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Grace [21]
3 years ago
7

X^2- 6x - 7 = 0 can someone help me solve this by completing the square

Mathematics
2 answers:
steposvetlana [31]3 years ago
5 0
X=7 and X=-1
.......................

Crazy boy [7]3 years ago
3 0
I think it’s X=-3+(the square root of 2)
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The nine chips shown below are placed in a bag and then mixed up. Madeline draws one chip from this bag. What is the probability
babunello [35]

Complete question :

Image relating to the question can be found in the attachment below :

Answer:

4/9

Step-by-step explanation:

From the picture :

The nine chips are : 1, 2, 3, 4, 5, 6, 7, 8, 9

Even chips = 2, 4, 6, 8

Probability = number of required outcomes / (number of total possible outcomes)

Probability of drawing a chip with an even number :

P(even number) = number of even chips / total number of chips

P(even number) = 4 / 9

5 0
3 years ago
|x - 7| - |x - 2| = 3
rewona [7]
|x-7| - |x-2| = 3

x = 3
7 0
3 years ago
Urgent help algebra 2
Rudiy27
Slope-intercept you have right:
y=3/4x-7

Point slope form is:
y − y1 = m(x − x1)

so

y +7 = 3/4(x -0)

or

y + 7 = 3/4x
6 0
2 years ago
The members of a health spa pay annual membership dues of $300 plus a charge of $2 for each visit to the spa. Let Y denote the d
Ganezh [65]

Answer:

Y = 300 + 2X

Y( in dollars)

It is a functional relationship because a change in the value of X results in a corresponding change in the value of Y. And does not involve any uncertainty.

Step-by-step explanation:

Given:

Annual fixed due = $300

Variable cost = $2 per visit

X = number of visits in a year

Y = total yearly cost.

Y = annual cost + variable cost

Y = $300 + $2×X

Y = 300 + 2X

Y( in dollars)

It is a functional relationship because a change in the value of X results in a corresponding change in the value of Y. And does not involve any uncertainty.

8 0
3 years ago
Can someone explain how to solve the system of equation x+y=3 by graphing?
Bess [88]

Answer:

its not possible


Step-by-step explanation:


5 0
3 years ago
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