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3 years ago

A cross-country skier reaches the 3-km mark of a race in 15 min and the 12-km mark 45 min later. Find the speed of the skier.

Mathematics

1 answer:

musickatia [10]3 years ago

4 0

Answer:

3 km every 15 mins

step-by-step explanation:

3*4==12

15+15+15= 45

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tiny-mole [99]

This can be solved by finding their point of intersection on the graph, which is at point (1,3).

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3 years ago

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Kyle is having a party he has 43 hot dogs there will be 8 people at his party how many hotdogs will each person get

Brrunno [24]

each person will get 5 hot dogs.

Step-by-step explanation:

Total number of Hot dogs =43

Total number of people at party= 8

Each person will get hot dogs= $\frac{Total number of Hot dogs}{Total number of people at party }$

Each person will get hot dogs= $\frac{43}{8}$

Each person will get hot dogs= 5.37 or ≈ 5

So, each person will get 5 hot dogs.

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Learn more about Word Problems at:

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3 years ago

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Ira Lisetskai [31]

1 Simplify

x to

≤

−

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2 Subtract

5 from both sides.

≤

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≤−4−5

3 Simplify

−

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−

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≤

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4 Multiply both sides by

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x≤−9×3

5 Simplify

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6 0

3 years ago

The parabola y=x^2 is reflected across the x axis and then scaled vertically by a factor of 1/8.

tekilochka [14]

ANSWER

The new equation is:

$y = - \frac{1}{8} {x}^{2}$

EXPLANATION

The given parabola has equation,

$y = {x}^{2}$

This is the parent function.

When we reflect this parabola in the x-axis and then scaled vertically by a factor of 1/8.

The new equation becomes:

$y = - \frac{1}{8} {x}^{2}$

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3 years ago

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yKpoI14uk [10]

Answer:

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