Mathematics High School

If possible step by step explanation. thank you!

If Possible Step By Step Explanation. Thank You!

Answers

Answer 1

Answer:

A

Step-by-step explanation:

[tex]\frac{(3x^{2} )^\frac{1}{2} }{3^\frac{1}{2} } =3[/tex]

[tex](3x^2)^\frac{1}{2} = 3^\frac{1}{2} x[/tex]

Remember that [tex]\frac{x^b}{x^c} =[/tex]x^(b-c)

Using that [tex]\frac{3^\frac{1}{2}x }{3^\frac{1}{2} }[/tex]=3^(1/2x-1/2)=3^((x-1)/2)

[tex]3^\frac{x-1}{2} =3^1[/tex]

So we can say: [tex]\frac{x-1}{2} =1[/tex], because the bases are the same

We can multiply both sides of the equation by 2. We get x-1=2, and x=3. Which is A.

Related Questions

teri is making ribbons to give to her friends. Her budget is limited, and she has some constraints on the number of bracelets she can make compared to the number of ribbons. She has drown a graph to represent the number of items she can make where x represent the number of ribbons and y represents the number of bracelets

Answers

Step-by-step explanation:

not a solution

(4,3) / (3,10)

solution

)4,-3)...........(2,10)

nvm

Question 1

Part A


Write a ratio of apples compared to all the fruit.


Enter the correct answers in the boxes.

Answers

Answer:Question 1

Part A

Step-by-step explanation:

Solve y + 4.2 =-6.6.

A)y=-10.8

B) y=-2.4

C) y=2.4

D)y= 10.8

Answers

Answer:

-10.8 is the answer hope it helps....

the answer is A) y= -10.8

Solve this problem, and identify the percent, amount and base.
What percent of 50 is 20

Answers

Answer: 40%

Step-by-step explanation: I took the test

R/3 =16 what is R ??????????????????

Answers

Answer:

48

Step-by-step explanation:

48/3=16 i did 3*16 to get 48  so do the opposite operation

hope this helps

Please help me out fast. And make sure to Write and solve an inequality. Or it isn't right.

Answers

Answer:

addition or multiplication?

Step-by-step explanation:

Answer:

6x + 45 > 240

Step-by-step explanation:

I will give in a min. You need it urgently right. So you can have the answer for now!!!

Plz help me, anyone plz

Answers

35! hope this helps you
35 is the answer ....

(-2) x (-4.5)=? What’s the answer

Answers

Step-by-step explanation:

Given

(-2) * ( - 4.5)

= 9

Hope it will help :)

What is the distance between the points (4, 5) and (-3, 5)

Answers

Answer:

Seven

Step-by-step explanation:

the difference between 4 and -3 is seven.

I believe the distance should be 7

how can I solve this problem ​

Answers

Answer:

50

Step-by-step explanation:

the angle that they want you to find is complementary to the angle that equals 40. Complementary means they will add up to equal 90. 90-40=50 so ADB = 50

What is the simplest form of 15/60

Answers

Answer:

1/4

Step-by-step explanation:

Answer:

15/60 simplified equals:

1/4

Step-by-step explanation:

In the fraction 15/60, 15 is the numerator and 60 is the denominator.

When you ask "What is 15/60 simplified?", we assume you want to know how to simplify the numerator and denominator to their smallest values, while still keeping the same value of the fraction.

We do this by first finding the greatest common factor of 15 and 60, which is 15.

Then, we divide both 15 and 60 by the greatest common factor to get the following simplified fraction:

1/4

What percent of this grid is shaded

Answers

Answer:

The 4th one cuz it’s a percent

Step-by-step explanation:

100 POINTS
This table shows the value of a computer, based on its age.



Age of Computer
(years) Value
0
$550
1 $500
2
$425
3
$300
4
$275
5
$225
What is the association between the age and the value of the computer?
A.
There is a negative linear association.

B.
There is a positive linear association.

C.
There is a nonlinear association.

D.
There is no association.

Answers

B) There is a positive linear association. If I am wrong I am so so sorry have a great day.

Jeremy wants to read 100 more books by the end of the school year. There are 36 weeks of school. How many books does Jeremy need to read each week?

Answers

Answer: 2.777777778 or 2.7 or rounded to 3.0

Step-by-step explanation: 100 • 36 = 2.7 or 3.0

Answer:

I am not 100 % but I think it is 2 books a week

Step-by-step explanation:

100/36

Brainlest??

