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Nina [5.8K]
3 years ago
13

A rectangle’s length is three times its width, w. Its area is 243 square units. Which equation can be used to find the width of

the rectangle?
w2 = 3(243)
3w2 = 243
4w2 = 243
3w2 = 3(243)
Mathematics
2 answers:
maksim [4K]3 years ago
8 0

Answer:

3w2=243

Step-by-step explanation:

a=l multiply by breath

3w times w

My closest answer was 3w2=243

mario62 [17]3 years ago
6 0

Answer:

3w² = 243

Step-by-step explanation:

Width = w

Length = 3w

Area = 243 square units

length *width = 243

3w * w = 243

3w² = 243

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He puts 1/4 of the treasure to aside for himself he gives 1/2 of what is left to his friend bill he shares 2/3 of the remaining
Andrej [43]

Answer:

24 bars of treasure

Step-by-step explanation:

You just need to do the opposite in order to find the total value since you divided the treasure up we need to multiply the treasure “back”.

3 buried bars is equal to 1/3 of the remaining treasure. Multiply by 3 to get 3/3 or 100% of buried and crew portion. So we now have 9 bars. Then multiply by 2 to get 100% of what was given to bill, crew and buried. We now have 18 bars. Then we know that we took 1/4 for ourselves so that means 18 bars represents 3/4 of the treasure. So when we look at factors of 18 we find that 3 x 6 = 18 and 4 x 6 = 24 so we conclude that we had 24 bars of treasure before the split.

4 0
3 years ago
Find the area of the circle. Round to the nearest tenth. Use 3.14 or for . radius = 8 in.
Musya8 [376]

Answer:

201

Step-by-step explanation:

Pi x radius x Radius = area

3.14 x 8 x 8 = area

3.14 x 64 = 200.96

when you round 200.96 you get 201!  

6 0
3 years ago
What is the third quartile of the data set? 23, 35, 55, 61, 64, 67, 68, 71, 75, 94, 99
lara [203]

Answer:

75

Step-by-step explanation:

Q1=55 Q2=67 Q3=75

4 0
3 years ago
What are the coordinates of the midpoint of the line segment with endpoints 2,5 and 4,-7
Phoenix [80]
<h3>Answer:   (3, -1)</h3>

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

Explanation:

The midpoint formula is (x_m, y_m) = \left(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2}\right)

This basically says to add the corresponding coordinates and divide by 2.

The given points (2,5) and (4,-7) have x coordinates of 2 and 4. They add to 2+4 = 6, and then that result cuts in half to 6/2 = 3. The x coordinate of the midpoint is 3.

The y coordinate of the midpoint is y = -1 since adding the y coordinates of the given points leads to 5+(-7) = -2 which cuts in half to -1.

So overall the midpoint is located at (3, -1)

8 0
3 years ago
48x^2 +44x=60 which of the following could be used to find the solution to the equation above? Select all that apply
levacccp [35]

Because the polynomial has degree 2, we can assume that there are 2 solutions (roots), whether real or imaginary.

You can subtract 60 in order to put this in standard form

48x^2+44x-60 = 0

From there, just put a,b, and c into the quadratic formula and you're good to solve for your answers.


(-b+-sqrt(b^2-4ac))/2a

(-44+-sqrt(44^2-4(48)(-60)))/2(48)

Then solve.


There is probably a better way, but this should give you the two roots/solutions.

8 0
3 years ago
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