3 years ago

What does x equal 3 - x = 9 x=what

Mathematics

2 answers:

Aliun [14]3 years ago

5 0

Answer:

-6

Step-by-step explanation:

3-x=9

Signs change too

-x=9-3

-x=6

x=-6

mario62 [17]3 years ago

4 0

X is equal to -6 Hope this helps

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How do you do 3(4y-7)=15y+6

cestrela7 [59]

Answer:

y = 27/7

Step-by-step explanation:

Perform the indicated multiplication:

3(4y-7)=15y+6 becomes:

12y - 21 = 5y + 6

Combining like terms, we get:

7y = 27, so that y = 27/7

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3 years ago

Vector v has a direction of (5,3) find the direction angle for v to the nearest degree

Vesnalui [34]

Answer:

$31^{\circ}$

Step-by-step explanation:

We have been given that vector v has a direction of (5,3). We are asked to find direction angle for v to nearest degree.

We know that direction of vector with components $(a,b)$ can be determined by $\theta=\text{tan}^{-1}(\frac{b}{a})$ .

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$\theta=\text{tan}^{-1}(\frac{3}{5})$

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Upon rounding to nearest degree, we will get:

$\theta\approx 31^{\circ}$

Therefore, the direction angle for vector v is 31 degrees.

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3 years ago

Please make Y=x+12 and 4x+2y=27 into one equation.

tiny-mole [99]

So what you need to start with is taking the x from both sides as adding 12 to them. Then, you move the 27 over 4 decimals.

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2 years ago

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castortr0y [4]

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3 years ago

Read 2 more answers

Alison has 3 containers with 25 crowns in each. She also has four boxes of markers with 12 markers in each box. She gives 10 Cra

Trava [24]

Answer:

63 crayons/crowns/kranz (lol) and 48 markers (total: 111)

Step-by-step explanation:

25x3 = 75

75 - 12 = 63

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