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alekssr [168]
2 years ago
13

Which system of equations does this graph represent?

Mathematics
1 answer:
jeyben [28]2 years ago
7 0

Answer:

1

Step-by-step explanation:

First, we can find the equation of the parabola. The standard form of a parabola is ax^2 + bx + c,

where c is the y-intercept. The y-intercept on the graph is -5, and every option starts with x^2, so the equation must be x^2 - 5. This rules out options 3 and 4.

Next, we can find the equation of the line. The options are all given in slope-intercept form: y = mx + b, where b is the y-intercept. The y-intercept on the graph is 1, and option 1 has 1 in the place of b. Therefore, option 1 is the answer.

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The question is: type your equation for the following pattern
Nana76 [90]

Answer:

\large\boxed{a(n)=16\left(\dfrac{1}{2}\right)^{n-1}}

Step-by-step explanation:

a(1)=16\\\\a(2)=16:2=8\\\\a(3)=8:2=4\\\\a(4)=4:2=2\\\\a(5)=2:2=1\\\\a(n)=a_{n-1}:2=\dfrac{1}{2}a_{n-1}

This is a geometric series with the common ratio r=\dfrac{1}{2} and the first term a_1=16.

An explicit formula of the n-th term of a geometric sequence:

a_n=a_1r^{n-1}

Substitute:

a_n=16\left(\dfrac{1}{2}\right)^{n-1}

7 0
3 years ago
the equation 5x +2y=20 represents the cost for a family to attend a play where x = the number of.kids & y=the number of chil
Paha777 [63]
You can plug 0 into y for the x intercept and 0 into x for the y intercept.
7 0
2 years ago
Which gives the best estimate and the exact product of (5.9)(8.28)? A: estimate: 40; exact product: 48.852
Evgesh-ka [11]
I think B gives the best estimate and exact product because

1). 5.9 x 8.28 is very similar to 6 x 8 which equals 48.

and 

2. 5.9 x 8.28 = 48.852.

Hopefully that made sense. :)
5 0
3 years ago
Read 2 more answers
3x+2y=8
nevsk [136]

The slope is 3

I am not that shure on the y intercept

3 0
3 years ago
The net of an isosceles triangular prism is shown. What is the surface area, in square units, of the triangular prism.
lions [1.4K]

Answer:

I don't see the triangular prism.

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
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