3 years ago

Which lines are perpendicular to the the line y -1=1/3(x+2)

Mathematics

1 answer:

maria [59]3 years ago

8 0

Any line with a slope of -3

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You spend 60 on clothes and buy 3 dvd movies. your friend spends nothing on clothes and buys 8 dvd movies. you both spend the sa

garik1379 [7]

Each dvd cost $7.50 how? Your friends buy 8 dvd's and in total is 60, you want to divide 60 from 8 and find that it's 7.50 and then multiply 8 to 7.50 and it should be 60. Hope this helps!!

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3 years ago

Write an expression for the number of butterflies after 4 minutes .use the power of 2 in your awnser

topjm [15]

There are 2² butterflies.
Or simply 2²

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3 years ago

What is the elimination to this solution i think its b

Blababa [14]

EXPLANATION:

To get the solution of the simultaneous equation, using the elimination method:

We will have the following steps:

Step 1:

Write the two equations:

$\begin{gathered} y=-\frac{1}{2}x+3 \\ y=-\frac{7}{2}x-3 \end{gathered}$

Step2: Subtract the two equations:

$\begin{gathered} y-y=-\frac{1}{2}x-(-\frac{7}{2}x)+3-(-3) \\ 0=-\frac{1}{2}x+\frac{7}{2}x+6 \\ \end{gathered}$

Step 3: Simplify the expression

$\begin{gathered} 0=3x+6 \\ 3x=-6 \\ x=-\frac{6}{3} \\ x=-2 \end{gathered}$

Step 4: Substitute x=-2 into the formula:

$\begin{gathered} y=-\frac{1}{2}x+3 \\ y=-\frac{1}{2}\times-2+3 \\ y=1+3 \\ y=4 \end{gathered}$

Therefore, the answer is

$(-2,4)$

Thus,

Option B is correct

5 0

1 year ago

What sentence uses symbols to show a relationship when two numbers are not equal?

mel-nik [20]

Answer:

Step-by-step explanation:

b≠a

.................

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3 years ago

Help plz:)))I’ll mark u Brainliest

alexgriva [62]

Answer:

x = 12

Step-by-step explanation:

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3 years ago