Please help me with the process to find the answer for #15, #16, #17 and #18

Mathematics

1 answer:

timama [110]3 years ago

8 0

Well I wanna do you want us to pick you guys up tomorrow at night to

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Plz really ned help on this really easy!! simplify: 4(5x + 12) Thank you all in advance!!!

Katarina [22]

4(5x + 12) simplified = 20x + 48

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2 years ago

Which expression shows the sum of the polynomials with like terms grouped together? (8x+3z-8z^2)+(4y-5z)

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It’s (-8z^2 +8x +4y -2z)

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3 years ago

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2 years ago

Which equations apply the distributive property? Select each correct answer. 70⋅2.028=(70⋅1)+(70⋅0.02)+(70⋅0.008)70⋅2.028=(70⋅1)

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3 years ago

If 6 pipes fill a tank in 120 minutes, then 5 pipes can fill it in how many minutes

Marianna [84]

Answer:

It'll take 144 minutes for 5 pipes.

Step-by-step explanation:

${ \sf{6 \: pipes = 120 \: mins}} \\ { \sf{5 \: pipes = ( \frac{6}{5} \times 120) \: mins}} \\ \\ = { \sf{144 \: mins}}$

but practically, it seems to be abnormal. if 6 pipes take 120 mins, 5 pipes must takes a time greater than 120 mins cause amount of water flowing to the tank is decreasing.

But there is a possibility that pressure of water was increased for the case of five pipes, that's why it takes a time less than 120 mins. (t < 120)

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2 years ago

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