HELP I NEED HELP ASAP

The side length of a square is represented by the expression 10x-6 centimeters. The side length of the square is doubled and then reduced by 4 centimeters to create the side length of a new square. Which expression represents the area of the new square?

Answers

Answer:

D) 400x²-640x+256

Step-by-step explanation:

2(10x-6)-4=20x-16

(20x-16)(20x-16)=

400x²-640x+256

the length of the unknown leg is?

Answers

Answer:

a = 10

Step-by-step explanation:

Using Pythagoras' identity in the right triangle.

The square on the hypotenuse is qual to the sum of the squares on the other 2 sides, that is

a² + 24² = 26²

a² + 576 = 676 ( subtract 576 from both sides )

a² = 100 ( take the square root of both sides )

a = [tex]\sqrt{100}[/tex] = 10

Megan has 40$ in her wallet. She wants to buy a dress. The regular price of the dress is 45$. The dress is sold at a discount of 10%. Does Megan have enough money to buy the dress?

Answers

Answer:

yes

Step-by-step explanation:

Answer:

No because all you have to do is 45-4.5= 40.5

Determine if 7x – 4 and 2x + 1 are factors of
k (2) = 7x4 – 423

Answers

it’s not the first question = 3(3x-1) and the second one = -395 not equivalent

Your father, at the age of 40, purchased a Whole Life insurance policy with a face value of $80,210. The permanent insurance amount for a Whole Life insurance policy for a healthy 40-year-old make is $27.17. Your father decided to terminate the policy at the age of 50. Use the following table to determine the cash value of the policy upon cancellation.
Please select the best answer from the choices provided
A. $561.47
B. $1,684.41
C. $3,609.45
D. $5.213.65

Answer:
D). $5,213.65

Answers

D is the answer to this

Answer:

D) 5,213.65

Step-by-step explanation:

The question.

Find the scale factor going from rectangle ABCD to rectangle UVWX.

Answers

Answer:

its 7

Step-by-step explanation:

7

please help and explain why, thank you

Answers

Answer:

Good morning all friend

1. Fatima draws a
Quadrilateral in the
coordinate plane with
the conditions shown.

Answers

Just plot it and solve by counting

Which is the solution to the system below x=-4y+10 x=2y-14

Answers

Answer:

too many equal signs

Step-by-step explanation:

It would have to be x-2 -10

Two planes leave an airport at the same​ time, one flying​ east, the other flying west. The eastbound plane travels 130 mph slower. They are 3850 mi apart after 5 hr. Find the speed of each plane.

Answers

Answer:

Speed of the slower plane = 320 mph

Speed of the faster plane = 450 mph

Step-by-step explanation:

Let the speed of the slower plane = x mph

And the speed of the faster plane = y mph

Difference in their speeds = 130 mph

y - x = 130 --------(1)

Formula for the distance traveled = Speed × time

Distance traveled by the faster plane in 5 hours = 5y miles

Distance traveled by the slower plane in 5 hours = 5x miles

Total distance traveled by both the planes in 5 hours = 5(x + y) miles

5(x + y) = 3850

x + y = 770 ---------(2)

By adding equations (1) and (2)

2y = 900

y = 450 mph

From equation (2)

x = 770 - 450

x = 320 mph

The proof for the power property of logarithms appears in the table with an expression missing. Which expression is missing from the proof?

Answers

Hence option b is correct.

What is logarithmic function?

A function of the form is a logarithmic function. "y equals the log of x, base b" or "y equals the log, base b, of x" is how it's written. x > 0 and b > 0, b 1 in both versions. y is not restricted in any way.

How to solve?

Given image shows different types of logarithmic functions used in proof , but [tex]log b^{x-y}[/tex] is not used

Hence option b is correct.

Learn more about logarithmic functions  https://brainly.com/question/1695836

#SPJ2

Question 3 what is the answer

Answers

The answer is A because since the balance is 325 and you are trying to find what it was before you deposited
The answer would have to be A

I really need this one answered, I just can’t figure it out.

Answers

25.2 divided by 4.2 =6

What is the formula for a proportional relationship

Answers

Answer:

y=kx

Step-by-step explanation:

HELP PLZZZzzzzzzzzzzzzz

Answers

Answer:

D.

Step-by-step explanation:

i hope im right

A new television is marked down $75. If this is a 15% decrease what is the sale price

Answers

the sale price would be 63.75
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