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nadya68 [22]
3 years ago
12

Solve the quadratic equation by completing the square.

Mathematics
2 answers:
const2013 [10]3 years ago
8 0

Answer:

x = 3 + StartRoot 5 EndRoot and x = 3 – StartRoot 5 EndRoot

Step-by-step explanation:

(x - 3)^2 = 5

x - 3 = ±√5

x = 3 + √5, 3 - √5.

Ksju [112]3 years ago
4 0

Answer:

B

Step-by-step explanation:

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What is the inverse function of 3/5y+9
marissa [1.9K]

Answer:

15

Step-by-step explanation:

I'm not really sure how, try telling her to ask her teacher, it's kinda hard to explain but, yeah 15.

7 0
3 years ago
If x+ 1=23 what is the value of 3x +3?
blagie [28]
\bf x+1=23\qquad \qquad \stackrel{3(x+1)}{3x+3}\qquad \qquad \stackrel{\downarrow }{3}(x+1)=\stackrel{\downarrow }{3}(23)
8 0
3 years ago
On a coordinate plane, if you take a point from (2, -5) and move it up 3 units to point "A" what is the distance of point a to c
tamaranim1 [39]

Answer:

C

Step-by-step explanation:

(2,-5) move up three steps is (2, -2). if you draw it on a paper(and draw lines to connect them), you can see that they form a right triangle. apply a²+b²=c² and you should get 3²+2²=(√13)²

4 0
2 years ago
Read 2 more answers
FRANK has a paper clip.it has a mass of 9g and a volume of 3cm3.what is its density?
Pachacha [2.7K]

Answer:

<h2>3 g/cm³</h2>

Step-by-step explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question we have

density =   \frac{9}{3}  = 3 \\

We have the final answer as

<h3>3 g/cm³</h3>

Hope this helps you

7 0
2 years ago
Write your own two equations that would have a solution of (3, 6).
andrey2020 [161]

Answer:

y = 2x

y = 3x - 3

Step-by-step explanation:

Hi,

<u>y = 2x</u>

<u>6 = 2(3)</u>

<u>6 = 6</u>

<u>That's a solution</u>

<u>y = 3x - 3</u>

<u>6 = 3(3) - 3</u>

<u>6 = 9 - 3</u>

<u>6 = 6</u>

<u>That's a solution</u>

Hope this helps :)

8 0
3 years ago
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