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lord [1]
3 years ago
7

Mr. kelly uses an expression to represent the perimeter of a square. Rewrite the expression to represent the length of a side of

the square. P=8x+20
Mathematics
1 answer:
nikklg [1K]3 years ago
3 0

Answer:

Step-by-step explanation:

P = 8x + 20

4*side = 8x + 20

side = (8x + 20)/4

= 8x/4 + 20/4

side = 2x + 5

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A ball is dropped from the top of a building. The distance in feet above the ground, represented by h(t), after t seconds can be
ikadub [295]

Answer:

324 feet

Step-by-step explanation:

h(3) = 16(3)^2 + 180

h(3) = 16(9) + 180

h(3) = 144 + 180

h(3) = 324

3 0
3 years ago
1) Function B: x -> /5 -> +1 = y
GalinKa [24]

Answer:

Suppose f and g are two functions such that

1. (g ◦ f)(x) = x for all x in the domain of f and

2. (f ◦ g)(x) = x for all x in the domain of g

then f and g are said to be inverses of each other. The functions f and g are said to be

invertible.

. Properties of Inverse Functions: Suppose f and g are inverse functions.

• The rangea of f is the domain of g and the domain of f is the range of g

• f(a) = b if and only if g(b) = a

• (a, b) is on the graph of f if and only if (b, a) is on the graph of g

Step-by-step explanation:

7 0
4 years ago
Which properties were used to prove that the expressions 7 x + 4 minus x minus 2 and 6 x + 2 are equivalent?
ziro4ka [17]

Answer:

c

Step-by-step explanation:

i took the test

5 0
4 years ago
The largest Egyptian pyramid is 146.5 m high. When Nika stands far away from the pyramid, her line of sight to the top of the py
Cerrena [4.2K]
First, you need to figure out whether you need to use sin, cosine or tan.
Since we know that we need to find the adjacent side of the triangle and also since we already know the opposite side of the triangle from the angle, we can use tan.
tan(20)=opposite/adjacent
tan(20)=(146.5)/adjacent
adjacent=(146.5)/tan(20)

403 meters away form the pyramid
 
 
3 0
3 years ago
Read 2 more answers
Help plz. I can’t do this
Andrews [41]
The answer to this question is 7x
3 0
4 years ago
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