Mathematics, 29.09.2019 14:00 ryliepeloquinf
Which of the following is a solution of 3x2 = 7x - 3? a. negative 7 plus or minus the square root of 13 divided by 6 b. 7 plus or minus the square root of 85 divided by 6 c. negative 7 plus or minus the square root of 85 divided by 6 d. x - 7 plus or minus the square root of 13 divided by 6
Answers: 1
are: 
, so the option d is correct.
Simplify 
Use the quadratic equation formula. For a quadratic equation of the form 
the solutions are 
In the equation given 
, so 
The solutions are 
and simplify 
Divide both sides by 3 
and simplify 
Use the fact that 
We need to find 
, for this, we use this relation 
and solve for 
Add 
to both sides in the equation of step 2 
and simplify 
Complete the square, use step 3, 
For 
the solutions are 
, so 
Another question on Mathematics
Mathematics, 21.06.2019 19:00
Acompany manufactures large valves, packed in boxes. a shipment consists of 1500 valves packed in 75 boxes. each box has the outer dimensions 1.2 x 0.8 x 1.6 m and the inner dimensions 1.19 x 0.79 x 1.59 m. the boxes are loaded on a vehicle (truck + trailer). the available capacity in the vehicle combination is 140 m3. each valve has a volume of 0.06 m3. - calculate the load factor on the box level (%). - calculate the load factor on the vehicle level (%). - calculate the overall load factor (%).
Answers: 1
Mathematics, 21.06.2019 22:00
In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.
Answers: 1
Mathematics, 22.06.2019 01:00
Write as a product of two polynomials. 2(3–b)+5(b–3)^2
Answers: 1
Mathematics, 22.06.2019 03:00
When you dilate a figure with a scale factor of 1/2, what will the dilated figure look like? a: the dilated figure will have side lengths that are half the length of the original side lengths. b: the angles in the dilated figure will be half the measure of the original figure. c: the dilated figure will have side lengths twice the length of the original.
Answers: 2
You know the right answer?
Which of the following is a solution of 3x2 = 7x - 3? a. negative 7 plus or minus the square root o...
Questions
Mathematics, 01.12.2019 21:31
Mathematics, 01.12.2019 21:31
Physics, 01.12.2019 21:31
Mathematics, 01.12.2019 21:31
Business, 01.12.2019 21:31
English, 01.12.2019 21:31
Computers and Technology, 01.12.2019 21:31
