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Rufina [12.5K]
2 years ago
10

What description represents the expression 5x -9?

Mathematics
1 answer:
mixer [17]2 years ago
6 0

Answer:

A: 9 is subtracted from the product of 5 and a number.

Step-by-step explanation:

We know this because when a varible is place directly next to a number then the number is being multiplied by an unknow number. So in this equation five is being multiplied by an unknown number and nine is being subtracted from that.

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1/6 times what is 4<br> please answer asap
Scorpion4ik [409]
Answer is 24, becuase if you just do the opposite, 4 divided by 1/6 you get 24
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3 years ago
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A sinusoidal function whose period is 4π, maximum value is 6, and minimum value is -2 has a y intercept of 6. What is the equati
IRINA_888 [86]

Equation of the function: f(x) = 4 sin (x/2) + 6.

<h3>What is sinusoidal function ?</h3>

The term sinusoidal is used to describe a curve, referred to as a sine wave or a sinusoid, that exhibits smooth, periodic oscillation. It is named based on the function y=sin(x).

Given: max value= 6, min value= -2, y-intercept= 6.

As, standard form f(x) = A sin (ωx +φ) + k,

where A is the amplitude, ω is the angular velocity with ω=2πf.

Now,

A = |6- (-2)/2|

A = |6 +2/2| = 8/2

A = 4

Also, ω:

The period of a sinusoidal is T = 1/f

so, f = 1 / T

ω = 2πf

ω = 2π ( 1/T) with T = 4π

ω = 2π (1/(4π) = 2π (2)

ω = 1/2

The y-intercept k = 6

So, equation with values A =4, ω = 1/2, k = 6, φ = 0.

f(x) = A f(x)

f(x) = A sin (ωx +φ) + k

f(x) = 4 sin (x/2) + 6.

Hence, equation of the function f(x) = 4 sin (x/2) + 6.

Learn more about this concept here:

brainly.com/question/26315885

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4 0
2 years ago
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24:180

6:45

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1:5
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Answer:

1. 1 1/2

2. 5 1/4

Step-by-step explanation:


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What is the sum 2 2/3 + 1 1/2?
erastova [34]

Answer:

4 1/6, 25/6, 4.167

Step-by-step explanation:

I'm dumb

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3 years ago
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