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3 years ago

NEED ASAP!!!

Mathematics

2 answers:

Alchen [17]3 years ago

8 0

Answer:

uh b

Step-by-step explanation:

Hatshy [7]3 years ago

8 0

B i think ?? (needs 20 letters shshshhshaheueje

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In the 30-60-90 triangle below, side s has a length of Blank and the hypotenuse has a length of blank?

Masja [62]

the answer is D

$\sqrt{3} \: and \: 2$

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4 years ago

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(5h3−8h)+(−2h3−h2−2h)

PSYCHO15rus [73]

(5h^3 − 8h) + (−2h^3 − h^2 − 2h)
= 5h^3 - 8h - 2h^3 - h^2 - 2h
= 3h^3 - h^2 - 10h

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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

100 points

lbvjy [14]

Answer:

Step-by-step explanation:

IQR is the difference between Q3 and Q1

According to the top box plot:

Q1 = 4
Q3 = 14

The IQR is:

IQR = 14 - 4 = 10

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3 years ago

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. What is the slope of the following line: x=-4 * a.0 b. undefined c.-4 d.1

s344n2d4d5 [400]

Answer:

undefined

..................

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3 years ago