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4 years ago

Help me with this please

Mathematics

1 answer:

Rama09 [41]4 years ago

3 0

Answer:

1) 1

2) -2/5

3) 2

4) 5/3

5) 0

Step-by-step explanation:

So basically you take the y's (x,y) and you subtract them. If you were to subtract them from left to right, you subtract the x's (x,y) left to right as well.

If you decide to subtract from right to left for y's you do the same for x's.

Then after you have a fraction you will either divide if able to or you keep it as a fraction.

For example number 1 is (0,3) and (1,4)... You will take the y's which is 3 and 4. You will then subtract left to right or right to left. Doing so will get you to 1 for the y. For the x's you do the same. The x's are 1 and 0. Which will be subtracted the same direction as the y's. the ending fraction will be 1/1 ... The top will always be the y subtraction answer and the bottom will always be the x subtraction answer.

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2 years ago

Cement was poured to make two rectangular prism the prism were stacked as shown 4 feet 3 feet 4 feet 3 feet 2 feet what are leng

Mars2501 [29]

Answer:

V_t = 72 ft^3

Step-by-step explanation:

Solution:-

- The complete question is given in the attachment.

- The length of the smaller rectangular prism ( l ) is the side that runs along horizontal to the page and marked by l = 4 feet.

- The width of the smaller rectangular prism ( w ) is the side that protrudes out of the page, and also share the same dimension as the larger rectangular prism and marked by w = 2 feet.

- The height of the smaller rectangular prism ( h ) is the side that runs vertical to the page and marked by h = 3 feet.

- So the dimensions of the smaller rectangular prism are:

( l , w , h ) = ( 4 , 2 , 3 ) feet

- Similarly, for the larger rectangular prism:

- The length of the larger rectangular prism ( L ) is the side that runs along horizontal to the page and the sum of smaller and upper exposed face length, totaling to L = ( 4 + 4 ) = 8 feet.

- The width of the larger rectangular prism ( W ) is the side that protrudes out of the page, and also share the same dimension as the larger rectangular prism and marked by W = 2 feet.

- The height of the larger rectangular prism ( h ) is the side that runs vertical to the page and marked by H = 3 feet.

- So the dimensions of the larger rectangular prism are:

( L , W , H ) = ( 8 , 2 , 3 ) feet

- The total amount of cement in cubic feet required to make two rectangular prism with dimensions evaluated above is the sum of smaller and larger rectangular prism volumes.

- The volume of a rectangular prism is given by:

V-prism = Length*width*height

- So the total volume V_t would be:

V_t = V_small + V _large

V_t = ( l*w*h ) + ( L*W*H )

V_t = ( 4*2*3 ) + ( 8*2*3 )

V_t = ( 24 ) + ( 48 )

V_t = 72 ft^3

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3 years ago