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Vitek1552 [10]
3 years ago
9

-3x+10=34 solve for x

Mathematics
2 answers:
goblinko [34]3 years ago
5 0
<h3>Answer:</h3><h3>x=−8</h3><h3 />

Step-by-step explanation:

<h3>Let's solve your equation step-by-step.</h3>

−3x+10=34

<h3>Step 1: Subtract 10 from both sides.</h3>

−3x+10−10=34−10

−3x=24

<h3>Step 2: Divide both sides by -3.</h3><h3 />

−3x/−3 = 24/−3

<h3>x=−8</h3>
Morgarella [4.7K]3 years ago
5 0

Answer:

x = -8

Step-by-step explanation:

-3x + 10 = 34

-3x + 10 - 10 = 34 - 10

-3x = 24

-3x/3 = 24/-3

x = -8

Hope this helps!

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Annette [7]

Answer:

5

Step-by-step explanation:

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6 0
3 years ago
The sum of two numbers is 12. the difference of the same two numbers is -4 . find the two numbers
gtnhenbr [62]

Answer:

(4,8)

x=4

y=8

Step-by-step explanation:

x is the first number

y is the second number

x+y=12

x-y= -4

Let's add y and 4 to the second equation to get y by itself

x+4=y

We can substitute this value in for y in the first equation

x+x+4=12

2x=8

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We can then use x=4 and plug that into any equation

4+y=12

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5 0
3 years ago
Cos (0) = square root 2/2 and 3pi/2&lt;0&lt;2 pi , evaluate sin(0) and tan (0)
katovenus [111]

Answer:

\sin\theta=-\frac{\sqrt2}{2}} and \tan\theta=-1

Step-by-step explanation:

Given : \cos\theta=\frac{\sqrt2}{2} and \frac{3\pi}{2}

To find : Evaluate \sin\theta and \tan\theta ?

Solution :

As \frac{3\pi}{2} means \theta belong to the third or fourth quadrant .

So,   \sin\theta is negative and \tan\theta is positive in third and negative in fourth.

Using the formula of trigonometric,

\sin^2\theta+\cos^2\theta=1

\sin\theta=\sqrt{1-\cos^2\theta}

Substitute  \cos\theta=\frac{\sqrt2}{2} ,

\sin\theta=\pm\sqrt{1-(\frac{\sqrt2}{2})^2}

\sin\theta=\pm\sqrt{1-\frac{2}{4}}

\sin\theta=\pm\sqrt{1-\frac{1}{2}}

\sin\theta=\pm\sqrt{\frac{1}{2}}

\sin\theta=-\frac{\sqrt2}{2}}

Now using another formula,

\tan\theta=\frac{\sin\theta}{\cos\theta}

\tan\theta=\frac{-\frac{\sqrt2}{2}}{\frac{\sqrt2}{2}}

\tan\theta=-1

Therefore, \sin\theta=-\frac{\sqrt2}{2}} and \tan\theta=-1.

7 0
3 years ago
Create a line plot for the given
Nataly_w [17]

Answer:

here you go

Step-by-step explanation:

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6 0
2 years ago
Rachel has completed 16 assignments in the science course. This is 80% of all the assignments. How many total assignments will b
Tresset [83]

Answer:

20

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