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r-ruslan [8.4K]
3 years ago
6

Find the equation for the area, A, of the rectangle with a length of n-5 and a width of n-1.

Mathematics
2 answers:
Readme [11.4K]3 years ago
6 0
The answer to this would be C
Nookie1986 [14]3 years ago
5 0

Answer:

C. n^{2}-6n+5

Step-by-step explanation:

Area of a rectangle =l x w

A=(n-5)(n-1)

Use distributive property

n^{2}-n-5n+5

Combine like terms

n^{2}-6n+5

You might be interested in
A sphere has a radius of 4 inches. What is the surface area of the smallest cube that could circumscribe the sphere?
vovikov84 [41]

Answer:

SA=384\ in^2

Step-by-step explanation:

we know that

The smallest cube that could circumscribe the sphere has a length side equal to the diameter of the sphere

In this problem

The radius of the sphere is r=4\ in

The diameter of the sphere is two times the radius

D=2r=2(4)=8\ in

so

The length side of the cube is

b=8\ in

Remember that

The surface area of a cube is equal to the area of its six faces

so

SA=6b^2

substitute the value of b

SA=6(8)^2

SA=384\ in^2

6 0
3 years ago
The measure of the first angle in a triangle is 60 degrees, the second angle is 90 degrees. How many degrees is the measure of t
Ludmilka [50]
If it’s out of 180 degrees it’s 30 degrees
5 0
3 years ago
Read 2 more answers
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
wariber [46]
I agree with the 14x all right, but the remainder of the other part is 178. I'm going to recheck my answer. I'm not confident about using synthetic division for this question. It is 57 years since I did something like this. If I was more confident, I would list the results of synthetic division because it is much easier to show than long division. I'm saying the answer should be 14x + 178.

7 0
3 years ago
Read 2 more answers
Part A: Xavier needs to collect at least 120 cans for a food drive to earn community service credit. He has already collected 64
Sergeu [11.5K]

Answer:

A

Step-by-step explanation:

He needs to collect at least 120 so if c is what he must still collect

64 +c must be greater than or equal to 120

3 0
2 years ago
Write an equation in point-slope form of the line that passes through (3, -8) and (7,-2).
sashaice [31]

Answer:

A line that passes through (3, -8) and (7,-2).

Denote equation of that line: y = ax + b

=> Slope a can be directly determined by:

a = (7 - 3)/(-2 - -8) = 4/6 = 2/3

=> y = (2/3)x + b

This line passes (3, -8), then: -8 = (2/3)*3 + b => -8 = 2 + b => b = -10

=> y =(2/3)x - 10

There are other ways to find equation of line.

Hope this helps!

:)

3 0
2 years ago
Read 2 more answers
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