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Butoxors [25]
3 years ago
13

Simplify: 3x + 4y + 7x - 2y

Mathematics
2 answers:
tresset_1 [31]3 years ago
8 0

Answer:

10x+2y

Step-by-step explanation:

combine like terms

valina [46]3 years ago
6 0

Answer:

Step-by-step explanation:

3x + 4y + 7x - 2y=3x + 7x +4y - 2y

10x + 2y

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-7+n/5=-11 <br> Solve it down here
chubhunter [2.5K]

Answer:

n = -20

Step-by-step explanation:

-7 + \frac{n}{5} = -11

*multiply both sides by 5*

-35 + n = -55

*add 35 to each side*

n = -55 + 35

*calculate the sum*

n = -20

4 0
3 years ago
Please help me ASAP, thank you ^-^. The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π?
MrRa [10]
<h2>Answer:</h2>

The volume of the cone in terms of π is:

             

A.     392π in³

<h2>Step-by-step explanation:</h2>

The radius of the cone i.e. r is: 7 in.

and the slant height of the cone i.e. l=y=25 in.

and let h=x be the height of the cone.

Now, using the Pythagorean Theorem we have:

l^2=r^2+h^2\\\\i.e.\\\\h^2=l^2-r^2\\\\i.e.\\\\h^2=(25)^2-7^2\\\\i.e.\\\\h^2=625-49\\\\i.e.\\\\h^2=576\\\\i.e.\\\\h=\sqrt{576}\\\\i.e.\\\\h=24

Hence, we get:

h=x=25\ in.

Now, the volume of the cone is given by:

Volume=\dfrac{1}{3}\pi r^2h\\\\i.e.\\\\Volume=\dfrac{1}{3}\times\pi\times (7)^2\times 24\\\\i.e.\\\\Volume=392\pi\ in^3

        Hence, the answer is: Option: A

6 0
3 years ago
Read 2 more answers
Marco is investigating some of the business models of SureSpin, one of Faster Fidget's top competitors.
Vaselesa [24]

Answer:

$13,450

Step-by-step explanation:

The fixed cost of production is $13,450, this is because a fixed cost of production is the amount of cost that does not change with an increase or decrease in the amount of the goods or services produced. Fixed cost of production are paid by companies. It is one of the two component of the total cost of goods or services along with the variable cost.

In regard to the information given in the  question, no matter how many spinners the company produces, the fixed cost will remain the same.

Assuming x is the variable cost which signifies the number of spinners produced, this literally implies that the cost to produce each spinner is $1.28 and the fixed cost which is independent  of the production is $13,450.

Hence, the  fixed cost of production is $13,450.

4 0
4 years ago
1.
katovenus [111]

Answer:

B

Step-by-step explanation:

Soemthing is a function if it can pass the vertical line test

the vertical line test is when you draw a vertical line and it only touches the graph once

Another way of thinking about this is no function can have two of the same values on the x axis

I'm not too sure what's happening with the third response but the answer is B

8 0
3 years ago
Read 2 more answers
What is the solution or solutions to the the equation x+2=2^x
Rainbow [258]

Answer:

x=2

Step-by-step explanation:

2^2=4

2+2=4

3 0
3 years ago
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