Show that (4-√3)(4+√3)/√13 simplifies to root 13

Answers

Answer 1
13 is a prime number, there is no simpler form for its square root .

Related Questions

Write 2.01 times 10 to the 5th power in standard form.

Answers

Answer:

201000

Step-by-step explanation:

Step-by-step explanation:

2.01 × 10^5. That's the answer

find the distance between each pair of points: (-2, -1) and (3, 11)​

Answers

Use the distance formula ! Hope this helped :)

which is the first step in simplifying the expression 2(x + 3) + 5?

A. 2x + 2(3) + 5
B. 2x + 3 + 5
C. 2 + x + 3 + 5
D. 2(5) + x + 3​

Answers

I believe the answer would be B

help please thank you.

Answers

Answer:

n=3.478

Step-by-step explanation:

n+0=n

n=3.478

Answer:

n = 3.478

Step-by-step explanation:

the number 0.3333 repeats forever therefore its irrational?

Answers

yes, because it’s never ending i’m pretty sure

if sugarless gum sells at 2 pieces for $.25, then what would 10 pieces cost?

Answers

Answer:

My answer is 10 pieces = $1.25

Step-by-step explanation:

If 2 pieces cost $.25 then you need to multiply $.25/2, because $.25 is for two pieces. So, when you divide that you get $0.125 so then take the $0.125 and multiply by 10 to get $1.25.

ALTERNATE SOLUTION:

If 2 pieces cost $.25 then you need to multiply $.25 x 5, because $.25 is for 2 pieces. So, when you multiply that you get $1.25.

The cost of 10 pieces of sugarless gum if 2 pieces cost $.25 is $1.25

Cost of items

Given:

Cost of 2 pieces = $.25cost of 10 pieces = $x

Ratio of pieces to cost

2 : .25 = 10 : x

2 / .25 = 10 / x

cross product

2 × x = .25 × 10

2x = 2.5

divide both sides by 2

x = 2.5/2

x = $1.25

Therefore, the cost of 10 pieces of sugarless gum is $1.25

Learn more about cost:

https://brainly.com/question/19104371

1 point
4. Find the length of the missing side. Round your answer to the nearest
tenth if needed. *
24
30
Your answer

Answers

The answer to this Is 38.4

Mr. Smith is making $25 and hour before his boss gives him a 10% raise. How much will his new hourly wage be?

$25.10
$27.50
$50.00
$26.50

Answers

Answer:

DVvddhsajmsmzmzmxmxmx

Step-by-step explanation:

2. What is 0.03249 in scientific notation?
3.249 X 10^-1
3.249 X 10^-2
O 3.25 x 10^-2
O 3.25 x 10^-3
3. What number does 715 x 10^3 in

Answers

Answer:

3.249 X 10^-2

Step-by-step explanation:

2.

[tex] \huge 0.03249 = 3.249 \times {10}^{ - 2} \\ [/tex]

3.

[tex]\huge 715 \times {10}^{3} = 715000 \\ [/tex]

If a = b then a - c = b - c. This is the ________ property of equality.

Answers

Answer:

this property states that if quantity b, then b equals a. Another property that can be explained by this is the transitive property of equality. It tells us that if a quantity a equals quantity b, and b equals the quantity, c, then a and c are equal as well.

Hey there!

ANSWER: transitive

FILL IN THE BLANK:

If a = b then a - c = b - c. This is the transitive property of equality.

Hope this helps!

