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Ulleksa [173]
3 years ago
6

A delivery truck is transporting boxes of two sizes large and small the combined way of a large box and a small box is 80 pounds

the truck is transporting 60 large boxes and 55 small boxes if the truck is carrying a total of 4650 pounds in boxes, How much does each type of box way?
Mathematics
1 answer:
BigorU [14]3 years ago
8 0

Answer:

the small box be 30 and the large box be 50

Step-by-step explanation:

The computation of the each box is as follows:

Let us assume the small box be x

And, the large box be y

Now the equations are

x + y = 80........ (1)

55x + 60y = 4,650 ........(2)

Now multiplied by 55 in equation 1

55x + 55y = 4,400

55x + 60y = 4,650

-5y = -250

y = 50

Now x = 80 - 50

= 30

Hence, the small box be 30 and the large box be 50

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-Dominant- [34]

Answer:

B. 11/18

Step-by-step explanation:

Solve using algebra.

x = 0.611111...

10x = 6.111111...

10x - x = 6.111111.. - 0.61111111..

9x = 5.5

x = 5.5/9

x = 11/18

7 0
3 years ago
You have 42 ft. of fencing (1 ft. segments) to make a rectangular garden. How much should each side be to maximize your total ar
Verizon [17]

Answer:

Length=10.5\ ft

Width=10.5\ ft

Area=110.25\ ft^{2}

Step-by-step explanation:

Let

x----> the length of the rectangular garden

y---> the width of the rectangular garden

we know that

The perimeter of the rectangle is equal to

P=2(x+y)

we have

P=42\ ft

so

42=2(x+y)

simplify

21=(x+y)

y=21-x------> equation A

Remember that the area of rectangle is equal to

A=xy ----> equation B

substitute equation A in equation B

A=x(21-x)

A=21x-x^{2}----> this is a vertical parabola open downward

The vertex is a maximum

The y-coordinate of the vertex is the maximum area

The x-coordinate of the vertex is the length side of the rectangle that maximize the area

using a graphing tool

The vertex is the point (10.5,110.25)

see the attached figure

so

x=10.5\ ft

Find the value of y

y=21-10.5=10.5\ ft

The garden is a square

the area is equal to

A=(10.5)(10.5)=110.25\ ft^{2} ----> is equal to the y-coordinate of the vertex is correct

6 0
3 years ago
Coretta buts a pair of jeans that is on sale for 20% off. The regular price is marked as $26.00. What is the sale price of the j
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Answer:

What are the answer options and I  think its 130

Step-by-step explanation:

  1. bc 2600 divided by 20 is 130 I think...
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Answer:

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You have a and b already, a = 6, b = 8

6^{2} +8^{2} =c^{2} \\\\

solve this to get

64 + 36 = \sqrt{100}

C = 10

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3 years ago
To simplify the following expression, which operation would you complete second?
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Divide, the first operation is the parentheses and then division
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