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4 years ago

What is Y=2x+5 solve for x

Mathematics

1 answer:

Stells [14]4 years ago

4 0

Answer:

X=-5/2

Step-by-step explanation:

First for Y=2x+5 you change the y into 0

Then you replace the 0 with 2x but change the sign so it will be -2x so it will look like -2x=5

then you divide both sides by 2

Finally you get -5/2

Hopefully this helps

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Here is a list of ages (years) of children in a room:

Schach [20]

The Median is 4 :))))))))

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3 years ago

Which of the following is true of the location of an angle, Theta, whose tangent value is Negative StartFraction StartRoot 3 End

Anuta_ua [19.1K]

The value of theta has a 30-degree reference angle and is located in Quadrant II or IV.

Given to us

$tan \theta =-\dfrac{\sqrt{3}}{3}$

<h3>What is the value of $tan \theta =\dfrac{\sqrt{3}}{3}$ ?</h3>

To know the value $tan \theta =\dfrac{\sqrt{3}}{3}$ we will simplify the given expression,

$tan \theta =\dfrac{\sqrt{3}}{3}\\\\\\tan \theta =\dfrac{1}{\sqrt{3}}\\\\tan \theta =30^o$

Hence, the value of theta is 30°.

<h3>Finding the location of the - tan30°?</h3>

To know that the location of the -tan30°,

$tan30^o = -\dfrac{sin30^o}{cos30^o}$

As the value is negative, therefore, there can be two cases,

Case I: when the value of Sin30° is negative,

Case II: when the value of cos30° is negative.

Case I: when the value of Sin30° is negative,

If the value of Sin30° is negative, while the value of cos30° is positive, the θ will lie in the fourth quadrant.

Case II: when the value of Cos30° is negative,

If the value of Cos30° is negative, while the value of Sin30° is positive, the θ will lie in the second quadrant.

Hence, the value of theta has a 30-degree reference angle and is located in Quadrant II or IV.

Learn more about Quadrants:

brainly.com/question/350459

5 0

3 years ago

The weight of an object on moon is 1/6 of its weight on Earth. If an object weighs 1535 kg on Earth. How much would it weigh on

Over [174]

Answer:

255.8

Step-by-step explanation:

first

1/6*1535

=255.8

5 0

4 years ago

Please help, I am on a timer and need help with this question. I will give brainliest

Nady [450]

Answer:

Step-by-step explanation:

Plug in -2 as x into the equation, if it equals y then it is correct ;) hope this helps

8 0

2 years ago

What is the surface area of this right prism?

Naya [18.7K]

Answer:

It's 96

Step-by-step explanation:

-<u>The left and right rectangles</u>
5*4=20

(5*4)*2=40

-<u>Triangle</u> (front and back)
8*3/2=12

(8*3)/2*2=24

-<u>Bottom Triangle (base</u>)

8*4=32

<u>-Area</u>
=40+24+32
=<em>96</em>

8 0

3 years ago