3 years ago

What is the ratio 3:11

Mathematics

1 answer:

lys-0071 [83]3 years ago

5 0

Three to 11 or 3/11. Is the andwers i can think of

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Write y=2x^2+12x+14 In vertex form

ratelena [41]

Answer:

$\large\boxed{y=2(x+3)^2-6}$

Step-by-step explanation:

The vertex form of a parabola f(x) = ax² + bx + c:

$y=a(x-h)^2+k$

(h, k) - vertex

$h=\dfrac{-b}{2a}\\\\k=f(h)$

We have the equation:

$y=2x^2+12x+14\\\\a=2,\ b=12,\ c=14\\\\h=\dfrac{-12}{2(2)}=\dfrac{-12}{4}=-3\\\\k=f(-3)=2(-3)^2+12(-3)+12=2(9)-36+12=18-36+12=-6$

Finally:

$y=2(x-(-3))^2+(-6)=2(x+3)^2-6$

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3 years ago

When h is 2, is the following statement true: 6h + 9 < 20

Pepsi [2]

Answer:

False

Step-by-step explanation:

12+9<20

21≮20

False

8 0

3 years ago

12 is what percentige of 48

Bas_tet [7]

Answer:

25%

Step-by-step explanation:

100% = 48

1% = 48 ÷ 100 = 0.48

12 ÷ 0.48 = 25%

8 0

3 years ago

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Which graph shows a reflection of point A over the line? *

ohaa [14]

Answer:

Step-by-step explanation:

6 0

3 years ago

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A bag of marbles contains 13 red marbles, 9 blue marbles, and 12 green marbles. If one marble is chosen at random, which is the

Pachacha [2.7K]

Answer:

B. 11/17

Step-by-step explanation:

The total number of marbles in the bag is 34

13 + 9 + 12 = 34

Then you subtract 12 from 34, since you want to know the probability of NOT getting a green marble.

12 - 34 = 22

Then you plug them into the equation:

# of outcomes that satisfy the requirement/ total # of possible outcomes

22/34 = 11/17

Hope this helps!

4 0

3 years ago