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3 years ago

Goodmorning I need help with this question. And may you explain to me how to get this right step by step. Thank you.

Mathematics

1 answer:

katen-ka-za [31]3 years ago

3 0

Answer:

I think it's "C"

Step-by-step explanation:

Because a function is the independent variable to the dependent variable... Since, the cost relies on the weight, the cost is dependent. While, the weight is independent. I don't know if I'm right, I kinda suck at math

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Which statement best describes f(6) = 12?

Sergio039 [100]

Answer:

When the input is 6, the output must be 12.

Step-by-step explanation:

f(6) = 12

The input to the function is x which is 6 and the output is what f(6) equals which is 12

5 0

3 years ago

Read 2 more answers

If the numerator and denominator of the fraction is increased by 2an1 respectively; it becomes3/4 if the numerator and the denom

ipn [44]

Answer:

The fraction is $\frac{7}{1}$

Step-by-step explanation:

Let the numerator be x and denominator be y

So, Fraction = $\frac{x}{y}$

Now we are given that numerator and denominator of the fraction is increased by 2 and 1 respectively. it becomes 3/4

So, Fraction becomes : $\frac{x+2}{y+1}=\frac{3}{4}$

$4(x+2)=3(y+1)$

$4x+8=3y+3$

$4x-3y+5=0$ ----1

We are also given that the numerator and the denominator are decreased by 2 and 1 respectively , it becomes 1/2

So, Fraction becomes : $\frac{x-2}{y-1}=\frac{1}{2}$

$2(x-2)=y-1$

$2x-4=y-1$

$2x-y-3=0$ ---- 2

Substitute the value of y from 2 in 1

$4x-3(2x-3)+5=0$

$4x-6x+9+5=0$

$14=2x$

$7=x$

Substitute the value of x in 2

$2(2)-y-3=0$

$4-3=y$

$1=y$

So, Fraction = $\frac{x}{y}=\frac{7}{1}$

Hence The fraction is $\frac{7}{1}$

7 0

2 years ago

Star Cellular has several phone plans to choose from. The $39 monthly service plan allows 500 anytime minutes and charges 40 cen

dlinn [17]

A) $59.00

50 x .40 + 29 = 59

4 0

2 years ago

What is the standard deviation of the data set given below?<br> 4,7, 8, 9, 12

larisa [96]

Answer:

I think 7

Step-by-step explanation:

4 , 8 , 9 and 12 has factors.

7 has no factor.

4= 2×2

8= 2×4

9= 3×3

12= 3×4

3 0

3 years ago

How do you solve a complex number problem

Rzqust [24]

Find real values of the number a for which a.i is a solution of the polynomial equation. ... u,v and w are the three roots of the equation z3 - 1 = 0 . ... Calculate all solutions of |z-1|.|z-1|=1. ... The equation z3 - (n + i) z + m + 2 i = 0. ... Let z' the conjugate complex number of z.

3 0

3 years ago

Goodmorning I need help with this question. And may you explain to me how to get this right step by step. Thank you.​

Goodmorning I need help with this question. And may you explain to me how to get this right step by step. Thank you.