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3 years ago

Help me please ....................................

Mathematics

1 answer:

atroni [7]3 years ago

7 0

Answer:

I can't help u with this cause I do not know this kind of math I only learn about Fractions and other math except for algebra.

Step-by-step explanation:

I wish u the best of luck on trying to figure out this answer.

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Item 5 The frequency of the musical note F4 is about 349.23 Hz. What is the frequency of the note one octave above F4? 698.46 Hz

ira [324]

Answer:

698.46 Hz

Step-by-step explanation:

A note an octave higher than another note is double the amount of frequency.

In this example, the note is 349.23 Hz. Doubled, this is 698.46 Hz. Therefore, the final answer is the first option, 698.46 Hz

3 0

3 years ago

6x – 2y = 10 2x + 3y = 51 solving the first equation above for y gives:

Masja [62]

The first equation is 6x - 2y = 10. To solve for y, you will use inverse (opposite) operations to undo what is happening to y. Please see the steps below for the work.

6x - 2y = 10
-6x -6x
<u>-2y </u>= <u>(-6x + 10)</u>
-2 -2
y = 3x - 5

6 0

3 years ago

I have a 41% on my technology grade. (Dont judge. Im not good with tech.) I have a portfolio grade worth 26% of my grade. What w

Shtirlitz [24]

Well, if you have a 41% percent, then you would most likely get a 40%.

70's are bad grades, and lower your grade down (or at least in my school). If, though, this was a huge thing, then you would get a 39%.

I suggest you try hard on this, so your grade could increase if you get an A.(;

7 0

4 years ago

Read 2 more answers

Given that f(x) = x2 + 5x + 6 and g(x) = x + 2, find (fºg)(x) and

PolarNik [594]

Answer:

$(f\circ g)(x)=x^2+9x+20$

Step-by-step explanation:

We have the two functions:

$f(x)=x^2+5x+6\text{ and } g(x)=x+2$

And we want to find:

$(f\circ g)(x)$

This is equivalent to:

$(f\circ g)(x)=f(g(x))$

Therefore, we will have:

$f(x+2)$

By substitution:

$f(x+2)=(x+2)^2+5(x+2)+6$

Simplify. Square and distribute:

$f(x+2)=(x^2+4x+4)+(5x+10)+6$

Rearrange:

$f(x+2)=(x^2)+(4x+5x)+(4+10+6)$

Combine like terms:

$f(x+2)=(f\circ g)(x)=x^2+9x+20$

7 0

3 years ago

Which of the following statements is true?

vovikov84 [41]

Answer:

rational numbers are real numbers that statement is true

Step-by-step explanation:

because all rational numbers are belong to real number ,

real number contain all type of numbers rational and real number.

3 0

3 years ago