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zubka84 [21]
3 years ago
15

What is the discriminant of 3x2 + 6x = 2?

Mathematics
2 answers:
nadezda [96]3 years ago
7 0
12 times something cannot equal to 2 unless it is a negative number,is there a negative number included?
zhannawk [14.2K]3 years ago
4 0

Answer:

The discriminant of the given equation is 60

Step-by-step explanation:

\text{Given the equation }3x^2+6x=2

we have to find the discriminant of above equation.

Equation:\thinspace 3x^2+6x-2=0

\text{Comparing above equation with general quadratic equation }ax^2+bx+c=0

a=3, b=6 and c=-2

The discriminant can be calculated by the formula

D=b^2-4ac

D=6^2-4(3)(-2)

D=36+24=60

Hence, the discriminant of the given equation is 60

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The cost of a customer's smartphone bill can be modeled by
Sergio039 [100]

Answer:

C = (g + 5)

Step-by-step explanation:

Given the cost of a customers smartphone bill,

C=10g+50

We are required to factor the polynomial.

First, determine the G.C.D of both terms

    The GCD of 10g and 50 is 10

Next, we divide each of the term by 10 and balance it by multiplying the expression by 10.

C = 10g + 50

 = 10 (10g / 10 + 50/10)

The cost polynomial factored is C=10(g+5).

6 0
3 years ago
Write a word problem that can be solved by ordering three decimals to thousandths include a solution
Mariana [72]
<span>If I have a bolt that has a diameter of 1.125 inches and a hole that's 1.300 inches with a tolerance of +/- 0.025 inches, what's the larger even tolerance I can have on the bolt to ensure it will pass through the hole? Answer: +/- 0.150 inches.</span>
8 0
3 years ago
The height of 5 boys is 5.4 ft, 6.12 ft., 7.02 ft. 4.9 ft, and 6.25 ft. What is the average
11Alexandr11 [23.1K]

Wll not just this question, but whenever you need to find average, you have to:

Wait, for example let's take ur question:

1st step we will add up all the values aka heights:

5.4+6.12+7.02+4.9+6.25=29.69

And then how many values did you take???

Its, 5 values

1st value= 5.4

2nd value=6.12

aaand so on....

However, then we will have to divide the sum by no.of values

29.69÷5=5.938

Aaand this is your FINAL ANSWER

Done!!!!

Hope I helped you!!!

4 0
3 years ago
Read 2 more answers
Natalie went to the shoe store and bought two pairs of sneakers. One pair was $35.60, and the other was $49.95. If she has $100.
Contact [7]

First you need to add the prices to get 85.55. Then 100 - 85.55 is 14.45.




She will have $14.45 leftover

6 0
3 years ago
Read 2 more answers
I need this problem solved real quick
PIT_PIT [208]

<u>Let's take this problem step-by-step</u>:

<u>The ;unlabeled angle' adjacent to the 'outside angle of measure 78°'</u>

  ⇒ is on a straight line

     ⇒ sum of angle measure = 180 degrees

       unlabeled_.angle+78 = 180\\unlabeled_.angle = 102

<u>Now we know:</u>

 ⇒ sum of all angles in a triangle ⇒ 180°

<u>Let's put that in equation form and solve:</u>

  x + 102 + 57=180\\x + 159=180\\x = 21

<u>Answer: 21°</u>

<u></u>

Hope that helps!

#LearnwithBrainly

8 0
2 years ago
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