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Mazyrski [523]
3 years ago
10

Find the axis of symmetry of the parabola ​

Mathematics
2 answers:
pickupchik [31]3 years ago
8 0

Answer:

-4x

Step-by-step explanation:

Alenkasestr [34]3 years ago
3 0

Answer:

x = -4

Step-by-step explanation:

The axis of symmetry is the vertical line that makes a mirror image on the left and right for a vertical parabola

It goes through the vertex and is the x coordinate

x = -4

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-3x^2+6x=0. Find the value of x.
siniylev [52]

Answer:

x=√2,-√2

Step-by-step explanation:

4 0
3 years ago
The volume of a box is 5x^3 + 20x^2 + 15x cm^3. If the height of the box is 5x cm, find the width and length of the box.
Annette [7]

Answer:

The product of the Width and Length is x^2 + 4x + 3 cm^2.

Step-by-step explanation:

The volume of a box = 5x^3 + 20x^2 + 15x cm^3.

Volume of a Box = W*L*H       [Width(W), Length(L), and Height(H)]

W*L*(5x) = 5x^3 + 20x^2 + 15x cm^3

W*L = (5x^3 + 20x^2 + 15x cm^3)/5x cm

W*L = x^2 + 4x + 3 cm^2

We know the area of the base of the box (W*L).  It is x^2 + 4x + 3 cm^2.

To find the actual width and length, we need to know one of the variables, L or W.  Without that, all we can say is that their product (W*L) is x^2 + 4x + 3 cm^2.

8 0
2 years ago
Write the slope intercept form of the equation 11x-2y=-6
Pepsi [2]
The slope intercept form is
y=ax+b
So
11x-2y=-6       /+2y
11x=2y-6      /+6 both sides
11x+6=2y     (changing sides)
2y=11x+6        /:2 divide by 2 both sides
y=\frac{11}{2}x+3 - its the result
5 0
4 years ago
Read 2 more answers
Rondel's parents borrow $5000 from the bank for a new car. The interest rate is 6% per year. How much simple interest will they
sertanlavr [38]

Answer:

600

Step-by-step explanation:

6 percent of 5000 is 300. 300x2=600.

Sorry if im wrong

8 0
3 years ago
In each turn of a game you toss two coins. if 2 heads come up, you win 2 points and if 1 head comes up you win 1 point. if no he
Blizzard [7]

The expected value of the number of points for each turn is 0.25

<h3>What is expected value?</h3>

Expected value describes the long term average level of a random variable based on its probabilty distribution.

Now, Probability that 2 heads come up is

P(2 is H) = 1/4

Probability that 1 heads come up is

P(1 is H) = 2/4

⇒P(1 is H) = 1/2

Probability that no head will come up

P(no H's) = 1/4

Hence, the expected value for winning of 2points, 1point and  lose of3 points is given as-

Expected value = 2 * P(2 is H) + 1 * P(1 is H)  - 3 * P(no H's)

⇒Expected value = 2 * 1/4 + 1 * 1/2 - 3 * 1/4

= 0.5 + 0.5 - 0.75

⇒Expected value = 0.25

More about Expected value :

brainly.com/question/22715250

#SPJ1

3 0
1 year ago
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