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Lady bird [3.3K]
3 years ago
7

Determine the value of b so that the equation has no solution.

Mathematics
1 answer:
pav-90 [236]3 years ago
8 0

Answer:

c. b < 0

Step-by-step explanation:

l (x - 3)^2 - 4 l = l x^2 -6x + 9 - 4l

l x^2 - 6x + 5 l = b

If b < 0, the equation cannot be factored, there will not be real solution.

Therefore, answer is c. b< 0

Hope this will helpful.

Thank you.

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Sam is a waiter at a local restaurant where he earns wages of $7 per hour.
DochEvi [55]

Answer:

7h+5n=E

or

42+5n=E

Step-by-step explanation:

First write an equation : note key words like "per", "each" and "total".

7 per hour

5 each

6 hours

n= number of people

E= total earnings

total earnings

So:

7h+5n=E

$7 per hour plus $5 tips per person equals total earnings

7(6)+5n=E\\42+5n=E\\

3 0
2 years ago
Tell whether the indicated angles are adjacent.
Semenov [28]

Answer: 3 would be a adjacent angle

Step-by-step explanation:

They don’t overlap

4 0
3 years ago
I don't how how to do this someone please help!​
Nutka1998 [239]

Answer:

Answer to question 8 is : Area =1017.88 and Circumference =113.1

Answer to question 9 is: Area =490.87 and Circumference =78.54

Step-by-step explanation:

8. i just did  πr2for area and for circumference i did 2πr which is just the equation to find each

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3 0
2 years ago
Using a graphical method, solve the simultaneous equations x+y =4 and y=2x+1
adoni [48]

Answer:

(1, 3)

Step-by-step explanation:

Given the expression

x+y = 4 ... 1

y = 2x+1 ....2

Substitute equation 2 into 1

x + (2x+1) = 4

3x + 1 = 4

3x = 4-1

x = 3/3

x = 1

Since y = 2x + 1

y = 2(1) + 1

y = 3

Hence the solution to the equation is (1,3). This means that the coordinate point on the graph where both lines intersect will be at (1, 3)

7 0
2 years ago
What is the slope of the line that passes through the points (2,-6) and (-3,7)?
dmitriy555 [2]
B. -13/5
(7- -6)/(-3-2)
5 0
3 years ago
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