, draw and label examples of all rectangular prisms built with 16 unit cubes

Answers

Answer 1
Answer: Volume is the amount of space inside a 3-dimensional figure. It is measured in cubic units. A cubic centimeter is a cube that is 1 cm wide, 1 cm long, and 1 cm high. Another way to think of volume is to find the number of unit cubes necessary for building the figure. There is a video about it's called volume of rectangle prism.

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Dante is building a model city for work. He uses plastic strips to mark the road for his model city. Each plastic strips is 5/8 feet long. If he had 12 feet of plastic, how many 5/8 strips can he get
Literal equations Solve P=2(l+W) for l
-3y4-5y3+17y2+9y+1/0.5y2
Which statements accurately describe aspects of Russia's culture and history? Choose all answers that are correct. A. Ivan the Terrible isolated Russia from the West. B. The Kremlin is a fortress and symbol of power. C. Orthodox Christianity became the official religion. D. Russian peasants had more freedom than most European peasants. E. Ivan III was known for defeating the Byzantines and rejecting their culture.
What is the ratio 35:5 in simplest form?

you have 10 cards numbered from 1 to 10. you choose a card at random. then without replacing the first card, you choose anothercrd at random. what is the probability that ypu choose to even numbers?

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1/2 for the first draw and 4/9 for the second draw

What shape is number : 3, 4, and 7

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3 is a irregular pentagon (pentagon, penta=five, regular means all equal sides and angles)

4 is , I can't see the bottom, if there are only 3 lines, then the figure is a triangle
if ther are 4 sides then it is either, (if the sides are not parrelel then the figure is a quadrilateral) (if 2 sides are parrelell then it is a trapizoid or trapezium)

7 is a quadrilateral because it has 4 sides and cannot be classified further because it doesn't have parralell sides
3 is a pentagon - it has five sides.
7 is a quadrilateral - it has four sides.
I cannot see what number 4 is, as you have cut it off with the picture.

Find the reciprocal of  11/3

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The reciprocal of any number is just '1' divided by the number. The reciprocal of a fraction is just flip-it-over. The reciprocal of 11/3 is 3/11 .
The reciprocal of (11)/(3) is (3)/(11)

Fred has a bakery. He sells 40 cakes in a day. If his sells increased by 120%, how many cakes would he sell in a day?

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To get the result we have to find 120% of 40 and add it to normal sells.
so
120% of 40 = 1.2*40=48         
Now I can add 120% of 40 to normal sells
48+40=88 - its our result

How do I solve 2x-3y=-1 and y=x-1 with substitution?

Answers

2x-3y= -1 (label 1)
y=x-1 (label 2)
sub 2 in 1
2x-3(x-1)= -1
2x-3x+3= -1
-x+3= -1
-x=-4
x=4
sub x=4 into 2
y=4-1
y=3

therefore x=4 and y=3 

Can anyone help me solve this system of equation by elimination?5x+4y=-30
3x-9y=-18

Answers

\begin{cases}5x+4y=-30\ \ / \cdot (-3) \n3x-9y=-18\ \ / \cdot 5 \end{cases}\n\n \begin{cases}-15x-12y=90 \n15x-45y=-90 \end{cases}\n+\ --------\n -57y=0 \n y=0 \n\n 5x+4y=-30\n5x+4 \cdot 0=-30 \n5x=-30 \ \ / :5 \nx=-(30)/(5)\nx=-6 \n \nAnswer : \n\n \begin{cases} x=-6 \n y=0 \end{cases}