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sergejj [24]
3 years ago
11

I need help on this question please and thank you that would be great

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
4 0

Answer:

w independant a dependant

Step-by-step explanation:

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HELP WITH MATH PLEASE
sergey [27]

Answer:

1) (-3,-2)

2) x=-3

Step-by-step explanation:

1) The vertex of a parabola is the turning point that is the minimum or maximum of the graph, based on the shape of the parabola. In this case, the vertex is the minimum. By looking at the coordinate points, we can tell that the minimum value where the graph changes the direction is at (-3,-2).

2) The line of symmetry is the line on the graph that cuts the shape exactly in half. This means that if you were to fold the graph along this line, the two sides would be identical. All parabolas have a line of symmetry and it always matches the vertex. The equation for the line of symmetry will be x= whatever the x-value of the vertex is. So, for this graph, the line of symmetry is x=-3.

7 0
3 years ago
Solve using the method of elimination and determine if the system has 1 solution, no solutions, or infinite solutions
xeze [42]

Answer:

(3,1) --> One solution

Step-by-step explanation:

Start by multiplying the first equation by 4:

-7x(4)+2y(4)=-19(4)

     -28x+8y=-76

In this scenario, we can eliminate 8y by subtracting the two equations:

-34x=-102

Divide both sides by -34

x=3

Plug 3 back in for x to solve for y

-7(3)+2y=-19

-21+2y=-19

Add 21 to both sides

2y=2

Divide both sides by 2

y=1

(x,y)=(3,1)

4 0
3 years ago
Read 2 more answers
Someone help me please!
Dvinal [7]

Answer:

The radius is 25 cm

A

Step-by-step explanation:

Area =\pi* r^2

Area = 625 * \pi

625 \pi = \pi * r^2                     The \pis cancel out

r^2 = 625                              Take the square roots of both sides              

sqrt(r^2) = sqrt(625)

r = 25

4 0
3 years ago
the chess club meets every two weeks and the student council meets every three weeks, how many weeks will it be before both club
scoray [572]

Answer:

6 weeks

Step-by-step explanation:

We need to find the common multiple of 3 and 2. The multiple of 2 and 3 is 6.

So on the 6th week.

I hope I could help!

4 0
3 years ago
Can I please get some help on these
Snowcat [4.5K]

Answer:

11.   10/9 = 80/72

12.  8/12 = 72/108

13.  22/99 = 2/9

14  4  41/123 = 4 1/3

15.  84/840 = 1/10

16. 6/14  vs 3/7    (cross multiply numerators and denominators)

      42   vs  42

    Therefore 6/14 = 3/7

17.  2/3 vs 5/7  (cross multiply numerators and denominators)

       14  vs  15

    Therefore 2/3 < 5/7

18.  1/5, 1/2, 1/4   (Change to decimals then compare)

      .20   .50   .25

Therefore increasing order is 1/5, 1/4, 1/2

19.  5/7, 5/6, 7/9  (Change to decimals then compare)

     .71     .83    .77

Therefore increasing order is 5/7, 7/9, 5/6

Step-by-step explanation:

3 0
3 years ago
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