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nlexa [21]
3 years ago
11

Determine f(9/2) for the function f(x)=3x-5

Mathematics
1 answer:
ANEK [815]3 years ago
5 0

Answer:

f(9/2) = 17/2

Step-by-step explanation:

f(x) = 3x-5

let x=9/2

f(9/2) = 3*9/2 -5

f(9/2) = 27/2 - 5

get a common denominator

f(9/2) = 27/2 - 10/2

f(9/2) = 17/2

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2. Both the populations of the Candy Kingdom and the Fire Kingdom are in decline; their populations
VMariaS [17]

Answer:2. Both the populations of the Candy Kingdom and the Fire Kingdom are in decline; their populations

since 2010 are given by the functions below:

Cit) 1000 - 500

F(t) = 2500 - 1000

Will their populations ever be equal? If so, when will that happen and what will that population be?

Otherwise, briefly explain why their populations will never be equal.

Step-by-step explanation:

4 0
3 years ago
How many solutions does 5(x+9)=5x+45 have
Scilla [17]

Answer:

Simplifying

5(x + 9) = 5x + 45

Reorder the terms:

5(9 + x) = 5x + 45

(9 * 5 + x * 5) = 5x + 45

(45 + 5x) = 5x + 45

Reorder the terms:

45 + 5x = 45 + 5x

Add '-45' to each side of the equation.

45 + -45 + 5x = 45 + -45 + 5x

Combine like terms: 45 + -45 = 0

0 + 5x = 45 + -45 + 5x

5x = 45 + -45 + 5x

Combine like terms: 45 + -45 = 0

5x = 0 + 5x

5x = 5x

Add '-5x' to each side of the equation.

5x + -5x = 5x + -5x

Combine like terms: 5x + -5x = 0

0 = 5x + -5x

Combine like terms: 5x + -5x = 0

0 = 0

Solving

0 = 0

Couldn't find a variable to solve for.

This equation is an identity, all real numbers are solutions

Step-by-step explanation:

7 0
3 years ago
Find the area of each figure.
grandymaker [24]

Answer: if thats a ten then its

Step-by-step explanation:

rectangle is LxW=  70

triangle is A=h(b)/b = 17.5

together it would be 87.5

i think lol

8 0
3 years ago
Calculeaza rapid,grupand convenabil termenii:
WINSTONCH [101]
<span>Am primit răspunsul 25016312
</span>
5 0
4 years ago
Read 2 more answers
A tree has a shadow length of approximately 9 feet. The distance from the tip of the tree to the tip of the shadow is bout 15 fe
worty [1.4K]
This is a right triangle equation
so a^2 + b^2 = c^2
c^2 is the hypotenuse and the 15 feet

a^2 + 9^2 = 15^2
a^2 + 81 = 225
a^2 = 144

the square root of 144 is 12

the tree is 12 feet tall
4 0
3 years ago
Read 2 more answers
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