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2 years ago

Find the y-intercept of the following equation. Simplify your answer.

Mathematics

1 answer:

Fudgin [204]2 years ago

4 0

Answer:

Step-by-step explanation:

Since there is no obvious y-intercept in the equation, it would automatically be 0

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iragen [17]

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3 years ago

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1)Sheyna drive to the lake and back. It took two hours less time to get there than it did to get back. The average speed on the

ipn [44]

Answer:

8 hours

Step-by-step explanation:

Given:

Sheyna drives to the lake with average speed of 60 mph and

$v_1 = 60\ mph$

Sheyna drives back from the lake with average speed of 36 mph

$v_2 = 36\ mph$

It took 2 hours less time to get there than it did to get back.

Let $t_1$ be the time taken to drive to lake.

Let $t_2$ be the time taken to drive back from lake.

$t_2-t_1 = 2$ hrs ..... (1)

To find:

Total time taken = ?

$t_1+t_2 = ?$

Solution:

Let D be the distance to lake.

Formula for time is given as:

$Time =\dfrac{Distance}{Speed }$

$t_1 = \dfrac{D}{60}\ hrs$

$t_2 = \dfrac{D}{36}\ hrs$

Putting in equation (1):

$\dfrac{D}{36}-\dfrac{D}{60} = 2\\\Rightarrow \dfrac{5D-3D}{180} = 2\\\Rightarrow \dfrac{2D}{180} = 2\\\Rightarrow D = 180\ miles$

So,

$t_1 = \dfrac{180}{60}\ hrs = 3 \ hrs$

$t_2 = \dfrac{180}{36}\ hrs = 5\ hrs$

So, the answer is:

$t_1+t_2 = \bold{8\ hrs}$

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3 years ago

State a cubic or quartic function with the least degree possible in intercept form for the given graph. Assume that all x-interc

Iteru [2.4K]

Answer:

y = $-x^{3} - 2x^{2} + 5x + 6$

Step-by-step explanation:

The function will be cubic. The x-intercepts are -4, -1, and 2

The constant factor is -1 because the graph falls on the right. So,

y = -(x + 4)(x + 1)(x - 2)

y = - $x^{3} -2x^{2} + 5x +6$

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3 years ago

What is the lcd of the fractions 4/5x^2y, 8/3xy, 12/13xy^5

zheka24 [161]

195xy is ur lowest common denominator

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3 years ago

Pls help I will mark brainlist if correct !! :)

Kruka [31]

Answer:

a and b

Step-by-step explanation:

3 0

3 years ago

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