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3 years ago

Write the equation of the line passing through the points (−1, 2) and (3, 4)

Mathematics

1 answer:

lina2011 [118]3 years ago

6 0

Answer:

2/4

Step-by-step explanation:

Using a graph, you would start at (-1,2). Next you would move up twice. Then you would move 4 lines to the right. You'll land on (3,4)

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Which of the following equations has only one solution?

Daniel [21]

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Find the y intercept

erica [24]

Step-by-step explanation:

Slope of line ST = Slope of line PQ = -3.

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3 years ago

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|5−4r|=17 find r Answer in as many ways as possible IF you don't answer the question and fool around I will report you

sergejj [24]

Answer:

r1= -3

r2= (11/2)

Step-by-step explanation:

5-4r=17

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3 0

3 years ago

What is the value of d to the nearest tenth?

Ghella [55]

Answer: $d=13.8$

Step-by-step explanation:

A line that cuts a circle at two points is called "secant".

There is a theorem known as "Intersecting Secant Theorem". This is the theorem you need to use to find the value of "d".

According the Intersecting Secant Theorem:

$(14)(14+20)=(16)(16+d)\\(14)(34)=(16)(16+d)$

Having this expression, the next step is to solve for "d":

Use Distributive property:

$476=256+16d$

Subtract 256 from both sides:

$476-256=-256+256+16d$

$220=16d$

Divide both sides by 16:

$\frac{220}{16}=\frac{16d}{16}\\\\13.75=d$

The value of "d" rounded to the nearest tenth is:

$d=13.8$

6 0

3 years ago