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elena55 [62]
3 years ago
15

√6x^2+4x when x=−6. I can't understand this question I really need help it's due in like 2 mins.

Mathematics
2 answers:
Aneli [31]3 years ago
6 0

Answer:

13.85

Step-by-step explanationplug in -6 into x to find the answer.

VLD [36.1K]3 years ago
3 0

Answer:

Substitute the value of the variable into the equation and simplify.

Exact Form:

36

√

6

−

24

Decimal Form:

64.18163074

Step-by-step explanation:

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Help me with this pleaae
marissa [1.9K]

Answer:

(D) 30pi inches

Step-by-step explanation:

First, we use the given volume, the given height, and the formula of the volume of a cylinder to find the radius of the base. Then we use the radius of the base to find the circumference of the base.

volume = \pi r^2 h

volume = 6750 \pi~in.^3

We set the formula equal to the volume and replace h with 30 in.

\pi r^2 h = 6750 \pi~in.^3

\pi r^2 \times 30 ~in. = 6750 \pi~in.^3

Divide both sides by 30pi in.

r^2 = 225 ~in.^2

Take the square root of each side.

\sqrt{r^2} = \sqrt{225 ~in.^2}

r = 15~in.

The radius of the base is 15 in.

Now we use the radius of the base and the formula of the circumference of a circle to find the answer.

circumference = 2 \pi r

circumference = 2 \pi \times 15~in.

circumference = 30 \pi ~in.

6 0
4 years ago
I am between 24 and 34. You say my name when you count by twos from zero. You say my name when you count by fives from zero. Wha
lions [1.4K]
Is the number 30?

(Extra words because I can't post without them)

4 0
3 years ago
Read 2 more answers
Evaluate the algebraic expression -2.3a + 4.6 for the given value 6<br><br> help!??!?!?
Illusion [34]

Answer:

someone please answer

Step-by-step explanation:

I need this too

7 0
3 years ago
My teacher wouldn't help me.. and this is my last question. I need to know how to find the perimeter of the geometric figure (it
nika2105 [10]
This isn't really a geometry problem.  It's just an addition of fractions.

You know that 'perimeter' means 'the distance all the way around'.
And you know the length of all the sides of the parallelogram.
All you need to do is add them up !

(13/12) + (3/13) + (13/12) + (3/13) = the perimeter

Notice that two of the sides are equal, and the other two sides are also equal.
So you can make the job a little easier if you add up the twelfths first

(13/12) + (13/12) = 26/12

and then add up the thirteenths ...

(3/13) + (3/13) = 6/13 .

Now, the perimeter looks a little bit less complicated.
It's just
                   (26/12) + (6/13) = the perimeter.

This is the tough part.  Before you can add fractions, they need to have
a common denominator. 

The smallest common denominator for 12ths and 13ths is  <em>156 </em>!
Change each fraction to (<em>something over 156</em>), and add um up.
I'll leave that part to you.


5 0
4 years ago
How does the graph of this function compare with the graph of the parent function, y=1/x? It is shifted right 5 units and up 2 u
nasty-shy [4]

Answer:

It is shifted left 5 units and up 2 units from the parent function.

Step-by-step explanation:

Given

y = \frac{1}{x}

y' = \frac{1}{x+5} + 2

Required

Compare both functions

First, translate y, 5 units left.

The rule is:

(x,y) \to (x + 5,y)

So, we have:

y = \frac{1}{x}

y_1 = \frac{1}{x + 5}

Next, translate y1, 2 units up.

The rule is:

(x,y) \to (x,y+2)

So, we have:

y' = y_1 + 2

y' = \frac{1}{x + 5} + 2

Hence, the transformation is:

5 units left and 2 units up

7 0
3 years ago
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