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2 years ago

USLI5

Mathematics

1 answer:

Reptile [31]2 years ago

4 0

For #3.

Zeros are 3 and -1 (plot them on the x-axis as a point)

Axis of symmetry is halfway between those so it’s: x=1

Vertex is (1, -4)

Y-intercept is (0,-3)

Domain is always all real numbers
Range is y is greater than or equal to -3

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Answer:

Step-by-step explanation:

You must first know that 1 week = 7days

If Sophie practices the piano 105 minutes in 1 week, this can be expressed as;

105 minutes = 7days

to calculate the total time t that she practices for any number of days, d, we will say;

t minutes = d days.

Solving both expression;

105 minutes = 7days

t minutes = d days.

Cross multiply;

7 * t = 105 * d

7t = 105d

Divide both sides by 7;

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Hence a proportional equation for t in terms of d that matches the context is expressed as t = 15d

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klio [65]

Answer:

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Step-by-step explanation:

Probability = $\frac{Required outcomes}{Total possible outcomes}$

We are given the equal regions numbered from 1 through 20 which means that our total possible outcomes are 20

<em>Total possible outcomes: 20</em>

<em>Outcomes that spinner will stop on an odd number, n(Odd): 10</em>

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Probability of spinner stoping on Odd number:

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Probability of spinner stoping on multiple of 5:

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