Help me help me please please

Mathematics

1 answer:

pantera1 [17]3 years ago

6 0

Answer:

Step-by-step explanation:

multiply numerators with numerators and denominators with denominators

1) 7/12 x 8/1 = (7 x 8) / (12 x 1) = 56/12 simplify 56/12

= 56/12 = 28 / 6 = 14 / 3 = 4 and 2/3 = 4 and 8/12

2) 9 seeds picks out 3/4 of the seeds

9 x 3/4 = 9/1 x 3/4 = 9x3 / 1x4 = 27/4 = 6 and 3/4

I can't read the other ones but jus follow the examples above

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Algebra tiles to prove that 4 + 8x and 4(2x+1)

Dafna1 [17]

Not sure what algebra tiles are

not sure how to absolutely prove
I can prove it works at least most of the time by subsitute ing number for x

remember that 0,1,2 have special properties and are not very good for subsituting so
try 4
4+8(4)=4(2(4)+1)
true or false?
4+8(4)=4(2(4)+1)
multipily
4+32=4(8+1)
36=4(9)
36=36
this is treu at least for the number 4
another way is to believe in the distributive property where
a(b+c)=ab+ac so then
4(2x+1)=4(2x)+4(1)=8x+4=4+8x

7 0

3 years ago

Read 2 more answers

Your having lunch at Taco Bell. You have your choice of a taco,burrito or Mexican pizza. You can choose between rice and beans.

tino4ka555 [31]

Let T be the taco, B the burrito, MP the mexican pizza, R the rice, and N the beans.

For the main course we can have the first three.

----- T

------ B

-------MP

Each main course comes with the two sides. So an R branch and a B branch go to each of the taco, burrito, or pizza.

-----T---------R or N.