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2 years ago

A metal block is delivered to a construction site. The block is in the shape of a rectangular prism.

Mathematics

2 answers:

Juli2301 [7.4K]2 years ago

7 0

Answer: c 12.3

Step-by-step explanation:

kkurt [141]2 years ago

6 0

Answer:

Step-by-step explanation:

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90 POINTS PLEASE HELP

11111nata11111 [884]

$sin\alpha = - 0.8$

<u>Step-by-step explanation:</u>

We have , $cos\alpha = \frac{3}{5}$ , where $\alpha$ is located in IV quadrant! Let's find out value of $sin\alpha$ :

$sin\alpha = \sqrt{1-(cos\alpha )^2$

⇒ $sin\alpha = \sqrt{1-(cos\alpha )^2$

⇒ $sin\alpha = \sqrt{1-(\frac{3}{5} )^2$

⇒ $sin\alpha = \sqrt{1-(\frac{9}{25} )$

⇒ $sin\alpha = \sqrt{(\frac{25-9}{25} )$

⇒ $sin\alpha = \sqrt{(\frac{16}{25} )$

⇒ $sin\alpha = \pm {(\frac{4}{5} )$

Value of $sin\alpha$ is dependent on which quadrant it is . Since, in question it's given that $\alpha$ is located in IV quadrant , So $sin\alpha$ is negative i.e.

⇒ $sin\alpha = - {(\frac{4}{5} )$

⇒ $sin\alpha = - 0.8$

Therefore, $sin\alpha = - 0.8$ .

4 0

3 years ago

Read 2 more answers

What percent is 6 out of 30?

aleksandr82 [10.1K]

The answer to this is 20%

7 0

3 years ago

Read 2 more answers

Complete the function table below for the function F(x) = 5x-7.

MA_775_DIABLO [31]

The answer is true it goes up by 5 every time

8 0

3 years ago

Find the value of x. Give reasons to justify your solution-

weqwewe [10]

Answer:

x =27

Step-by-step explanation:

from Z angls rule the agle (BDE) =72

and total angl on D =180

so, 2x +2x+72=180

4x = 180 -72

4x = 108 (divied both sides by 4)

x= 27

6 0

2 years ago

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The following table shows values from a linear function. What is the

Naddik [55]

Answer:

Step-by-step explanation:

The equation graphed from these points is y=3x+9, therefore the y-intercept is 9.

4 0

2 years ago