is [tex]\sqrt{20.25}[/tex] rational or irrational?

Answers

Answer 1

Answer:

Rational

Step-by-step explanation:

Here, we want to check if the given value is rational or irrational

If a certain number is a non -perfect square, and it is placed inside the root, then it is a surd and thus termed irrational

However, the number 20.25 is a perfect square. in fact the square root is 4.5

This mean the expression is not irrational


Related Questions

please help i really need help
thanks

Answers

Answer:

B. 31.62

Step-by-step explanation:

First, find the distance of the line using the distance formula, [tex]d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1} )^2 }[/tex]. Plug the two points (-1,0) and (5,2) into the formula and solve. This gives you 6.32, then this is only one line of a pentagon, which has 5 sides, so you need to multiply. Since you are finding the perimeter, which is all of the sides added together, multiply the one side by 5. 6.32*5=31.62.

How can you use the properties of equality to write equivalent equations?

Answers

If two expressions are equal to each other, and you add the same value to both sides of the equation, the equation will remain equal. When you solve an equation, you find the value of the variable that makes the equation true. In order to solve the equation, you isolate the variable.

a = b and c ≠0, then a c = a c . Another example Consider the equation 12 = 12. Divide both sides by 4.

Find the value of X.

Answers

To find the value of x we first need to find the missing angle in the triangle.

To do that we are gonna add the angles we already have.

64 + 45 = 109

Angles in a triangle measures 180 so to get the missing angle we are gonna subtract 109 from 180

180 - 109 = 71 deg

The missing angle in the triangle is 71 deg


Angles on a straight line adds up to 10 so to find x we are gonna subtract 71 from 180

180 - 71 = 109 degrees

Therefore x is 109 degrees.

hey sorry for stealing this answer but r u guys still online on pad. let? I lost my password so thats why i wasnt able to get online that much

write 3.25x10^4 as an ordinary number

Answers

Answer:

32,500 is the answer.......

32500 (PLEASE GIVE ME BRAINLIEST IM BEGGING)

A person Rents a canoe for 4 Hours and paid a total of $36. of Renting a canoe costs am initial fee of the $2 Plus an additional amount for each hour the canoe is rented,which graph represents the total cost,y, in dollars of renting a canoe for x hours

Answers

Answer:

Additional fee or hour = $8.5

y = $2 + 8.5x

Step-by-step explanation:

Given that :

Total paid = $36

Number of hours = 4

Initial rental fee = $2

Additional fee per hour = a

Total amount = initial rental fee + additional fee per hour * number of hours

36 = 2 + 4a

36 - 2 = 4a

34 = 4a

a = 8.5

Hourly fee = $8.5

Therefore, the cost formula

y = initial fee + regular fee * number of hours

y = $2 + 8.5x

-3x + 2y = 8
Help pleases and thank you ...

Answers

Second one. The points should be at (-4,5) and the slope should be 3/2

Which number would make this number sentence true? (3 + 2) x ? = 5 x 8

Answers

Answer:

8

Step-by-step explanation:

3+2=5

5 x 8 = 5 x 8

Answer:

8

Step-by-step explanation:

2 numbers are in perenticies so do them first 3+2 = 5 Then wait dont do nothing with that do 5x8 to get what to need to get 5 x? to witch is

40 so 8 would be the correct answer

a) Solve 3(x – 5) = 18

Answers

the answer is x=11
step by step explanation:

Answer:

x = 11

Step-by-step explanation:

3(x-5) = 18

Step one: Distrubute 3 to the numbers in the parenthesis.

3x - 15 = 18

Step two: Add 15 on both sides

3x = 33

Step three: Divide by 3 on both sides

x = 11

Which angels are corresponding?

Answers

Answer:

8 and 16

Step-by-step explanation:

8 and 16 are corresponding angles

hope this helps....

Explain how you know these two figures are similar

Answers

Answer:

Firstly, we know that both are parallelograms, if you rotate a little, and both have the same angles in the parallelogram.

they have 2 pairs of the same angles, so they’re similar

what is the value of power 0f a if a in 5 ^ a = 1 over 125​

Answers

Answer:

㏑(5a)=㏑(1)

Expand ㏑(5a) by moving a outside the logarithm.

.................................

a㏑(5)=㏑(1)

a=0/㏑(5) => a=0

Step-by-step explanation:

convert 174% to a decimal
Please answer fast​

Answers

Answer:

1.74

Step-by-step explanation:

PLZ HELP I don't get this y-5=1/3(x+12)

Answers

Answer:

If solving for slope

y = 1 /3 x + 9

for slope would be y=1/3x+9

someone pls help me with math

Answers

Answer:

4x/5-2

Step-by-step explanation:

Help me please I don't know how to solve this problem.

Answers

I believe it’s A. 12 buhhtt idddkkk I prolly did it wrong srryyyy. Thts js wht I think

What is 3/6 of 734882????????????

