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ICE Princess25 [194]
3 years ago
13

How do you solve this

Mathematics
2 answers:
Zepler [3.9K]3 years ago
8 0
Simple...

you have: 2x^{2} -9x+16=6

To even begin, set all terms to the left side and set the parabola equal to zero-->>

2x^{2} -9x+10

Now, you can factor!

What multiplies to 20 and adds to -9?

-5*-4=20

-5+-4=-9

Then, using the box method...

x=\frac{5}{2} ,2

Thus, your answer.
SVEN [57.7K]3 years ago
4 0
2x^2 - 9x + 16 = 6
2x^2 - 9x + 16 - 6 = 0
2x^2 - 9x + 10 = 0
(2x - 5)(x - 2) = 0

2x - 5 = 0
     2x = 5
       x = 5/2
       x = 2.5

x - 2 = 0
     x = 2

answer x = 2 and x = 2.5
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Explain how using basic facts can help you find 10x20x30x40 mentally.
sladkih [1.3K]
You know that anything times a one is that number, so multiply 2,3, and 4, and then multiply that by one. once you get the answer, put the zeros behind each multiplied number behind your answer, and there you go.

2×3×4= 24×1=24
there are 4 zeros
240,000
4 0
2 years ago
..........,,....,,,,,,,
Olegator [25]

Answer:

it is a if I can remember

Step-by-step explanation:

7 0
3 years ago
I need help with adding and subtracting fractions
solmaris [256]
Answer is 3/72

multiply the denominator and numerator of 3/8 by 9 (27/72)
multiply the denominator and numerator of 3/9 by 8 (24/72)

this is to get the same denominator of 72

then just subtract 
27/72 - 24/72 = 3/72

7 0
3 years ago
Read 2 more answers
Which of the following is equal to the rational expression when x*-2 or 3?<br> X^2 +5x+6<br> X^2-X-6
trasher [3.6K]

Answer:

Step-by-step explanation:

x=-2, x=3

---------------

x^2+5x+6=(-2)^2+5(-2)+6=(-2)(-2)-10+6=4-10+6=-6+6=0

x^2+5x+6=3^2+5(3)+6=9+15+6=24+6=30

---------------------------------------------------------------

x^2-x-6=(-2)^2-(-2)-6=4+2-6=6-6=0

x^2-x-6=3^2-3-6=9-3-6=6-6=0

-----------------------------------------------------

7 0
3 years ago
If a diameter intersects a chord of a circle at a perpendicular, what conclusion can be made? The diameter and the chord are con
yarga [219]

Answer:

The chord is bisected ⇒ 3rd answer

Step-by-step explanation:

* Lets revise some facts in the circle to solve the problem

- A chord in a circle is the segments whose endpoints lie on the

 circumference of the circle

- A diameter of a circle is a chord passes through the center of the

 circle

- The diameter is the longest chord in the circle

- Any line passes through the center of the circle and perpendicular

 to a chord on the circle bisects it

* Lets solve the problem

∵ The diameter of the circle passes through the center of the circle

∵ The diameter intersects a chord of a circle at a perpendicular

∴ The diameter is perpendicular to the chord

∵ Any line passes through the center of the circle and perpendicular

  to a chord on the circle bisects it

∴ The diameter bisects the chord

* The chord is bisected

8 0
3 years ago
Read 2 more answers
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