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svetlana [45]
3 years ago
12

The quadratic equation -6=x^2+4x-1 in Standard form . What is the value of c in his new equation

Mathematics
1 answer:
Vitek1552 [10]3 years ago
3 0

Answer:

c = 5

Step-by-step explanation:

A quadratic equation in standard form is

ax² + bx + c = 0 : a ≠ 0

Given

- 6 = x² + 4x - 1 ( add 6 to both sides )

0 = x² + 4x + 5 ← in standard form

with c = 5

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vladimir1956 [14]

Answer:

2 to 6

Step-by-step explanation:

2(1 to 3) and get 2 to 6

6 0
3 years ago
One month Tammy rented 2 movies and 6 video games for a total of $ 42 . The next month she rented 5 movies and 3 video games for
jeka94

Answer:

The rental cost of one movie is $2.25 and the rental cost of one video game is $6.25

Step-by-step explanation:

Let the rental cost of 1 movie be m.

Let the rental cost of 1 video game be v.

One month, Tammy rented 2 movies and 6 video games for a total of $42. This means that:

2m + 6v = 42 ________ (1)

The next month she rented 5 movies and 3 video games for a total of $30. This means that:

5m + 3v = 30 _________(2)

We now have two simultaneous equations:

2m + 6v = 42 ________ (1)

5m + 3v = 30 _________(2)

Multiply (2) by 2, and we have:

2m + 6v = 42 __________ (1)

10m + 6v = 60 _________ (3)

Subtract (1) from (3):

 10m + 6v = 60

-<u> 2m + 6v = 42</u>

 <u>  8m     =     18</u>

=> m = 18 / 8

m = $2.25

Put the value of m back in (1):

2(2.25) + 6v = 42

4.5 + 6v = 42

=> 6v = 42 - 4.5 = 37.5

v = 37.5 / 6

v = $6.25

Therefore, the rental cost of one movie is $2.25 and the rental cost of one video game is $6.25

3 0
3 years ago
If n stands for number sold and c stands for cost per item, in which column would you use the formula a. Column D c. Column F b.
rusak2 [61]
Can you post a picture of the question?
5 0
2 years ago
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Solve the system x+5y=-15 -2x-10y=30
skelet666 [1.2K]
X= -2x -15y -45 maybe i’m kinda stupid
8 0
2 years ago
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Pls help math problem pls
Dovator [93]

Answer: The fourth choice

Step-by-step explanation:

(f - g)(x) = f(x) - g(x) = 4x^{2} - 5x - (3x^{2} + 6x - 4) = x^{2} - 11x + 4

5 0
2 years ago
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