Jacque estimates the square root of 125 in the following way:
√125=5√25=5∙5=25
Explain why his reasoning is incorrect.
Approximate the square root of 125 using the perfect squares approximation method. Your answer should be a mixed fraction. Make sure to show your work.
Note: Please review 5.05 if you need a place to start.
Answer:

Answers

Answer 1

Answer:

5

Step-by-step explanation:

√125/5 = √25 since 125/5 = 25√25 = 5Hopes this helps. Mark as brainlest plz!

Related Questions

Help me with this please!!!!!!!!

Answers

d = 12.25

Step-by-step explanation:

d = √(x2 - x1)^2 + (y2 - y1)^2 + (z2 - z1)^2

P1(0, 0, 0) P2(-1, 7, -10)

Substitute the values in the above equation and you will get

d = √(-1 - 0)^2 + (7 - 0)^2 + (-10 - 0)^2

= √(1 + 49 + 100)

= √150

= 12.25

Answer:

12.25

Step-by-step explanation:

Miguel walked Ask Your Teacher mile to the library and then Ask Your Teacher mile to the post office. How can he write Ask Your Teacher and Ask Your Teacher as a pair of fractions with a common denominator?

Answers

Answer:

[tex](\frac{5}{10},\frac{6}{10})[/tex]

Step-by-step explanation:

Given

[tex]Library \to \frac{1}{2}[/tex]

[tex]Post\ Office \to \frac{3}{5}[/tex]

See comment for complete question

Required

Write as a common denominator

Take the denominator of both fractions

[tex]2 \to[/tex]

[tex]5 \to[/tex]

Calculate the LCM

[tex]2 \to 1 * 2[/tex]

[tex]5 \to 1 * 5[/tex]

[tex]LCM = 1 * 2 * 5[/tex]

[tex]LCM = 10[/tex]

Multiply the numerator and the denominator of both fractions by 10

Simplify each to ensure a denominator of 10

[tex]\frac{1}{2} \to \frac{1}{2} * \frac{10}{10} \to \frac{1}{1} * \frac{5}{10} \to \frac{5}{10}[/tex]

[tex]\frac{3}{5} \to \frac{3}{5} * \frac{10}{10} \to \frac{3}{1} * \frac{2}{10} \to \frac{6}{10}[/tex]

Hence, the pair is:

[tex](\frac{5}{10},\frac{6}{10})[/tex]

???????????????….?????…..?????????

Answers

Answer:

C

Step-by-step explanation:

Sine equals opposite over hypotenuse, which would be y/19. To find y multiply by 19 to get y=19sin33°

Correct answer: 19cos33°

The values given are 19 (hypotenuse), y (adjacent side), and the angle (33°)

The formula for cosine is adjacent side divided by the hypotenuse

After plugging in the values given into the formula cosx=ad/h, we have:

Cos33°=y/19 Here, we need to isolate the Y

And, the final result is
19Cos33°= Y

So, the correct answer is the letter D

What equation can I
use to find 42×51

Answers

Answer:

2142

Step-by-step explanation:

1. 10x +14 y+8 37 27 +3 4y-19 X+77.​

Answers

Answer:

Step-by-step explanation:

The area of a square garden is 64 m2. How long is each side of the
garden?

Answers

Answer:

hope this will help you more...best of luck

HELP! THIS IS DUE TODAY, and i will mark brainlest!

Answers

Answer:

Your answer is the 4th answer.

Step-by-step explanation:

In order for something to be a function, each output can only have one input. Because the output 4 is listed twice, this is not a function.

Answer:

the third one

Step-by-step explanation:

it would have to y values for the one x value 3 so it would not pass the pencil line test

4*
Which property of real numbers is illustrated below?
12(x + 4) =12x + 48
A.
Distributive property of multiplication
B. Distributive property of addition
C. Associative property of multiplication
D. Associative property of addition​

Answers

A: Distributive property of multiplication

Answer

Step-by-step explanation:

Please help on this I am confused

Answers

Answer:

400

Step-by-step explanation:

okay so 400 because you find the height and the base sides and you get the answer, sorry if incorrect

someone please helppp

Answers

Answer:

D. 10cm

Step-by-step explanation:

Because 20-10=10

Pls mark brainliest

I would say ten cm but I’m not totally sure

Which fraction has a repeating decimal as its decimal expansion?

Answers

Answer:

3/11

Step-by-step explanation:

3 divided by 11 = 0.27272727272

I NEED HELP ASAP this question is worth 10 points

Answers

Answer:

X       5         10        15         20          15

Y      25        50        75        100       125

Y = 5X

k = 5

option C

Expression 9 x, if x=5

Answers

Answer:

45

Step-by-step explanation:

9x

Replace x with 5

9*5

45

Answer:

45

Step-by-step explanation:

9x5 equals 45

For you guys not for me- The orca weighs 4 tons. How many pounds is that

Answers

Answer:

8,000 pounds

Step-by-step explanation:

1 US ton = 2,000 pounds

[tex]\huge{\textbf{\textsf{{\color{navy}{An}}{\purple{sw}}{\pink{er}} {\color{pink}{:}}}}}[/tex]

8000 pounds.

