Mathematics High School

Simplify this PLEASE

Answers

Answer 1

Answer:

[tex]\frac{12a-14b}{21}[/tex]

Step-by-step explanation:

Express the 2 fractions with a common denominator of 21

multiply numerator/denominator of first fraction by 3

multiply numerator/denominator of second fraction by 7

[tex]\frac{4a(3)}{7(3)}[/tex] - [tex]\frac{2b(7)}{3(7)}[/tex]

= [tex]\frac{12a}{21}[/tex] - [tex]\frac{14b}{21}[/tex]

= [tex]\frac{12a-14b}{21}[/tex]

Related Questions

Need help ASAP

Which of the following x-values are approximate solutions to the equation f (x) = g(x) ? Select ALL that apply.

A) x = -3.3

B) x = -2

C) x = 2

D) x = 5.2

E) x = 6.5

Answers

Answer:

A and D

Step-by-step explanation:

I could be wrong but the solutions are the points of intersection between the two functions. By looking at it. I can see that its about -3.3 and 5.2

Hope this helps!

The x-values are approximate solutions to the equation f (x) = g(x) that is -3.3 thus the correct option is A.

What is a function?

Function is a type of relation, or rule, that maps one input to specific single output.,Functions which repeats their values after a fixed interval, are called periodic function.

WE have been given the function x as

f (x) = g(x)

Therefore,

3(17x-6.5) = 108

Then Divide each side by 3;

3/3(17x-6.5) = -108/3

17x - 6.5 = -36

Add 6.5 to each side;

17x-6.5+6.5 = -36+6.5

17x = 42.5

Divide by 17;

17x/17 = -42.5/17

x = -3.3

The x-values are approximate solutions to the equation f (x) = g(x) that is -3.3 thus the correct option is A.

Learn more about function here:

https://brainly.com/question/2253924

#SPJ5

What's 2/3 written as a fraction with a denominator of 9?
A.2/9
B.3/9
C.6/9
D.9/9

Answers

The answer is C
How many 2s go into 6 and 9

The radius of a circle is 12 m what is the area

Answers

Answer:

The area is 452.3

Step-by-step explanation:

A= 3.14r2

A= 3.14 times 12~2

A= 452.2

an elementary school had an election for student council member 60 5th grade students will learn of student council election if 2/3 of students who voted for girls how many boys were there in the student council election

Answers

Answer:

Step-by-step explanation:

Write and graph an equation in two variables that shows the relationship between the time and the distance.

Moves 15 meters in 1 second.

Answers

Answer:

The relation between the time and the distance will be:

y = 15x

The graph of the equation y = 15x is attached below.

Step-by-step explanation:

We know that the equation of linear function in two variables in the slope-intercept form is

y = mx+b

where

m is the rate of change or slope b is the y-intercept

Let y be the distance

Let t be the time

Given that the object moves 15 meters in 1 second.

Thus, the rate of change or slope = m = 15

As there is no initial condition in our case.

Thus the y-intercept b = 0

Now, substituting m = 15 and b = 0 in the linear function

y = mx+b

y = 15x + 0

y = 15x

Therefore, the relation between the time and the distance will be:

y = 15x

The graph of the equation y = 15x is attached below.

Examples:

Calculate the distance in 1 second

put x = 1 in the equation

y = 15(1) = 15 meters

Calculate the distance in 10 second

put x = 10 in the equation

y = 15(10) = 150 meters

IN NEED OF HELP PLZ :(((((((((

Answers

Answer:

Slope is 2 and Y-intercept is 3

Step-by-step explanation:

I use the slope formula

[tex]\frac{y2-y1}{x2-x1}[/tex]

[tex]\frac{3-1}{0-(-1)}[/tex]=[tex]\frac{2}{1} =2[/tex]

Answer:

rawwwwwww

Step-by-step explanation:

13.
What is the image of E for a dilation with center (0,0) and a scale factor of 6?
(-30, 1)
(30, 6)
(-30, 6)
(30, -1)

Answers

Answer:

1- -5, 7

2- 5,12

3- -5,0

4- 5,-7

Step-by-step explanation:

Answer:

its C

Step-by-step explanation:

-30,6

QUESTION 12
A person pays $2 to play a game using only the hearts from a deck of cards (2-10,J,Q,K, ace). If the person draws a number card (2-10).
they lose. If the player draws a face card ( Q,K), they win $3. If the player draws an ace, they win $io. Find the expected value. Is the
game fair?

Answers

Answer:

the value would be 6 and yes the game is fair

+8.2+(−7.9)=

−7.2+(+6.4)

+5.7+(+3.5)

−5.7+(−3.5)

−5.7+(+3.5)

+5.7+(−3.5)

Answers

Answer:

Step-by-step explanation:

Progr

Introdu

Transla

-7 -6 -5 -4

-32

À 3 4 5 6 7

-2

-3

Quiz 1

-4+

-5

Unit

Do 5 problems

Directions: Find the value of x. Round your answer to the nearest tenth.

