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Serjik [45]
2 years ago
14

If the perimeter of the triangle is fifteen centimeters what is the value of n?

Mathematics
2 answers:
Harrizon [31]2 years ago
6 0

I am pretty sure the value of ‘n’ is 2.5!

nasty-shy [4]2 years ago
3 0

Step-by-step explanation:

perimeter of a triangle is sum of its side

perimeter of a triangle = 3 ×side

let side be n

15=3×n

15/3=n

5= n

so the side of the triangle is 5 or the value of n is 5

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Answer:

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Step-by-step explanation:

8 0
3 years ago
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2 years ago
PLEASE HELP !!!!!!!!Solve the system of equations using the linear combination method.
vfiekz [6]

Answer:

The solution would be (5, -2)

Step-by-step explanation:

To use this method, start by multiplying the second equation by -1. Then add the two equations together.

9x + 5y = 35

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------------------

7x = 35

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Now that we have the value of x, use it to solve either equation for y.

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6 0
3 years ago
What is the exact volume of the cone with a radius of 7in and a height of 4in use 3.14 for π
vfiekz [6]

Answer:

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Step-by-step explanation:

we know that

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8 0
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Algebra 2 question need help.​
MrMuchimi

Answer: Choice C

h(x) = -x^4 + 2x^3 + 3x^2 + 4x + 5

===========================================

Explanation:

When reflecting the function f(x) over the y axis, we replace every x with -x and simplify like so

f(x) = -x^4 - 2x^3 + 3x^2 - 4x + 5

f(-x) = -(-x)^4 - 2(-x)^3 + 3(-x)^2 - 4(-x) + 5

f(-x) = -x^4 + 2x^3 + 3x^2 + 4x + 5

h(x) = -x^4 + 2x^3 + 3x^2 + 4x + 5

Note the sign changes that occur for the terms that have odd exponents (the terms -2x^3 and -4x become +2x^3 and +4x); while the even exponent terms keep the same sign.

The reason why we replace every x with -x is because of the examples mentioned below

-----------

Examples:

The point (1,2) moves to (-1,2) after a y axis reflection

Similarly, (-5,7) moves to (5,7) after a y axis reflection.

As you can see, the y coordinate stays the same but the x coordinate flips in sign from negative to positive or vice versa. This is the direct reason for the replacement of every x with -x.

4 0
2 years ago
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