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mamaluj [8]
3 years ago
6

What is the intersection of lines for the two equations y+3x=1 and y-6=2x?

Mathematics
1 answer:
netineya [11]3 years ago
4 0

Answer:

Step-by-step explanation:

Let's reformat both equations so that y is by itself on each side:

y = -3x + 1

y = 2x + 6

Since we y isolated to one side in both equations, we know the right-hand sides must be equal:

-3x + 1 = 2x + 6

Solving for x will give us the x-coordinate of the point of intersection:

-5x = 5

x = -1

Plugging in this x-coordinate to either of the above equations will give us the y-coordinate of the point of intersection:

y = -3(-1) + 1

y = 4

Therefore, the point of intersection is (-1, 4)

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Charlotte drives 64 mph for the first 3 hours of her trip and 92 mph for last 4 hours.
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Answer:

80 mph

Step-by-step explanation:

\boxed{\sf Distance=Speed \times Time}

<u>First leg of trip</u>

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  • Time = 3 hours

\implies \sf Distance =64\times 3 = 192\:miles

<u>Second leg of trip</u>

  • Speed = 92 mph
  • Time = 4 hours

\implies \sf Distance=92 \times 4 = 368\:miles

\boxed{\sf Speed=\dfrac{Distance}{Time}}

To find the average speed:

\begin{aligned}\implies \sf Average\:speed & = \sf \dfrac{Total\:distance}{Total\:time}\\\\ & = \sf \dfrac{192+368}{3+4}\\\\& = \sf \dfrac{560}{7}\\\\ & = \sf 80\:mph\end{aligned}

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Cesar has 32 boxes of pasta and 48 jars of sauce that he will be putting into bags for a food drive. He wants each bag to have t
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Cesar has 32 boxes of pasta and 48 jars of sauce that he will be putting into bags for a food drive. He wants each bag to have the same amount of pasta and sauce and wants to use all of the items. Use the drop-down menus to complete the statements below about the number of bags Cesar can make.

What is the greatest number of bags Cesar can make and Each bag would have _____ pasta and _____ jars of sauce

Answer:

The greatest number of bags Cesar can make is 16 bags.

Each bag would have 2 pasta and 3 of jars of sauce

Step-by-step explanation:

We solve the above question using Greatest Common Factor method

The factors of 32 are: 1, 2, 4, 8, 16, 32

The factors of 48 are: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48

Then the greatest common factor is 16.

Hence, the greatest number of bags Cesar can make is 16 bags.

For Pasta, We have 32 pasta

Each bag would have: 32/16

= 2 pasta

For Jars of sauce, we have 48 jars of sauce.= 48/16

= 3 jars of sauce

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