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Anika [276]
3 years ago
9

Solve for all values of x using the quadratic formula when the equation is x2 + 3x +2. use variables with proper assignments for

a, b and
c.
Mathematics
2 answers:
Anna007 [38]3 years ago
7 0

x =  [-3 +/- √(3^2 - 4*1*2) ]  /  2

=  [- 3 + √( 1)]  / 2 ,   [- 3 - √( 1)]  / 2

=  -2/2 ,  -4/2

=  [-1, -2}       answer

KengaRu [80]3 years ago
4 0
X x 3 + X x 2+ X x 3
Reorder the terms

3x + 2x + 3x
Collect the terms

= 8x

And that’s your final answer......
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4 years ago
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Bob took his family out to lunch. He bought 3 hot dogs and 2 hamburgers for $11. If the guy in front of him bought 2 hot dogs an
Dafna11 [192]

Answer:

Hotdog: $1.50

Hamburger: $3.25

Step-by-step explanation:

<em>You write down the 2 equations based off of the information as I did:</em>

Let x = cost of a hotdog

Let y = cost of a hamburger

<em>and so:</em>

<em />

3x + 2y = 11

2x + 4y = 16

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<em>Now, we need to find x and y:</em>

<em>We will make both equations equal to y to compare them to each other.</em>

2y = 11 - 3x

y = 5.5 - 1.5x

4y = 16 - 2x

y = 4 - 0.5x

4 - 0.5x = 5.5 - 1.5x

x = $1.5

<em>Now plugging in x into the equation:</em>

2(1.5) + 4y = 16

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4y = 13

y = $3.25

And so hotdog = $1.5 and hamburger = $3.25

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6 0
3 years ago
In a box of counters half are white, 1/10 are blue and 1/5 green. The remaining eight are red. What is the total number of count
Rainbow [258]

Answer:

D

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3 years ago
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AleksAgata [21]

4 minutes and 30 seconds go into 2 hours 26 times

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densk [106]

Answer:

She needs to put the meal in the oven on or before 6:55pm.

Step-by-step explanation:

It is given that Jasmine wants to eat at 8:00pm.

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