All categories

3 years ago

Hey there! it will be a big help if you lend a hand here! thank you <3

Mathematics

2 answers:

Yuri [45]3 years ago

7 0

Step-by-step explanation:

2(xy)^3

= 2(0.6 * 5)^3

= 2(3)^3

= 2 * 27

= 54

egoroff_w [7]3 years ago

5 0

Answer:

Step-by-step explanation:

since x= 0.6 and y=5 you replace them in 2(xy)^3

then it would be 2((0.6)(5))^3

first multiply the numbers inside 0.6 times 5 =3

second multiply 3 three times =27

lastly multiply 27 times 2 to get finally 54

hope this helped :)

You might be interested in

Use (x-3)^2 -6<br> to solve x^2-6x+3=0 <br> leave your answer in surd form

Mrac [35]

Answer:

$x=3\pm\sqrt{6}$

Step-by-step explanation:

$(x-3)^2-6=0$

$(x-3)^2=6$

$x-3=\pm\sqrt{6}$

$x=3\pm\sqrt{6}$

8 0

3 years ago

Janet saved 22 dollars one moth and 39 dollars the next month. She wants to buy A bicycle that cost $100. How much more money do

mel-nik [20]

So total she saved 22+39 so far. That's 61 dollars in total (22+39=20+41=61).

She needs 100 dollars total, but she has 61 already, so she only needs 100-61=39 more: she needs 39 dollars more.

8 0

4 years ago

Read 2 more answers

Suppose it takes 18 hours for a pipe to fill a tank of water, if the tank

Lemur [1.5K]

Answer:

Step-by-step explanation:

Let the volume of tank be x

In 18 hours volume of tank filled = x

we have to find the volume of tank which is filled in 1 hours.

For that we divide LHS and RHS by 18

In 18/18 hours volume of tank filled = x/18

In 1 hours volume of tank filled = x/18

In 30 hours volume of tank emptied = x

we have to find the volume of tank which is emptied in 1 hours.

For that we divide LHS and RHS by 30

in 30/30 hours volume of tank filled = x/30

In 1 hours volume of tank filled = x/30

If tank is empty and one starts to fill it, two things will happen

it will start filling at rate of x/18 hours

But there is leak which will start to empty the tank at x/30 hours

So , at any given time rate if filling of water will be rate of filling the tank- rate of emptying the tank

In 1 hour volume of tank filled if both filling and leaking takes place simultaneously = x/18 -x/30 = (30-18)x/18*30 = 12x/18*30 = x/3*15 = x/45

In 1 hour volume of tank filled = x/45

in 1*45 hour volume of tank filled = x/45*45 = x

Thus, it will take 45 hours to fill the leaky tank .

4 0

4 years ago

A surveyor is studying a map of the community and is using vectors to determine the distance between two schools. On the map, th

user100 [1]

Answer:

Option C

Step-by-step explanation:

From the question we are told that

Co-ordinate of school A =(7,12)

Co-ordinate of school B =(-21,-13)

Generally the sum of the vector is mathematically represented

$(A+B)=(-21-7,-13-12)$

$(A+B)=(-28,-25)$

Generally the actual distance between the schools is mathematically given as

$d=\sqrt{-28^2+-25^2}$

$d=\sqrt{1409}$

$d=37.5366 \approx 37.537m$

5 0

4 years ago

Read 2 more answers

A prison administration wants to know whether the prisoners think the guards treat them fairly. Explain how each of the followin

Alex73 [517]

Answer:

A prison administration wants to know whether the prisoners think the guards treat them fairly. The explanation, of each component could be used to produce biased and unbiased results, is as follow

A) Component 2:

If the prison guards ask the questions from the prisoners directly by themselves then it is highly like to get the biased results.

If the person are hired outside from the staff then it will minimize the probability of biased results rather it will allow to get the best results.

B) Component 4:

The question asked from prisoner would be biased if it is like "You don't have any complaints about how you are treated, do you?"
The same question can be unbiased if asked in such a way "We are interested in your opinion about your treatment by the guards. Do you think you are fairly or unfairly treated by them?"

7 0

4 years ago