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jekas [21]
3 years ago
8

The total weight of 15 boxes is 45 pounds .how much would 40 boxes weigh

Mathematics
2 answers:
Lera25 [3.4K]3 years ago
5 0
40 boxes would weigh would weigh 120 pounds
sergeinik [125]3 years ago
3 0
To answer this, we must first assume that each box weighs the same.  If this is true, you would make a rate of how many pounds in 15 boxes: 45 lbs/15 boxes.  From here determine the weight per box by dividing 45 by 15.  This means each box is 3 pounds.  Multiply this by the total number of boxes (3 x 40).  This gives you a total weight of 120 pounds for 40 boxes.
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Wetlands are important ecosystems for many reasons. Select all that apply.
OlgaM077 [116]

Answer:

A and B

Step-by-step explanation:

the bottom 2 don't make sense

7 0
3 years ago
Esmeralda Hasn't backed it in the shape of the screw is side of the magnet to 3 inches on what is the perimeter of her magnet
Vinvika [58]

Answer:

12 INCHES

Step-by-step explanation:

Esmeralda has as magnet in the shape of a square each side is 3 inches long what is the perimeter?

A square is a quadrilateral with four equal sides.

Characteristics of a square includes:

• The diagonals bisect each other at 90°.

• Opposite sides parallel and of equal length

• The four angles of a square are equal.

perimeter of a square = 4 x length

4 x 3 = 12 inches

7 0
2 years ago
The area of the kite is 20ft squared. What is the value of y? Explain.
mylen [45]

Solution

Note: Area of Kite

From the question we have

\begin{gathered} Area=\frac{1}{2}\times10\times2y \\  \\ 20=10y \\  \\ y=2 \end{gathered}

Therefore, y = 2

7 0
1 year ago
I have no clue what to do please help
Alborosie
The easiest way to solve this is to convert all of the values to a decimal value, and then order the numbers as you normally would.


1/5=0.2
-4.06
10/5=2
-4.30

Now that we know the decimal values, we can simply place them from least to greatest. -4.30, -4.06, 1/5, 10/5 is the correct order.
8 0
3 years ago
What substitution should be used to rewrite 16(x^3+1)^2-22(x^3+1)-3=0 as a quadratic equation?
lubasha [3.4K]

16(x^3+1)^2-22(x^3+1)-3=0\\\\\text{substitute}\ t=x^3+1\\\\16t^2-22t-3=0

3 0
3 years ago
Read 2 more answers
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