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Elden [556K]
3 years ago
7

3x^2-5x-6=0;3 can anyone solve this

Mathematics
1 answer:
dsp733 years ago
6 0
X =(-5-√97)/6=-2.475 or x =(-5+√97<span>)/6= 0.808</span>
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Whitch of thw following is a rational number plz help as soo. As posible if not sooner
Verizon [17]

Answer:

1.425.

Step-by-step explanation:

1 .425 is the only one which can be written as a fraction ( 1425/ 1000).

π  is  a non repeating decimal which goes on without bounds.

So is √50 (try entering it on your calculator).

√-4 :  there is no real number whose square root is negative.

5 0
3 years ago
Read 2 more answers
Simplify negative 5 and 1 over 6 − negative 8 and 1 over 2
Tomtit [17]

Answer:

Hi there!

Your answer is;

17/6 <em><u>OR</u></em> 2 & 5/6

Step-by-step explanation:

(-5+1)/6 - (-8+1)/2

First, simplify in parentheses!

-4/6 - -7/2

Next, change the symbol of 7/2 because two negatives make a positive!

-4/6 +7/2

Next, change the denominators so they both have the same

-4/6 + 7/2

× 3/3

-4/6 + 21/6

Simplify!

17/6

<u>OR</u>

2 & 5/6

Hope this helps

4 0
3 years ago
Tickets for the school play cost $4 for students and $7 for adults. For one performance, 146 tickets were sold for $779. How man
GalinKa [24]

Answer: D

Step-by-step explanation:

Total tickets sold is $779

Calculate the options to get the right answer.

Option D is correct at

81 students at $4 = 324

65 adults at $7= 455

Total is $ 779

6 0
4 years ago
A quadratic equation is shown below: 3x2 − 16x + 2 = 0 Part A: Describe the solution(s) to the equation by just determining the
aleksandr82 [10.1K]
<span>i think you mean discriminant in part A  </span>
Δ=b^2-4ac=256-4*2*3=256-24=232
it is positive so it has two answers.
Part B
you can find Δ
Δ=b^2-4ac=9-4*9*(-2)=81
x1=-3+9/18=6/18=1/3
x2=-3-9/18=-12/18=-2/3



3 0
4 years ago
3 Gordon is selling popcorn that costs
riadik2000 [5.3K]

Answer:

30 more bags

Step-by-step explanation:

7 0
3 years ago
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