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bearhunter [10]
3 years ago
12

Can someone please help ???

Mathematics
1 answer:
Zinaida [17]3 years ago
4 0
The opening of a parabola is upwards if its two "legs" are pointing up \/ and downwards if the legs are pointing down /\
>> ( a ) upwards

The y-int is where the graph intersects with the y axis
The x-int is where the graph intersects with the x axis
>> ( b ) there is no x-int in this case
y-int = 6

The vertex is where the two "legs" meet; it's either the maximum or the minimum of the graph.
>> ( c ) v = (2 , 2)

The axis of symmetry is the line which you would consider as a "mirror" it can be either the horizontal or in this case vertical line where it is the axis of reflection.
>> ( d ) x = 2
You might be interested in
Total solar eclipses occur on a regular and predictable basis. One that could be viewed in parts of the United States occurred o
Ivenika [448]

Answer:

Step-by-step explanation:

The previous solar eclipse occured on March 7 , 1970 .

saros cycle has duration of 18 years , 11 + 1/3 days

So the earth goes 1 / 3 of its daily rotation beyond its previous location in the next solar eclipse on the earth . In order that we get solar eclipse on the same point on the earth , we shall have to wait for third solar eclipse

So total period of wait = 18 x 3 years + 11 x 3 + 1 = 54 years and 34 days

Date of next solar eclipse on the same spot = 1970 + 54 = 2024

7 th March + 34 days = April 10

likely date = April 10 , 2024 .

8 0
3 years ago
If f(x) = 3x + 2 and g(x) = x2<br> x, find each value. f(2)=
Anika [276]

Answer:

F(2)=8 and G(2)=4

Step-by-step explanation:

3 0
3 years ago
The distribution of 27 salaries at a small company has mean $35,000 and standard deviation $2,000. Suppose the company hires a 2
Ira Lisetskai [31]

Answer:

Option B is right

Step-by-step explanation:

given that the distribution of 27 salaries at a small company has mean $35,000 and standard deviation $2,000.

When an extreme outlier such as 120000 is included for 28th employee we find that mean would jump up.

Since original median was 14th item, now with one more, new median would be average of 14th and 15th.  Hence median may change.

Range will definitely change because maximum shifted up to 120000

Hence we can say

mean increases , median change and range changes.

Hence we find that Option B is right.

4 0
3 years ago
Solve for y 3y-1=z<br> 2
Eva8 [605]

Answer:

y=1

Step-by-step explanation:

5 0
3 years ago
The ratio of the perimeters of two similar triangles is 4:3. What are the areas of these triangles if the sum of their areas is
emmasim [6.3K]

Answer:

the areas of these triangles are 83.2cm² and 46.8cm²

Step-by-step explanation:

1. If the triangles are similar and the ratio of the perimeter ois 4:3, then the areas are in the following ratio:

4²:3²

 16:9                                                                      

2. The sum of their areas is 65 cm², then, you can calculate the area of the larger triangle as following:

130(16/16+9)

130(0.64)

=83.2cm²

3. The area of the smaller triangle is:

130(9/16+9)

130(0.36)

46.8cm²

<u>Hope this help</u>s

6 0
3 years ago
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