3 years ago

Describe the correct answer to this problem including units what is the volume of the figure

Mathematics

1 answer:

Andru [333]3 years ago

8 0

Step-by-step explanation:

height = √6.5² - 2.5² = 6ft

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Complete the identity

spin [16.1K]

Answer: $cos(\pi-x)=-cos(x)$

Step-by-step explanation:

We need to apply the following identity:

$cos(A - B) = cos A*cos B + sinA*sin B$

Then, applying this, you know that for $cos(\pi-x)$ :

$cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)$

We need to remember that:

$cos(\pi)=-1$ and $sin(\pi)=0$

Therefore, we need to substitute these values into $cos(\pi-x)=cos(\pi)*cos(x)+sin(\pi)*sin(x)$ .

Then, you get:

$cos(\pi-x)=(-1)*cos(x)+0*sin(x)$

$cos(\pi-x)=-1cos(x)+0$

$cos(\pi-x)=-cos(x)$

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3 years ago

What is MN? Question 10 options: 36 23 6 4

vova2212 [387]

Answer:

I got 23 so I am not sure sorry

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3 years ago

Is this correct? and how do u solve it?

Leona [35]

I’m not sure if your answer is right but here’s how to solve it

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3 years ago

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you can use the expression 5n to determine the amount of money you have in cents, when you have n nickels. Find the amount of mo

Anni [7]

Answer:

90 cents

Step-by-step explanation:

Find how much money you have by plugging in 18 as n into the expression:

5(18)

Multiply:

= 90

So, when you have 18 nickels, you have 90 cents

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3 years ago

A 747 jet flew 1744 miles in 3.2 hours.A 787 jet flew 1325 miles in 2.5 hours. Which jet had the fastest constant speed/ How muc

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