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3 years ago

What is the interception point of y=-1/3x+1 and y=2/3x+4

Mathematics

2 answers:

Allisa [31]3 years ago

7 0

Answer:

(-3,2)

Step-by-step explanation:

I used desmos for this. Or you could just do the y=y method.

Kazeer [188]3 years ago

5 0

Answer:

(-3,2)

Step-by-step explanation:

For further questions or graphing questions I would recommend the website desmos graphing calculator it really helps !!

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Select the locations on the number line to plot the points 9/2 and −7/2 .

Alex_Xolod [135]

9/2 would be on the right -7/2 will be on the left hope i helped

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3 years ago

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What is the y-intercept of the graph of x - 8 = y-(-5)?

damaskus [11]

Answer:

A. -13

Step-by-step explanation:

y - (-5) is the same as y + 5

x - 8 = y + 5; you then subtract 5 from both sides

x - 13 = y

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2 years ago

Please help with #12 im confused<br> that is the key but i dont get it

Svetllana [295]

Given Equation

$\boxed{ \tt \: (8 \sqrt{3} - 2 \sqrt{2} )(8 \sqrt{3} + 2 \sqrt{2})}$

Step by step expansion:

$\dashrightarrow \sf \: (8 \sqrt{3} - 2 \sqrt{2} )(8 \sqrt{3} + 2 \sqrt{2})$

$\\ \\$

$\dashrightarrow \sf \: (8 \sqrt{3})^{2} - (2 \sqrt{2} {)}^{2}$

Reason:

(a + b)(a - b) = a²- b²

$\\ \\$

$\dashrightarrow \sf \: (8 {}^{2} \times { \sqrt{3} }^{2} )- (2 \sqrt{2} {)}^{2}$

$\\ \\$

$\dashrightarrow \sf \: (64 \times 3 ) - (2 \sqrt{2} {)}^{2}$

$\\ \\$

$\dashrightarrow \sf \: (64 \times 3 ) - (2 {}^{2} \times \sqrt{2} {}^{2} {)}$

$\\ \\$

$\dashrightarrow \sf \: 192- 8$

$\\ \\$

$\dashrightarrow \sf \: 184$

$\\ \\$

~BrainlyVIP ♡

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2 years ago

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How can I solve 30x-18-5-4x=55

Elden [556K]

$\text{Solver for x:}\\\\30x-18-5-4x=55\\\\\text{Combine like terms}\\\\26x-18-5=55\\\\26x-23=55\\\\\text{Add 23 to both sides}\\\\26x=78\\\\\text{Divide both sides by 26}\\\\\boxed{\text{x = 3}}$

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3 years ago

A plant cell has a lenght of 0.000085 meters. which is this length written in scientific notation ?

Leno4ka [110]

Answer:

8.5x10^-5

Step-by-step explanation:

Move the decimal over between the 8 and the 5, it "hops" 5 times. Since it moved over right, make it negative

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3 years ago