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Schach [20]
3 years ago
8

Solve x2 + 2x + 6 = 0 using the quadratic formula.

Mathematics
1 answer:
Eduardwww [97]3 years ago
6 0

No solution for the quadratic equation because of the √-20

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A group of students auditioned for a theater performance and 3/4 of the group less six students made up the cast of 42 students.
LenKa [72]

Answer:

3/4x-6=42

x=64

Step-by-step explanation:

Let the number of students be x hence 3/4 of this number will be 3/4x

Since the number was 42 if they were 3/4x less six, it means minus six hence

3/4x-6=42

Therefore, the equation will be

3/4x-6=42

Solving the equation

3/4 x=42+6=48

3/4x=48

X=62

8 0
3 years ago
The target maximum rate for debt ratio is _____. 30% 25% 50% 80%
MAVERICK [17]
25% is the suggested maximum rate that the experts and financial advisers recommend especially <span>If you’re looking to open new credit card account.</span>
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3 years ago
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Kyle bought himself a pair of shoes for 89.50 and he bought his nephew a pair for half the price of his shoes. If the sales tax
ycow [4]
Solution-

89.50/2 = 44.75

44.75 is the amount he spent to buy his nephew the pair of shoes.

Now, we are going to add the amount he spent for himself and his nephew together. 

89.50 + 44.75= 134.25

134.25 is the amount he spent in total, now we need to find the final amount with sales tax included.

We can do this by multiplying the total price by .075

134.25 * .075 = 10.07 (I rounded this to the nearest hundredths because we are dealing with money)

Now we need to add the two number together. 

134.25 + 10.07 = 144.32

Answer- 

The total amount Kyle spent is $144.32 


3 0
3 years ago
25*89 / 1/4<br><br> I WILL AWORD BRILLENEST!!!!!!
Aleks [24]

Answer:

8900

Step-by-step explanation:

25 * 89 / \frac{1}{4} = 25 * 89 * 4 = 100 * 89 = 8900

3 0
3 years ago
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Find the zeros of each function. Part 3. Please show work.
Novay_Z [31]

9514 1404 393

Answer:

  1. real: -1, 2; complex: +i, -i
  2. 1, 3, 4

Step-by-step explanation:

1. The graph (red) shows the only real zeros to be -1 and 2. When the corresponding factors are divided from the function, the remaining factor is the quadratic (x^2 +1), which has only complex roots. The quadratic is graphed in green.

The linear factorization is ...

  f(x) = (x +1)(x -2)(x -i)(x +i)

The roots are -1, 2, -i, +i.

__

2. The graph (blue) shows the zeros are 1, 3, 4.

You observe that the sum of coefficients is zero, so x=1 is a root. Factoring that out gives the quadratic (x^2 -7x +12), which you recognize factors as

  (x -3)(x -4) . . . zeros of 3 and 4

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I have attached a spreadsheet that does synthetic division. There are web sites that will do this, too. The tables shown correspond to f1(x)/(x-2) and f2(x)/(x-1). When you fill in the zero and coefficients, the built-in formulas do the rest.

6 0
3 years ago
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