1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
maria [59]
2 years ago
6

MARKING AS BRAINLIEST! LAST ATTEMPT! ) show ur work

Mathematics
1 answer:
Ivenika [448]2 years ago
5 0

- 3 \sqrt{180 {x}^{5}y }  =  - 3 \sqrt{36 {x}^{4} \times 5xy }  =  - 18  {x}^{2} \sqrt{5xy}

5 \sqrt{108xy {z}^{2} }  = 5 \sqrt{36 {z}^{2} \times 3xy }  = 30z \sqrt{3xy}

3x \sqrt{x {y}^{10} {z}^{7}  }  = 3x \sqrt{ {y}^{10} {z}^{6}  \times xz }  = 3x {y}^{5}  {z}^{3}  \sqrt{xz}

\sqrt{ {x}^{3} }  =  \sqrt{ {x}^{2} \times x }  = x \sqrt{x}

\sqrt{x {y}^{3}z }  = y \sqrt{xyz}

\sqrt{18 {x}^{2}y }  =  \sqrt{9 {x}^{2} \times 2y }  = 3x \sqrt{2y}

\sqrt{32 {x}^{4}  {y}^{2} }  =  \sqrt{16 ({ {x}^{2} })^{2} {y}^{2}  \times 2 }  =  4 {x}^{2} y \sqrt{2}

2 \sqrt{16 {x}^{7} {y}^{3} {z}^{4}   }  = 2 \sqrt{ {4}^{2} {x}^{6} {y}^{2} ( { {z}^{2} )}^{2}  \times xy  }    = 8 {x}^{3} y {z}^{2}  \sqrt{xy}

{x}^{2}  \sqrt{ {x}^{3} {y}^{2}  }  =  {x}^{2}  \sqrt{ {x}^{2} {y}^{2}  \times x }  =  {x}^{3} y \sqrt{x}

Answer: ......

Ok done. Thank to me :>

You might be interested in
If I used 23.8 liters over 28 days how many milliliters did i use each day
MA_775_DIABLO [31]
23.8L/28=.85Lx1000ml=850ml
7 0
3 years ago
Read 2 more answers
If the area of a circle is 58 square feet, find the circumference
Blizzard [7]

Answer:

C≈27 feet

Step-by-step explanation:

A=πr²

A/π=r²

√A/π =r or –√A/π=r (refused)

then r =√(A/π) =√(58/π) =4.297829403 feet

C=2πr=2π(4.297829403)=27.00405856≈27 feet

7 0
3 years ago
Read 2 more answers
Wilda can do a job in 4 hours that karla needs 5 hours to do. If wilda works 1 hour before karla joins her, how long will it tak
mezya [45]
Wilda can do the job in 4 hours ... she does 1/4 (or 0.25) of it each hour.
Karla can do it in 5 hours ... she does 1/5 (or 0.2) of it each hour.

Wilda worked alone for 1 hour ... 0.25 of the job was done before her helper
arrived.  So only 0.75 of the job remained to be done together.

Working together, they accomplish (0.25 + 0.2) = 0.45 of the job in 1 hour.

How many times do they need to do  0.45  of the job in order to finish
the  0.75  of it that remains ?  That's the number of hours it will take them,
working together.

0.75 / 0.45  =  <em>1 and 2/3</em>

After Wilda worked alone for 1 hour and Karla came along to join her, it will
take them another  <em>1 hour and 40 minutes</em> to finish the job and go for a swim.
8 0
3 years ago
A true-false quiz with 10 questions was given to a statistics class. Following is the probability distribution for the score of
disa [49]

Answer:

E(X)=\sum_{i=1}^n X_i P(X_i)  

And if we use the values obtained we got:  

E(X)=5*0.05 +6*0.15 +7*0.33 +8*0.28+ 9*0.12 +10*0.07=7.48  

For this case this value means that the expected score is about 7.48

Step-by-step explanation:

For this case we assume the following probability distribution:

X         5       6         7       8        9        10

P(X)   0.05   0.15  0.33  0.28   0.12   0.07

First we need to find the expected value (first moment) and the second moment in order to find the variance and then the standard deviation.

In order to calculate the expected value we can use the following formula:  

E(X)=\sum_{i=1}^n X_i P(X_i)  

And if we use the values obtained we got:  

E(X)=5*0.05 +6*0.15 +7*0.33 +8*0.28+ 9*0.12 +10*0.07=7.48  

For this case this value means that the expected score is about 7.48

In order to find the standard deviation we need to find first the second moment, given by :  

E(X^2)=\sum_{i=1}^n X^2_i P(X_i)  

And using the formula we got:  

E(X^2)=(5^2 *0.05)+(6^2 *0.15)+(7^2 *0.33)+(8^2 *0.28)+ (9^2 *0.12 +(10^2 *0.07))=57.46  

Then we can find the variance with the following formula:  

Var(X)=E(X^2)-[E(X)]^2 =57.46-(7.48)^2 =1.5096  

And then the standard deviation would be given by:  

Sd(X)=\sqrt{Var(X)}=\sqrt{1.5096}=1.229  

5 0
3 years ago
Read 2 more answers
Please help it’s very cunning
gregori [183]
The answer to you question is B
7 0
3 years ago
Other questions:
  • How can you simplify 8/12
    14·1 answer
  • Kylie opened a bank account. She deposited $76.50 into her account every month for 10 months. She used $30.50 every month to pay
    14·2 answers
  • Answer find the volume and explain?<br> 40POINTS
    7·1 answer
  • Sheila is a wildlife biologist. Her daily task is to count the number of wild turkeys and white-tail deer in a large game reserv
    8·1 answer
  • Lindsay shot a model rocket over an area that consists of two grassy areas shown in green and an area without grass, shown in wh
    8·1 answer
  • What is the value of x?
    8·2 answers
  • Juan reads 3/4 chapters in 4/5 hours. What is the unit rate in chapters per hour?
    13·1 answer
  • (1 x 106) - (8 x 109)<br> How do I solve it
    14·2 answers
  • △DOG ~△?
    10·1 answer
  • ASAP please and thank you
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!