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Reil [10]
2 years ago
7

Suppose you are designing a cardboard box that must have a volume of 27 cubic feet. The cost of the cardboard is $0.21 per squar

e foot.
The material in each box will cost $____
Mathematics
1 answer:
koban [17]2 years ago
5 0
Durians. Dhdjns shekels. Shshnsnas
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Factor completely 4u^2-28u+49
icang [17]

\bold{Answer}

\boxed{\bold{\left(2u-7\right)^2}}

\bold{Explanation}

  • \bold{Factor: \ 4u^2-28u+49}

\bold{---------------------}

  • \bold{Rewrite \ 4u^2-28u+49: \ \left(2u\right)^2-2\cdot \:2u\cdot \:7+7^2}

\bold{\left(2u\right)^2-2\cdot \:2u\cdot \:7+7^2}

  • \bold{Apply \ Perfect \ Square \ Formula \ \left(a-b\right)^2=a^2-2ab+b^2: \ a=2u,\:b=7}

\bold{\left(2u-7\right)^2}

\boxed{\bold{Eclipsed}}

3 0
3 years ago
Read 2 more answers
The length of a rectangle is 3cm longer than its width.
Contact [7]

Answer:

width=8cm

lenth=11

Step-by-step explanation:

8 0
3 years ago
Please help stuck on probelem
Maurinko [17]
<h3>Answer:  36 square units</h3>

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

Explanation:

Draw a horizontal line to cut the figure into a rectangle on top and a triangle down below.

The rectangle has length and width of 6 and 4 (horizontal and vertical components respectively). The area of this rectangle is 6*4 = 24 square units.

The triangle has a base of 6 and a height of 4. The base and height of any triangle are always perpendicular.

The area of the triangle is base*height/2 = 6*4/2 = 24/2 = 12 square units. If you were to cut out half of the triangle and rearrange things, you'll find that a rectangle can be formed. This rectangle is half in area that of the first rectangle we found. This is why we divide by 2 when finding the area of the triangle.

Once you know the two sub-areas, we add them up to get the overall area: 24+12 = 36 square units.

5 0
3 years ago
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Andre is setting up rectangle tables for a party. He can fit 6 chairs around a single table. Andre lined up 10 tables end to end
IRINA_888 [86]
If there is one table (t=1) then 6 chairs (c=6) can be placed around the table, 2 along the length on each side and 1 at each end.
When t=2, and the tables are end to end (joined at their width) c=10, that is, 4 chairs on each side of the double table and 1 at each end. Each time a table is added c increases by 4 so we can write c=4t+2 the constant 2 being the single chair at each end. If the tables are separated then c=6t.
5 0
3 years ago
A car that is traveling from one city to another has a velocity that is increasing at a constant slope of 3. If the car started
Masteriza [31]

Answer:

c is the answer

Step-by-step explanation:

It is the only graph  that starts at (1,0)

and if you look closely the slope is 3

3 0
3 years ago
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