[tex]-TestedHyperr[/tex]

convert 36,400sec in day​

Answers

Step-by-step explanation:

36400 sec = 0.421 day

I think this should be the answer

Factor 24x-28 completely

Answers

Answer:

4(6x-7)

Step-by-step explanation:

5,250 as scientific notation

Answers

Answer:5.25 x 10 power of 3

Step-by-step explanation:

[tex]\text{Hey there!}[/tex]

[tex]\text{5.250 as a scientific notation}[/tex]

[tex]\bf{The\ answer\ is:}[/tex][tex]\boxed{\bf{5.25 \times10^3}}}}[/tex]

[tex]\text{Because, we had to move your decimal approximately 3 placecs to the left}[/tex]

[tex]\rightarrow\tex{= 5250. }[/tex]

[tex]\boxed{\text{That's how we know the answer is: \bf{\boxed{5.25 \times10^3}}}}\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{LoveYourselfFirst:)}[/tex]

Evaluate 9f when f = 7. a 54 b 63 c 112 d 16

Answers

Answer:

Your answer would be B.63

Step-by-step explanation:

Because when 7 is substituted for F then you will get 9(7) which equals 63

Use the given endpoint Rand midpoint M of RSto find the coordinates of the other endpoint.
R(5,2), M (6,4)

Answers

Answer:

Step-by-step explanation:

(x+5)/2 = 6

x + 5 = 12

x = 7

(y + 2)/2= 4

y + 2 = 8

y = 6

(7, 6)

The midpoint of M of ST has coordinates (1,6). Point T has coordinates (0, 4).

Answers

Answer:

plot the coordinates (1,6) and (0,4) on the graph shown below

Step-by-step explanation:

Find the equation of the line shown. (y=mx+c)

Answers

Answer:

Step-by-step explanation:

Let's solve for c.

y=mx+c

Step 1: Flip the equation.

mx+c=y

Step 2: Add -mx to both sides.

mx+c+−mx=y+−mx

c=−mx+y

hey so i have an easy question (so the mods don't get mad for me giving away points)
What's 15x21?
also
what's a cool thing you like to do that's a part of your country's culture?

Answers

315 and celebrate 4th of july

Answer:315

Step-by-step explanation:

what is 1/6 2/6 3/6 4/6 and 5/6 as decimals?

Answers

Answer:

[tex]\frac{1}{6}[/tex] = .167

[tex]\frac{2}{6}[/tex] = .333

[tex]\frac{3}{6}[/tex] = .5

[tex]\frac{4}{6}[/tex] = .667

[tex]\frac{5}{6}[/tex] =.833

Step-by-step explanation:

Hope this helps !

What are the solutions of 8x2 = 6 + 22x? Check all of the boxes that apply. x = -3 x = -1/4 x = 3 x = 6

Answers

Answer:

x = -1/4

x = 3

The solutions of the given quadratic equation 8x² = 6 + 22x will be x = -1/4 and x = 3 thus, option (B) and (C) is correct.

What is a quadratic equation?

An algebraic equation of the second degree in x is a quadratic equation. The quadratic equation is written as ax2 + bx + c = 0, where x is the variable, and a must not be zero.

For example, 3x² + 6x + 8 = 0 here x has the highest term as 2 and the coefficient of x² is not zero.

As per the given quadratic equation,

8x² = 6 + 22x

The roots must satisfy the above equation,

8(-3)² = 6 + 22(3)

72 = 72

And,

8(-1/4)² = 6 + 22(-1/4)

8/16 = 6 - 11/2

1/2 = 1/2

Hence "The solutions of the given quadratic equation 8x² = 6 + 22x will be x = -1/4 and x = 3"

For more about the quadratic equation,

https://brainly.com/question/17177510

#SPJ6

Ryan invested $20,000 into a low interest savings account with a rate of 0.02%. At the
end of 15 months, how much money did he make?

Answers

Answer:

Step-by-step explanation:

$2.66

given f(x)=3/4x and f(x) = 75 solve for x

Answers

Answer:

x=100

Step-by-step explanation:

75=3/4x

4/3 × 75 = x

4 × 75 = 300

300/3= 100

100(3/4) = 75

x = 100

Drag and drop the correct notation into each box for every description of the interval shown on the
number line.
0
1
2
3
4
תU
5
6
7
8
Inequality:
x>3
X<3
{x | x > 3)
{x | x <3}
Set notation:
[3, +)
(3, +00)
Interval notation:
?