1 ton is 2000 pounds

4 tons = 8000 pounds

Thanks Hope it helps.

Mr porter had eight parties at her house last year the number of guest at each party is shown below 15,19,9,27,21,21,10,14

Answers

Answer:

17

Step-by-step explanation:

Complete question

Mr porter had eight parties at her house last year the number of guests at each party is shown below 15,19,9,27,21,21,10,14. What is the median numbers of those parties

The median value is the value at the middle after rearrangement

On rearranging in ascending order

9, 10, 14, (15, 19), 21, 21, 27

Since there are two values in the middle, we will take the average of the numbers

Median = 15+19/2

Median = 34/2

Median = 17

Hence the median value is 17

The students in Mrs. Langford‘s fourth and sixth. Algebra class took the same test results of the scores are shown in the following table based on this data which class has the largest friend of test scores explain

Answers

Step-by-step explanation:

bdhdvdbdbdnduehbydgddcdjsogd

Simone is designing a piece of artwork for a hotel. The artwork is in the shape of a square pyramid as shown. She wants to cover the pyramid with decorative glass. Use a net to find how many square feet of glass needs to cover the entire pyramid.

HELP ME!!!! I WILL GIVE YOU 50 POINTS!!!!!!!

Answers

Answer:

36.8 ft

Step-by-step explanation:

Answer:

63.21

Step-by-step explanation:


Using the line of best fit for the above data, what is the approximate difference between the actual value for x = 10 and the predicted value for x= 10?
A. 1.60
B. 1.65
C. 1.70
D. 1.75

Answers

Answer:

I dont know

Step-by-step explanation:

please helppp plesseee

Answers

Answer:

[tex]y = \sqrt{7^{2} + 3^{2} }[/tex]

D. 7.6

Step-by-step explanation:

y² = 7² + 3²

y² = 49 + 9

y² = 58

y = (58)^½

y = Rationalize(7.61577310586) ~ 7.6

A cell phone company advertises that their data plan costs "0.02 cents" for every kilobyte of data. Corinne used 1000 kilobytes of data. Using the advertised price, determine how much Corinne owes on the data plan.

Answers

0.02 x 1000 = 20, which is your answer

Pls anyoneee I neeed help

Answers

Answer:  11 goes in the blank in the denominator

The probability as a fraction is 5/11

============================================================

Explanation:

There are 250 red and 300 blue. This gives 250+300 = 550 total marbles.

Divide the number of red (250) over the number total (550) to get the fraction 250/550. Reduce this fraction by dividing both parts by 50. Note how 50 is the GCF of 250 and 550.

Let A = 250 and B = 550.

A/GCF = 250/GCF = 250/50 = 5 which is the numerator already written for usB/GCF = 550/50 = 11 will go in the blank in the denominator

The fraction A/B = 250/550 fully reduces to 5/11.

We can think of it like saying "There are 5 red marbles out of 11 total".

5/11 = 0.4545 = 45.45% approximately

Solve the varible :
1: -5z + 8 = 33
2: -4b - 7 = 37
3: 8x + (-9) = 45
4: 6c + 7 = -29

Answers

Answer:

1: -5z + 8 = 33

-5z=33-8

z=-25/5

z=-5

2: -4b - 7 = 37

-4b=37+7

b=-42/4

b=21/7

3: 8x + (-9) = 45

8x=45+9

x=54/8

x=27/4

4: 6c + 7 = -29

6c=-29-7

c=-36/6

c=-6

HELP
evaluate the function: f(x)=-x^2-x+3
f(-4)
show steps please

Answers

put -4 where the x is

so

-4^2-(-4)+3

16 + 4 + 3

23 is the answer

brainliest goes to whoever answers the question correctly also if you want more points answer my other questions

Answers

Answer:

function is non linear and decreasing

Step-by-step explanation:

between x=4 and x=6 the line has a negative slope, meaning that it is decreasing, and it can't be a linear function because a linear function a function whose graph is a straight line.

hope this helps!

Find the surface area of the composite figure

Answers

solution given:

For Cuboid

length[l]=11mm

breadth [b]=9mm

height[h]=6mm

For semi cylinder

height[H]=11mm

radius[r]=[tex] \frac{9}{2}=4.5mm[/tex]

Now

Totalsurface area=2(lb+bh+lh)+½(2πr(r+H))-l*b[/tex]

:2(11*9+9*6+11*6)+22/7*4.5(4.5+11)-11*9

:438+219.2-99

:558.2mm²

Here area of base is subtracted as it is not included.

Total surface area of composite figure is :558.2mm².

