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3 years ago

What is an equation of the line that is perpendicular to y=−3/4x+6 and passes through the point (3, 9) ?

Mathematics

1 answer:

Arisa [49]3 years ago

7 0

Answer:

y=4/3x+5

Step-by-step explanation:

Perpendicular means the slope will be the negative reciprocal.

So the slope=4/3

y=4/3x+b

Now, enter the point (3,9) into the equation.

9=4/3(3)+b

9=4+b

b=9-4

b=5

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A car travels at 65 miles per hour. Going through collision,it travels at 3/5 this speed. Write this fraction as a decimal.

solniwko [45]

Answer:

0.6

Step-by-step explanation:

the car moves at a speed of 3/5*65 miles per hour

that is 39 miles per hour

but this has nothing to do with the question as the only fraction is 3/5

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3 years ago

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Sedaia [141]

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3 years ago

Read 2 more answers

A month of the year is chosen at random. What is the probability that the month starts with the letter J or the letter M?

Harman [31]

J: 1/12
m: 1/12

i think this is the answer. hope it helps :)

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3 years ago

Which is a zero of the quadratic function f(x) = 9x2 – 54x – 19?

liraira [26]

Answer: Third Choice. x= 6 1/3

Step-by-step explanation:

Given

f(x) = 9x² - 54x - 19

Completing the square

3x -19

3x 1

Substitute back to the function

f(x) = (3x-19) (3x+1)

Simplify

x= 6 1/3 or -1/3

Hope this helps!! :)

Please let me know if you have any questions

7 0

3 years ago

Can u guys please help me!!

Alona [7]

Answer and Step-by-step explanation:

This problem requires the use of trigonometric functions, specifically the tangent trig function.

$tan(Angle)=\frac{opposite}{adjacent}$

Plug in the values.

$tan(40) = \frac{8000}{x}$

Multiply by x to both sides, then divide by tan(40) to both sides.

$x = \frac{8000}{tan(40)}$

Now, plug this into a calculator and rounded to the nearest whole number (foot).

x = 9534.0287

x = 9534 ft.

The answer is 9534 ft., the last option.

#teamtrees #WAP (Water And Plant)

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3 years ago