Tina divided the rectangles at the right into two smaller parts. Show another way to divide the rectangle into two smaller parts. Write the equation you could use to find the area of the two smaller rectangles.
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A rectangle can be divided into two smaller rectangles in multiple ways, one of which is by drawing a line across the middle. The area of each smaller rectangle is calculated by multiplying the length by width, in this case it's (length/2) * width
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Answer:
40% gain.
Step-by-step explanation:
Suppose he bought 100 fruit at a cost of $40.
He sold 1/2 ($20 ) for 20 * 1.6 = $32.
He sold 1/4 ($10) for 10*1.2 = $24.
Total revenue = $56 dollars so he made 56 - 40 = $16 profit.
percent gain = 16 * 100 / 40
= 40 %.
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Quick rule for powers of 10: for the number of zeroes, use the number it is powered to. i.e. 10^5 is 100,000, 10^2 is 100, etc.
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Answer:
Rectangular prism
I chose a box of cereal.
Part 1)List the dimensions of your box. Be sure to include the units (in, cm, ft, etc.).
Length: 20 cm
Width: 8 cm
Height: 32 cm
Part 2).
Describe the shape of the cross-section when the box is cut parallel to the base.
The shape of the cross-section would be a rectangle in dimensions.
20 cm x 8 cm
Part 3)
What is the surface area of the box?
surface area=2*area of the base + perimeter of the base*height
area of the base=20*8=160 cm²
perimeter of the base=2*[20+8]-----> 56 cm
height=32 cm
surface area=2*160+56*32------> 2,112 cm²
the answer part 3) is
2,112 cm²
Part 4)
What is the surface area of the box if it is scaled up by a factor of 10?
we know that
surface area of the larger box =[scale factor]²*surface area original box
scale factor=10
surface area original box=2,112 cm²
so
surface area of the larger box=10²*2,112-----> 211,200 cm²
the answer part 4) is
211,200 cm²
Part 5)
What is the volume of the box?
volume of the box = L*W*H 20*8*32-5,120 cm³
the answer Part 5) is
5,120 cm³
Part 6)
What is the volume of the box if it is scaled down by a factor of 1/10?
we know that
the volume of the smaller box =[scale factor]³volume original box
scale factor=1/10
volume original box=5,120 cm³
so
volume of the smaller box =[1/10]³*5,120 5.12 cm³
the answer part 6) is
5.12 cm³
The length is 6 in., the width is 2 in., and the height is 16 in.
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Answer:
$.32
Step-by-step explanation:
To find the unit price, we take the cost and divide by the units. We will take the cost and divide by 128 ounces since that is how many ounces in a gallon.
$5.12 / 128 ounces
$.04 per ounce
I need to find the price of an 8 ounce glass of milk, so I multiply by 8 ounces
$.04 per ounce * 8 ounces = $.32
My 8 ounce glass of mile costs $.32
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If your friend baked 60% of 400 total, that means that the remaining amount of cupcakes that you baked is 100% – 60% = 40%. So, we must find 40% of 400
To do this, first we must convert 40% into decimal form. We can do this by dividing it by 100: 40 ÷ 100 = 0.4
Then, "of" usually means multiplication. In this case, it does, so to find 40% of 400, we must calculate 0.4 • 400
0.4 • 400 = 160, so you baked 160 cupcakes
400 - 240 = 160