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Aleonysh [2.5K]
3 years ago
15

Given the table, what is the y-intercept of the linear function?

Mathematics
1 answer:
motikmotik3 years ago
6 0

Step-by-step explanation:

........................................

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Dwayne walks a total of 960 feet around 3 sides of a square city block. Which
Ugo [173]

Answer:

The perimeter is 1280ft

Step-by-step explanation:

Let the side length of the square be s.

Then the distance around three sides is 3s.

According to the question the distance around 3 sides of a square city block is 960 feet.

This implies that:

3s = 960

s =  \frac{960}{3}

s = 320

The perimeter of a square is

p = 4s

Substitute s=320 to get:

p = 4(320)

p = 1280

The perimeter is 1280 ft

5 0
3 years ago
Read 2 more answers
Which number line shows the solution set to this inequality? -2x + 9 < x − 9
kotykmax [81]

Answer:

see below

Step-by-step explanation:

-2x + 9 < x − 9

Add 2x to each side

2x-2x + 9 < 2x+x − 9

9 < 3x-9

Add 9 to each side

9+9 < 3x

18 < 3x

Divide each side  by 3

18/3 < 3x/3

6 < x

Open circle  at 6 line going to the right

5 0
3 years ago
10- 3/4z = 8<br><br> Somebody, please help me! I don't get this!
gizmo_the_mogwai [7]

Answer:

z = 8/3

Step-by-step explanation:

10- 3/4z = 8

Subtract 10 from each side

10-10- 3/4z = 8-10

-3/4z = -2

Multiply each side by -4/3

-3/4z * -4/3 = -2 *4/3

z = 8/3

6 0
2 years ago
This week beth made 10 more then twice the number of cookies she made last week,x. Which expression represents the total numbwr
Lapatulllka [165]
2x + 10 is the answer to the question
7 0
3 years ago
The graph of a quadratic function has a vertex at (5,3) and goes through the point (-1,-9). What is the equation of the function
kotegsom [21]

Answer:

y=-\frac{1}{3} (x-5)^2+3

Step-by-step explanation:

We are given the following;

  • Vertex of a quadratic function = (5,3)
  • A point where the function passes through (-1, -9)

Required to determine the equation of the function;

  • We need to know the vertex form of a quadratic function is;

y=a(x-h)^2+k, where h and k correspond to the vertex (h,k)

  • Therefore, we can replace the variables h and k of the vertex in the equation;

That is;

y=a(x-5)^2+3

Then we use the equation and the point given to solve for a

x = -1 and y = -9

We get;

-9=a(-1-5)^2+3\\-9 = a(36) + 3\\-9 - 3 = 36a\\-12 =36a \\a=-\frac{1}{3}

Substituting the values of a, h and k in the equation, we get;

y=-\frac{1}{3} (x-5)^2+3

Thus, the equation of the function in the vertex form is y=-\frac{1}{3} (x-5)^2+3

8 0
3 years ago
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