 0.3420201433

-sin(340) = 0.3420201433

4 0

3 years ago