3 years ago

Describe a graph that shows Sam running at a constant rate

Mathematics

1 answer:

Ulleksa [173]3 years ago

3 0

A positive evenly diagonal line on the speed time graph

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sdas [7]

Answer:

$13.76

Step-by-step explanation:

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3 years ago

Jordan got 27 out of 90 correct on his test . What fraction of the marks did her get correct

Rudik [331]

He got 30% correct. To get this answer, you would divide 27 ÷ 90 and get 0.3. Then you would convert 0.3 into fraction form, which is 30%.

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4 years ago

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Find the vertex and axis of symmetry for f(x)=2x^2-1

vfiekz [6]

<h3>Axis of symmetry is 0 and vertex is (0, -1)</h3>

Solution:

Given is:

$f(x) = 2x^2 - 1$

We have to find the vertex and axis of symmetry

The general equation is given as:

$f(x) = ax^2 + bx + c$

Comparing with given equation,

a = 2

b = 0

c = -1

The axis of symmetry is given as:

$x = \frac{-b}{2a}$

$x = \frac{0}{2(2)}\\\\x = 0$

Thus axis of symmetry is 0

The x coordinate of the vertex is the same

x coordinate of the vertex = 0

h = 0

The y coordinate of the vertex is:

k = f(h)

k = f(0)

$f(0) = 2(0) - 1\\\\f(0) = 0 - 1\\\\f(0) = -1$

Thus, y coordinate of the vertex is -1

Therefore, vertex is (0, -1)

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3 years ago

2 (3x + 6) = 3 (x - 10)

Masteriza [31]

Answer:

x= -14

Step-by-step explanation:

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