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adoni [48]
3 years ago
6

Write 3/16 as a decimal

Mathematics
2 answers:
ElenaW [278]3 years ago
6 0

Answer:

0.1875

Step-by-step explanation:

liq [111]3 years ago
4 0

Answer:

0.1875

To get 3/16 in decimal form you simply divide the 3 by 16. H

3 ÷ 16 = 0.1875

Step-by-step explanation:

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hey, can someone please double check these questions for me / or help me solve them if they are incorrect? thank you U-U ​
zzz [600]

Question 11

The directrix is a horizontal line, which means the parabola opens either upward or downward. In this case, it opens downward. This is because all answer choices have a negative leading coefficient. Also, it's because the focus is below the directrix.

For vertically opening parabolas, we use this form

4p(y-k) = (x-h)^2

where (h,k) is the vertex and p is the focal distance, aka the distance from the vertex the focus. To find (h,k), we start at the focus (0,-4) and move directly up until we reach the directrix y = 4. We'll arrive at (0,4). The midpoint of (0,-4) and (0,4) is (0,0) which is the vertex's location. So (h,k) = (0,0).

Note that in moving from (0,-4) to (0,4) is a span of 4 units. So this is the value of p.

Plug h = 0, k = 0, p = 4 into the equation mentioned and solve for y

4p(y-k) = (x-h)^2

4*4(y-0) = (x-0)^2

16y = x^2

y = (1/16)x^2

The only adjustment we need to make is to change the 1/16 to -1/16 so that the parabola opens downward.

<h3>Answer:  Choice D.  y = -(1/16)x^2</h3>

===============================================

Question 3

The given equation is in the form y = ax^2+bx+c

In this case,

  • a = 2
  • b = 4
  • c = 3

Let's compute the x coordinate of the vertex h

h = -b/(2a)

h = -4/(2*2)

h = -1

This h value is plugged into the original function to find k

f(x) = 2x^2+4x+3

f(-1) = 2(-1)^2+4(-1)+3

f(-1) = 1

We find that h = -1 and k = 1 pair up together. In short, (h,k) = (-1,1) is the vertex.

<h3>Answer: Choice B.  (-1,1)</h3>
8 0
2 years ago
Mrs.gauthier plans to take her class on 2 field trips this year there are 23 students in her class and each field trip will cost
Alina [70]

If there is 2 field trips with 23 students and each student costs $5 dollars. So for the 1st trip it will be 23x$5

1st trip- $115

And on the second trip its the same because there is 23 students that cost 5 dollars so it will be 23x5

2nd trip- $115

To find out the total of both trips youd add 115+115/

In total, for both trips it will cost $230 dollars.

7 0
3 years ago
How meany people use khan for there math?
olganol [36]

Answer:

I must say i don't but i feel like it would be way easier then how my home school is doing it

3 0
3 years ago
Read 2 more answers
In May, a national park had 50,498 visitors. In June, the same park had 82,062 visitors. How many more visitors did the park hav
lord [1]

Answer:

31,564

Step-by-step explanation:

82,062 - 50,498 = 31,564

7 0
3 years ago
Instructions: Given the following constraints, find the maximum and minimum values for z.
loris [4]

Answer:

x+3y\leq 0        

x-y\geq 0

1) x+3y=0

x-y=0

-----

4y=0

y=0

x=0

(0,0)

2)(x+3y=0)3

3x-7y=16

3x+9y=0

3x-7y=16\\------\\16y=-16

y=-1

(3,-1)

3)(x-y=0)3

3x-7y=16

3x-3y=16

3x-3y=0

3x-7y=16\\------\\4y=-16

y=-4

x=4

(4,-4)

Z=-x+5y

(0,0):z=0

(3,-1):z=-8

(4,-4):z=-24

Maximum \:Value\: of\: z:0

Minimum\: Value\: of\: z:-24

<u>OAmalOHopeO</u>

8 0
3 years ago
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