Answers

Answer:

Step-by-step explanation:

what was honesty from thank you ma'am
IF YOU READ IT BEFORE

Answers

Answer:

Honesty was respect in Thank you ma'am.

Step-by-step explanation:

33 - (1.4 +7.1) + 3.5

Answers

Answer:

Step-by-step explanation:

Answer:= 28

Step-by-step explanation:

33−(1.4+7.1)+3.5

=33−8.5+3.5

=24.5+3.5

=28

Make a VISUAL model and show your math evidence as you solve for x.
1)
2x - 5 = 9

Answers

Answer:

x=7

Step-by-step explanation:

2x-5=9

+5 +5

2x=14

/2 /2

x=7

I don't if this is what you mean by visual, but this is what I got.

2x- 5 =9
2x = 9 + 5. Add them
2x = 14 divide
X=7

20y + 5x=15 solve for x

Answers

Answer:
The answer you are looking g for is X=3

Answer:

Step-by-step explanation:

15=5x+20y

Simple and best practice solution for 15=5x+20y equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

Anthony rode his skateboard for 4 miles in 20 minutes. What was his speed in miles per hour?

A. 5 miles per hour
B. 0.2 miles per hour
C. 12 miles per hour
D. 80 miles per hour

Answers

Answer:

Step-by-step explanation:

if he rode 4 miles in 20 minutes

1h=20*3=60 min

4*3=12 miles/hour

Answer:

A. 5 miles per hour.

Step-by-step explanation:

You divide 20 by 4 to get 5, which is per mile, so yea 5 miles per hour

What is the slope of the line that goes through the following two points?
(0, -4) & (-3,-1)

Answers

Answer:

m=-1

Step-by-step explanation:

hope it helped:)

Answer:

m=-1

Step-by-step explanation:

pls make my answer brailiest

Write the algebraic expression 9r+2 as a verbal expression

Answers

Answer:

We conclude that the algebraic expression 9r+2 can be verbally expressed in many ways such as:

Two more than 9 times a number, r.9 times a number, r, increase by 2.

Step-by-step explanation:

Given the algebraic expression

9r+2

We know that 9r is the product of 9 and 3.

Thus,

9r+2 can be verbally expressed in many ways such as:

Two more than 9 times a number, r.

or it can be also verbally expressed such as:

9 times a number, r, increase by 2.

Therefore, we conclude that the algebraic expression 9r+2 can be verbally expressed in many ways such as:

Two more than 9 times a number, r.9 times a number, r, increase by 2.

helppppp pleaseeeeeee

Answers

Answer:

Step-by-step explanation:

She uses 1/6th a cup of flour with 2/3 cup of water. To use 1 cup of flour she has to do this 6 times.

6 * 2/3 = 12/3 = 4 cups

Convert the fractions to decimals using long division 4/7

Answers

Answer:

0.57142857142

Step-by-step explanation:

it goes on and on tho

Answer:

= 0.57142

Step-by-step explanation:

We have the equation:

4 ÷ 7 = 0.57142

Calculated to 5 decimal places.

simplify (3x+5)(2x+3)

Answers

Answer:

5x • 8

Step-by-step explanation:

First you'd switch the numbers around so they can work together.

(3x+2x)(5+3)

Then you add them together.

5x • 8

This would be the equation simplified.

Simplify the expression (3.5x - 2.7y) + (-12.8x + 15.8y)

Answers

Answer:

-9.3x + 13.1y

Step-by-step explanation:

(3.5x - 2.7y) + (-12.8x + 15.8y) = 3.5x - 2.7y - 12.8x + 15.8y =

= 3.5x - 12.8x - 2.7y + 15.8y = (3.5 - 12.8)x - (2.7 - 15.8)y =

= -(12.8 - 3.5)x + (15.8 - 2.7)y = -9.3x + 13.1y

because

-(-a) = a

-(a + b) = -a - b

-(a - b) = -a + b = b - a

a + (-b) = a - b

Which of the following is a solution to this inequality?
y > 1/2x + 2

Answers

Answer:

We conclude that only (1, 4) satisfies the inequality.

Thus, (1, 4) is a solution to this inequality.

Hence, option A is correct.

Step-by-step explanation:

Given the inequality

y > 1/2x + 2

FOR (1, 4)

y > 1/2x + 2

substituting x = 1, and y = 4

4 > 1/2(1) + 2

4 > 1/2+2

4 > 5/2

TRUE!

Reason: It is true because 4 is indeed greater than 5/2

Thus, (1, 4) satisfies the inequality.

Therefore, (1, 4) is a solution to this inequality.