Answers

Answer:

367441

Step-by-step explanation:

Answer:

367441

Step-by-step explanation:

Hope this helps! <3

#1 *
1 point
Captionless Image

Answers

alrighty then but yyyyy

NEED HELP ASAP ILL GIVE BRAINLIST RN

For ΔABC, the measure in degrees of angles A, B, and C are 36, 3x, and 48 respectively. What is the value of x?
A
2

B
32

C
93

D
96

Answers

Answer:

B. 32

Step-by-step explanation:

[tex]\angle A + \angle B + \angle C = 180\\36 + 3x + 48 = 180 => 3x = 96 => x = 32[/tex]

Answer:

bgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbgbg

Step-by-step explanation:

KEVI is an isosceles trapezoid.

If KN 10, NV = x, and IE = 2x+6,

what is the length of KV?

Answers

Answer:

14

Step-by-step explanation:

A trapezoid is a quadrilateral (has four sides and four angles) with a pair of opposite parallel sides. The pair of opposite parallel side is known as the base.

An isosceles trapezoid is a trapezoid with equal legs. The diagonals are also equal and both the upper and lower base angles are congruent.

From the question:

KV = IE = 2x + 6 (diagonals of a trapezoid are congruent)

From line segment addition postulate:

KV = KN + NV

substituting:

2x + 6 = 10 + x

2x + 6 - x = 10

x + 6 = 10

x = 10 - 6

x = 4

KV = 2x + 6

substituting x = 4:

KV = 2(4) + 6

KV = 14

Please help please!!

Answers

The answer is 15 which is letter D
The answer is D. Which is 15

Can anyone help me with this question please .

Answers

carrots are a dark blue and taste like foot

Answer: y=-(5/4)x+5

Step-by-step explanation:

The parent function of a linear line is y=mx+b where m is the slope and b is the y intercept so:

Y=-(5/4)x+5

Evaluate 3x + 5 when x = 8

Answers

Answer:

29

Step-by-step explanation:

3x8 = 24 + 5 is 29

Substitute the value of the variable into the equation and simplify

Answer: 29

Jerome deposits $3,700 in a certificate of deposit that pays 1.8% interest, compounded
annually. How much interest does Jerome earn in 1 year?

Answers

Answer:

$66.60

Step-by-step explanation:

Find out how much money Jerome earns from the 1.8% interest.

100% = 3700

1% = 3700 ÷ 100 = 37

1.8% = 37 x 1.8 = 66.60

(Final answer)

Factor 28+56t+28w, to identify the equivalent expressions.

Answers

Answer:

28(1 + 2t +w)

Step-by-step explanation:

28 + 56t + 28w.

Factor out a 28 from the expression.

28(1 + 2t + w)

What is the volume of the following rectangular prism? Plz help

Answers

theres no image attached

Answer:

The formula for finding the volume of a rectangular prism is the following: Volume = Length * Height *

Step-by-step explanation:

Which expression is equivalent to ?

Answers

Answer:

2x Y,

Step-by-step explanation:

Answer: 2x^10y^12

Step-by-step explanation:

the second one.

60/30 = 2

x^20 - x^10 = x^10

y^24 - y^12 = y^12

PLZ HELP PLZ I NEED IT QUICKLY

Answers

The answer is 31 degrees

A coastal geologist estimates that a certain country's beaches are
eroding at a rate of 1.5 feet per year. According to the geologist's estimate,
how long will it take, in years, for the country's beaches to erode by 21 feet?
A. 14 years
B. 31.5 years
C. 28 years
D. 16 years​

Answers

21/1.5=14

14 years to erode

standard form

-3 time 2 time A +5(-7b)+(12 time c time 4)

Answers

Answer:

-6A - 35b + 48c

hope it's helpful ❤❤❤❤❤❤❤

:)

THANK YOU.

Isaac makes china mugs with names painted on them. He charges a fixed fee for the mug, together with a fixed charge for each letter in the name. Penelope buys a mug for each of her children, Alexander and Lucia. She pays $12.60 for Alexander’s mug and $9.40 for Lucia’s mug. How much would Penelope have to pay for a mug with her own name on it?

Answers

Answer:

Not completely sure, and I know its late but for the other people that look at this, 11.80$

Step-by-step explanation:

I found how many more letters Alexander had over Lucia, then when I got 4 divided it in-between 12.60 - 9.40 (3.20)  I got 0.8. knowing the letter cost i got the initial fee for the mug (5.40) and added 8x0.8 to it, resulting in my answer 11.80$

Penelope has to pay $11.8 for a mug with her own name on it.

Number of letters in Alexander's name = 9

Number of letters in Lucia's name =5

The Difference in the number of letters in both the names

= 9-5

=4 letters

Alexander pays =  $12.60

Lucia pays = $9.40

Difference in payments = 12.60-9.40 = $3.20

It means charge for 4 letters = $3.20

So, charge for 1 letter = $0.80

Number of letters in Penelope's name = 8

So, Penelope will pay = 8*0.80 +fixed fee for the mug

= $6.4 +fixed fee for the mug

What will be the fixed fee for the mug?

The Fixed fee for the mug will be the payment done by Penelope for either Alexander or Lucia minus the charge for each word in the word Alexander or Lucia respectively.

The Fixed fee for the mug = $9.40 - charge for each word in the word "Lucia"

The Fixed fee for the mug = 9.40 - 5*0.80 = $5.40

So, Penelope will pay = 6.4 +5.4 =$11.8

Therefore, Penelope has to pay $11.8 for a mug with her own name on it.

To get more about such problems visit:

https://brainly.com/question/14323743

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