Answer:

[tex]\displaystyle SA_{Total} = \frac{279 \pi}{4} + 339 \ mm^2[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

BracketsParenthesisExponentsMultiplicationDivisionAdditionSubtractionLeft to Right

Algebra I

Factoring

Geometry

Shapes

Congruency

Congruent sides and lengths

Radius Formula: [tex]\displaystyle r = \frac{d}{2}[/tex]

d is diameter

Surface Area of a Rectangular Prism Formula: SA = 2(wl + hl + hw)

w is widthl is lengthh is height

Surface Area of a Cylinder Formula: SA = 2πrh + 2πr²

r is radiush is height

Step-by-step explanation:

Step 1: Define

Identify

[Rectangular Prism] w = 9 mm

[Rectangular Prism] l = 11 mm

[Rectangular Prism] h = 6 mm

[Cylinder] d = 9 mm

[Cylinder] h = 11 mm

Step 2: Derive

Modify Surface Area equations and combine

[Surface Area of a Cylinder Formula] Factor:                                                 [tex]\displaystyle SA = 2(\pi rh + \pi r^2)[/tex][Surface Area of a Cylinder Formula] Divide by 2 [Semi-Cylinder]:              [tex]\displaystyle SA = \pi rh + \pi r^2[/tex][Surface Area of a Semi-Cylinder] Substitute in r [Radius Formula]:             [tex]\displaystyle SA = \pi (\frac{d}{2})h + \pi (\frac{d}{2})^2[/tex][Surface Area of a Semi-Cylinder] Evaluate exponents:                                [tex]\displaystyle SA = \pi (\frac{d}{2})h + \pi (\frac{d^2}{4})[/tex][Surface Area of a Semi-Cylinder] Multiply:                                                    [tex]\displaystyle SA = \frac{\pi dh}{2} + \frac{\pi d^2}{4}[/tex][Surface Area of a Rectangular Prism] Remove top:                                      [tex]\displaystyle SA = 2(wh + lh) + lw[/tex]Combine Surface Area equations:                                                                  [tex]\displaystyle SA_{Total} = \frac{\pi dh}{2} + \frac{\pi d^2}{4} + 2(wh + lh) + lw[/tex]

Step 3: Find Surface Area

Substitute in variables [Combined Surface Area equation]:                         [tex]\displaystyle SA_{Total} = \frac{\pi (9 \ mm)(11 \ mm)}{2} + \frac{\pi (9 \ mm)^2}{4} + 2[(9 \ mm)(6 \ mm) + (11 \ mm)(6 \ mm)] + (11 \ mm)(9 \ mm)[/tex]Evaluate exponents:                                                                                         [tex]\displaystyle SA_{Total} = \frac{\pi (9 \ mm)(11 \ mm)}{2} + \frac{\pi (81 \ mm^2)}{4} + 2[(9 \ mm)(6 \ mm) + (11 \ mm)(6 \ mm)] + (11 \ mm)(9 \ mm)[/tex]Multiply:                                                                                                            [tex]\displaystyle SA_{Total} = \frac{99\pi \ mm^2}{2} + \frac{81\pi \ mm^2}{4} + 2[54 \ mm^2 + 66 \ mm^2] + 99 \ mm^2[/tex][Brackets] Add:                                                                                                 [tex]\displaystyle SA_{Total} = \frac{99\pi \ mm^2}{2} + \frac{81\pi \ mm^2}{4} + 2[120 \ mm^2] + 99 \ mm^2[/tex]Multiply:                                                                                                            [tex]\displaystyle SA_{Total} = \frac{99\pi \ mm^2}{2} + \frac{81\pi \ mm^2}{4} + 240 \ mm^2 + 99 \ mm^2[/tex]Add:                                                                                                                   [tex]\displaystyle SA_{Total} = \frac{279 \pi}{4} + 339 \ mm^2[/tex]

Describe the event as impossible, unlikely, equally likely, likely, or certain.

The probability of tossing a 6-sided number cube and rolling a number less than 1 _________.​

Answers

Answer:

impossible

Step-by-step explanation:

I would say impossible

Sarah Goes To Dinner With 2 Of Her Friends. The Total Cost Of Dinner Is $61.92 Her Friends Pay 2/3 of the total cost. Exactly How Much Does Sarah Pay ?

Answers

Answer:

$20.64

Step-by-step explanation:

if you cut 61.92 in to thirds

61.92/ 3= 20.64

so if Sarah's friends payed 2/3 of the bill Sarah herself payed 1/3 which is $20.64

Someone help me pls

Answers

Answer:

x-¹⁰ is the correct answer dude

Answer:

= x^ 2 + x^ -12

= x^ 2 + (-12)

= x ^ -10

nine red balls and six blue balls are in a bag. if two were selected at random, determine the probability of selecting two red balls. set up the problem as if it would be solved but don't solve

Answers

Answer: (9/15)(8/14)=

Explanation: 9 out of the 15 total balls are blue and when you remove one blue ball, 8 out of fourteen balls are blue. These fractions are the chances of drawing each ball separately, so you multiply the chances together to get the chance of both happening.

10-What is the length of arc AB in circle Q?

Answers

Answer:  57.2

Step-by-step explanation:

Answer: C

Step-by-step explanation:

The length of the arc AB will be 5/18 of the circumference of the circle, which equals 2πr

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