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Luda [366]
3 years ago
5

Solve the equation by completing the square. 3x^2 -6+9=0

Mathematics
2 answers:
Debora [2.8K]3 years ago
8 0
The factored form would be (3x-9)(x-1)
The picture should help a bit
Alona [7]3 years ago
8 0
Divide through by 3:

\frac{3x^2 -6x+9}{3} = \frac{0}{3}  \newline \newline x^2 -2x+3=0

Complete the square:

x^2 -2x +1+3=+1

(x-1)^2+3=+1

(x-1)^2=-2

x-1=  \sqrt{-2}

x=-\sqrt{2} i+1

x=\sqrt{2} i+1
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Ms. Santo's patio is in the shape of a trapezoid. The trapezoid and its dimensions are shown below.
masya89 [10]

Answer: sorry I don’t shave the answer but I need help

Step-by-step explanation:

7 0
2 years ago
What is the solution of log(t-3)=log(17-4t)?
solmaris [256]
Log=13
t=4
So, this is because they already given you t because the four is on front of it that gives you your value. From there you will proceed to j7st do the math in your parentheses. You should get log=(1) & log=(13) because 1 times anything is that number just use the inverse of each would be eachother. So, 1x13 is the same as 13x1
6 0
3 years ago
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Consider triangle ABC. The legs have a length of 5 units each. What is the length of the hypotenuse of the triangle?
Korvikt [17]

Answer:

5\sqrt{2} units.

Step-by-step explanation:

We have been given that two legs of triangle ABC measures 5 units each. We are asked to find the length of the hypotenuse.

We will use Pythagoras theorem to solve for the hypotenuse of triangle ABC.

\text{Hypotenuse}^2=\text{Leg}^2+\text{Leg}^2

Substituting our given values in above equation we will get,

\text{Hypotenuse}^2=5^2+5^2

\text{Hypotenuse}^2=25+25

\text{Hypotenuse}^2=50

Upon taking square root of both sides of our equation we will get,

\text{Hypotenuse}=\sqrt{50}

\text{Hypotenuse}=\sqrt{25*2}

\text{Hypotenuse}=5\sqrt{2}

Therefore, the length of hypotenuse of triangle ABC is 5\sqrt{2} units.

6 0
3 years ago
Read 2 more answers
All the boxes in a certain warehouse were arranged in stacks of 12 boxes each, with no boxes left over. After 60 additional boxe
AveGali [126]

Answer:

(1) There were fewer than 110 boxes in the warehouse before the 60 additional boxes arrived. (2) There were fewer than 120 boxes in the warehouse after the 60 additional boxes arrived.

Step-by-step explanation:

Given that all the boxes in a certain warehouse were arranged in stacks of 12 boxes each, with no boxes left over.

This implies that boxes are in multiples of 12

i.e. 12, or 24, or 36 or....

Let us say this as 12m for m an integer

Now additional boxes arrived =60

Total number of boxes now = 12m+60

This when arranged in stacks of 14,nothing left out

Or this is multiple of 14

12m+60 = 14n for some positive integer n.

By trial and error we find that if 60 is to be divided by 14, 24 should be added and 24 is a multiple of 12.

So we say originally 24 boxes were there now 84 boxes there.

Hence both options are right.

(1) There were fewer than 110 boxes in the warehouse before the 60 additional boxes arrived. (2) There were fewer than 120 boxes in the warehouse after the 60 additional boxes arrived.

3 0
3 years ago
40% of what number is 84?
Fynjy0 [20]

Answer:

210

Step-by-step explanation:

84 / .40 = 210

(to check)

210 X .40 = 84

4 0
3 years ago
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