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3 years ago

W/18=3 I don't understand

2 answers:

8 0

All you do is solve for W.
you need to isolate the variable, and to do that you multiply by 18 on each side
the /18 and the *18 will cancel each other out, leaving W by itself. Then 3*18 is equal to 54

W=54

Travka [436]3 years ago

6 0

If you want to solve for w:

w/18= 3
multiply both sides by 18

(w/18)(18)= (3)(18)
18 "cancels out" on the left side

w= 54

CHECK
54/18= 3
3= 3

ANSWER: w= 54

Hope this helps! :)

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The circumference of the flotation device above is 62.8 inches . If three flotation devices are lined up end-to-end , then what

Karo-lina-s [1.5K]

Answer: 60 in

Step-by-step explanation:

Hi, to answer this question, first we have to calculate the diameter of one flotation device:

Circumference of a circle C = (3.14) (diameter)

Replacing with the values given:

62.8 =3.14 d

Solving for d (diameter)

62.8 /3.14 =d

20in = d

Now, since the three flotation devices are identical, we simply have to multiply the diameter of one device by 3 , to obtain length of the flotation devices lined up.

20x3 =60 in

Feel free to ask for more if needed or if you did not understand something.

6 0

3 years ago

Tara has a magnet collection from places she visited. She measures the length of the magnets to the nearest half inch and record

gregori [183]

Answer:

there are more magnets that longer than 2 1/2

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.

Please have a look at the attached photo.

My answer:

From the photo, we can see that:

Length of the magnet:

1 inch there is 1 magnet
$1\frac{1}{2}$ inches there are 2 magnets
2 inches there are 3 magnets
3 inches there are 4 magnets
$3\frac{1}{2}$ there is 1 magnet
4 inches there are 2 magnets

=> the total number of magnets that longer than 2 1/2 are: 4+1+2 = 7

=> the total number of magnets that shorter than 2 1/2 are: 1+2+3 = 6

Hence, there are more magnets that longer than 2 1/2

Hope it will find you well.

8 0

3 years ago

Read 2 more answers

A Bike shop charges by the hour to rent a bike. Related items are rented for flat fees. Write an expression that represents how

IgorLugansk [536]

Answer:

y= b+ 3a

Step-by-step explanation:

Given data

We are required to rent a bike and a helmet

le the flat fee for bike rental be a

and the flat fee helmet be b

let the number of hours be h

and let the total cost be y

y= b+ah

for h = 3

tThen the expression for the total is given as

$y= b+ 3a$

3 0

3 years ago

Read 2 more answers

Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel.

Allisa [31]

Let, the age of Daniel be x years and Kevin be y years.

Given, Kevin is 3 years older than Daniel.

So we can write the equation as y=x+3

Also given, 2 years ago Kevin was 4 times as old as Daniel.

2 years ago, Daniel's age = (x-2) years

2 years ago, Kevin's age = (y-2) years.

So we can write the equation as (y-2) = 4(x-2)

We have got the two equations

y = x+3 ..... equation 1

(y-2) = 4(x-2) ..... equation 2

Now we are plugging in the value of y from equation 1 to equation 2

x+3-2 = 4(x-2)

x+1 = 4(x-2)

Now we have to distribute 4 in the right side.

x+1 = 4x -8

We will have to take x in one side. so let's move 4x to the left side by subtracting it to both sides.

x -4x+1 = 4x-4x -8

-3x+1 = 0-8

-3x+1 = -8

Now we have to move 1 to the right side by subtracting 1 from both sides.

-3x +1 -1 = -8-1

-3x+0 = -9

-3x = -9

Now we can get x by moving -3 to the right side. As -3 is multiplied there so we can move it by dividing both sides by -3.

-3x/-3 = -9/-3

x = 3

So we have got the required answer. Daniel is 3 years old.

8 0

4 years ago

Which fractions are equivalent to 6/9? Select all that are equivalent. a) 2/3 b)12/15 c)8/12 d) 4/7

Neporo4naja [7]

Answer:

2/3

Step-by-step explanation:

Divide through by 3

3 0

3 years ago

Read 2 more answers