FOR (-1, 1)

y > 1/2x + 2

substituting x = -1, and y = 1

1 > 1/2(-1) + 2

1 > -1/2+2

1 > 3/2

FALSE!

Reason: It is false because 1 can not be greater than 3/2

Thus, (-1, 1) DOES NOT satisfy the inequality.

FOR (2, 3)

y > 1/2x + 2

substituting x = 2, and y = 3

3 > 1/2(2) +2

3 > 1+2

3 > 3

FALSE!

Reason: It is false because 3 can not be greater than 3.

Thus, (2, 3) DOES NOT satisfy the inequality.

FOR (0, 2)

y > 1/2x + 2

substituting x = 0, and y = 2

2 > 1/2(0) +2

2 > 0+2

2 > 2

FALSE!

Reason: It is false because 2 can not be greater than 2.

Thus, (0, 2) DOES NOT satisfy the inequality.

Therefore, we conclude that only (1, 4) satisfies the inequality.

Thus, (1, 4) is a solution to this inequality.

Hence, option A is correct.

Solve each equation.
3) 4= 2x + 3.x

Answers

Answer:

Step-by-step explanation:

2x+3x=4

5x=4

x=4/5

Answer: x=4/5

Explanation: Switch sides 2x+3x=4
5x=4b. Divide both sides by 5
5x/5 =4/5
x=4/5

All you have to do is write the function!
A software CD can be manufactured for $0.10 each. The development cost to produce the CD is $500,000. The first 200 CDs were used by testers to test the functionality of the software and were not sold.

Write a function, f, for the average cost, in dollars, of a saleable software CD where x is the number of saleable software CDs.

Answers

Answer:

The function that represents the average cost in dollars of saleable software CD is given as follows;

f(x) = 500,020/x + 0.10

Step-by-step explanation:

The given parameters are;

The cost of manufacture of each software CD = $0.10

The development cost to produce the CD = $500,000

The number of CDs that are not sold = The first 200 CDs

The total cost of production. 'C', of the the CD is given as follows;

C = $500,000 + $0.10×200 = $500,020

The function, 'f' for the average cost in dollars of a saleable software CD where 'x' is the number of saleable software CDs is given as follows;

f(x) = (C + 0.10·x)/x = C/x + 0.10

∴ f(x) = 500,020/x + 0.10.

please help
solve log(3x+2)=3

Answers

Answer:

x=334

Step-by-step explanation:

Answer:

0.33 or 1/3

Step-by-step explanation:

1/3=0.33333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333...

It goes on and on(infinite)

out of these numbers which of them differ by 46. 29,17,38,71,35,63,24

Answers

Answer:

Step-by-step explanation:

Add 46 to each number, see if the sum is in the list. In the set of 7 numbers listed, two of them are even (24 and 38), and the other 5 numbers are odd

We do not need to look at all differences.

We need to find two numbers fairly far appart,

and not all look promising.

You could look at approximate differences,

or you could look at the last digit.

71-35 and 63-17 are the only promising differences,

because 71 and 63 are the only numbers large enough to be 46 more than another number in that list,

and when you calculate the last digit you calculate

11-5=6 and 13-7=6.

71-35=36

Help me please I'm confused

Answers

Answer:

The point (x, y) = (3, -4) represents the solution of the given system of equations.

Please check the attached graph.

Step-by-step explanation:

Given the system of equations

[tex]y\:=\:-\frac{3}{2}x\:-\:3[/tex]

[tex]y\:=\:-x\:-\:1[/tex]

Please check the attached graph of the given system of equations

From the graph:

The red line represents the equation: [tex]y\:=\:-\frac{3}{2}x\:-\:3[/tex]The blue line represents the equation: [tex]y\:=\:-x\:-\:1[/tex]

Point of Intersection:

We know that the point of intersection of two lines represents the solution of the system of equations.

It is clear from the attached graph that the two lines intersect at the point (-4, 3).

i.e. at x = -4, y = 3

Therefore, the point (x, y) = (3, -4) represents the solution of the given system of equations.

Please check the attached graph.

What is the solution to the system shown?
x - y = 12

x + y = 20
A.
x = 3, y = -7
B.
x = 4, y = -7
C.
x = 15, y = 3
D.
x = 16, y = 4

Answers

Answer:d

Step-by-step explanation:

16-4=12 and 16+4=20

Given a
27 and b
-16, what is – a - b?

Answers

Answer:

-11

Step-by-step explanation:

-27-(-16)=-11 or, -27+16=-11

3
Write 180 as a product of prime factors in index form.
(3 Points)
Enter your answer

Answers

Answer:

2^2*3^2*5

Step-by-step explanation:

180

90 2

45 2

9 5

3 3

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Simplify this PLEASE​

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Simplify this PLEASE