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3 years ago

Please help with answer

Mathematics

1 answer:

Damm [24]3 years ago

3 0

21)y=5/6x-7
22) y-5=-3/4x

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mr. brown has 78 pencils. he gave them to 8 children so that each child gets the same number of pencils. how many does each chil

Vera_Pavlovna [14]

Each student got 9 pencils. Since 78/8= 9.75 you would round down since a student can't have 3/4th of a pencil.

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3 years ago

Select all the rates that are unit rates.

andreyandreev [35.5K]

Answer:

3/1

Step-by-step explanation:

All unit rates have a denominator of 1.

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2 years ago

Olivia picked 482 apples from the orchard’s largest apple tree. She divided the apples evenly into 4 baskets. How many apples ar

Verdich [7]

Answer:

120 with 2 left over

Step-by-step explanation:

482/4 equals 120.5 so each basket gets 120 and then .5+.5+.5+.5= 2 whole extra apples

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2 years ago

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Write two different rational functions whose graphs have the same end behaviour as the graph of y=3x^2

baherus [9]

Answer:

$y=x^2+5x+20\\ \\ y=8x^2+35$

Explanation:

The <em>end behavior</em> of a <em>rational function</em> is the limit of the function as x approaches negative infinity and infinity.

Note that the the values of even functions are the same for ± x. That implies that their limits for ± ∞ are equal.

The limits of the quadratic function of general form $y=ax^2+bx+c$ as x approaches negative infinity or infinity, when $a$ is positive, are infinity.

That is because as the absolute value of x gets bigger y becomes bigger too.

In mathematical symbols, that is:

$\lim_{x \to -\infty}3x^2=\infty\\ \\ \lim_{x \to \infty}3x^2=\infty$

Hence, the graphs of any quadratic function with positive coefficient of the quadratic term will have the same end behavior as the graph of y = 3x².

Two examples are:

$y=x^2+5x+20\\ \\ y=8x^2+35$

5 0

3 years ago

The graph of a system of equations with the same slope and the same y-intercepts will have no solutions.

Rasek [7]

If 2 equations have the same y-intercept, they are overlapping, which means they have infinite solutions. So there is no way that 2 equations with the same y-intercept will have no solution. Thus your answer is: C)Never.

4 0

3 years ago

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