Answers

Answer:

Inequality: [tex]x \geq\ 3[/tex]

Set Notation: [tex]\{x | x \geq\ 3\}[/tex]

Interval: [tex][3, +oo)[/tex]

Step-by-step explanation:

Given

The Attached Number Line

Solving (a): The Inequality

i. On the number line, we notice that a thick line starts at number 3 and points to the right

ii. Also, there is a closed circle on number 3.

(i) & (ii) indicates that [tex]x \geq\ 3[/tex]

Solving (b): Set Notation

The set notation that indicates [tex]x \geq\ 3[/tex] is

[tex]\{x | x \geq\ 3\}[/tex]

Solving (c): The interval notation

The inequality [tex]x \geq\ 3[/tex] implies that x starts from 3 and moves towards +infinity

The means that 3 is inclusive of the inequality

Hence:

The interval notation is [tex][3, +oo)[/tex]

Plot the graph y=3x from x=-1 from x=2

Answers

Answer:

(-1,-3) and (2,6)

Step-by-step explanation:

Plug x (x value) into equation (outputs y value)

(x value, y value) which gives coordinates

f (x) = -x + 7, evaluate f (-8).

Answers

Answer:

f (8) =15

Step-by-step explanation:

Replace the x with -8

f (-8) = - (-8) + 7

Remember there is an invisible 1 In front of the parentheses.

-1 x -8 = 8

8 + 7 = 15

Determine if x = 1 is the solution to this linear equation. 3x - 6(5x + 5) = 9x + 6 Is x = 1 the solution? No. When 1 is substituted for the variable, the result is a true statement. No. When 1 is substituted for the variable, the result is a false statement. Yes. When 1 is substituted for the variable, the result is a true statement. Yes. When 1 is substituted for the variable, the result is a false statement.

Answers

Answer: No. When 1 is substituted for the variable, the result is a false statement

Step-by-step explanation:

3x - 6(5x + 5) = 9x + 6

3x - 30x - 30 = 9x + 6

-27x -30 = 9x +6

-27x - 9x = 30 +6

-36x = 36

x = -1.

Substitute with x = -1 :

-3 - 6(-5 + 5) = -9 +6

-3 -30 + 30 = -3

-3 = -3

Therefore, the correct option is:

No. When 1 is substituted for the variable, the result is a false statement

Answer:

(B.)No. When 1 is substituted for the variable, the result is a false statement

Step-by-step explanation:

Did it on Edge.

im so alone. jesus im so alone

Answers

Answer:

HA HA HA!!!

Step-by-step explanation:

I am sorry that you feel that way. Maby you should go listento music it help me when I was depresed. Not cristen music though. I love the meem.

helpp meeeee!!!!!!!!!!!!

Answers

So g(x) just means the function of the x term as the original value of this is 2x+1 then this is your starting point, when it says -2g(x) all you have to do is do the same to the other side of the equation so just do (2x+1) x -2 this would be -4x-2 as the signs would change due to the negative 2 as a positive and a negative make a negative so the answer is the second one -2g(x) = -4x-2
Hope this helps x

Jeremy and his friends ate 5/8 of a pie. If the pie was cut into eight pieces, what fraction of the original pie was left over?

Answers

Answer:

3/8

Step-by-step explanation:

8/8-5/8=3/8

Answer:

3/8

Step-by-step explanation:

Because 3 plus five equals 8

A small business has three employees who make cheerleader bows. Brielle earns $11 per hour and decorates 12 bows each
hour on average. Tara earns $10 per hour and decorates 11 bows each hour on average. Mandy was recently employed and
earns $8 per hour. She decorates 7 bows each hour on average. In one week, the employees work for 96 hours, decorated
1016 bows and earned a total of $960 in wages How many hours did Brielle work?

Answers

Answer:40

Step-by-step explanation:

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