3 years ago

In angle MNO, the measure of

Mathematics

1 answer:

Harman [31]3 years ago

7 0

Answer:

Step-by-step explanation:

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Given f (x) = 4x - 3,g(2) = x3 + 2x<br> Find (f - g) (4)

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3 years ago

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

What is the solution set for 4x+ 9 <17?

Natali5045456 [20]

Answer:

The awnser is d i think

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3 years ago

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Tamara has a cell phone plan that charges $0.07 per minute plus a monthly fee of $19.00. She budgets $29.50 per month for total

Dominik [7]

Answer:

The Answer is A: 150

Step-by-step explanation:

$29.50 - $19.00 = $10.5

$10.5 / $0.07 = 150 Minutes.

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3 years ago

Three times a number increased by 8 is no more than the number decreased by 4.find the number

Inessa05 [86]

3x+ 8= x-4
2x + 8= -4
2x= -12
x= -6

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4 years ago