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shutvik [7]
2 years ago
11

Find the value of x. No links please!

Mathematics
1 answer:
Artemon [7]2 years ago
3 0

Answer:

Step-by-step explanation:

tan(26)=42/x hence x=42/tan(26)=86.113

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What is the value of x
STALIN [3.7K]
X=11, set 10x+5x+15=180
                 15x+15=180, subtract 15 from 180= 165, then divide 165 by 15
7 0
3 years ago
Consider the graph of the quadratic function y=3x↑2↓-3x-6.what are the solutions of the quadratic equation 0=3x↑2↓-3x-6
Shkiper50 [21]
X = 2 or -1

factors to 3(x-2)(x+1)=0
7 0
3 years ago
I don't like word problems, i need help with this guys
alina1380 [7]
Okay so first we want to find out how many cans one person uses a year. To find this we divide 16,801 by 53 and we get 317 cans a year. Using this we can find how many cans 1,694,000 people use a year by multiplying the people by 317. You get 536,998,000 cans a year, which is your answer.
7 0
3 years ago
Write the equation of a line perpendicular to 5x – 4y = - 3 that passes through the point (-5,2).
kolezko [41]

Answer: 5y + 4x = - 10

Step-by-step explanation:

Two lines are said to be perpendicular if the product of their gradients = -1.

If the gradient of the first line is m_{1} and the gradient of the second line is m_{2} , if the lines are perpendicular, them

m_{1} x m_{2} = -1 , that is

m_{1} = \frac{-1}{m_{2} }

The equation of the line given is 5x - 4y = -3 , we need to write this equation in slope - intercept form in order to find the slope.

The equation in slope -intercept form is given as :

y =mx + c , where m is the slope and c is the y - intercept.

Writing the equation in this form , we have

5x - 4y = + 3

4y = 5x -+3

y = 5x/4 + 3/4

comparing with the equation y = mx + c , then m_{1} = 5/4

Which means that m_{2} = -4/5 and the line passes through the point ( -5 , 2 ).

Using the equation of line in slope - point form  to find the equation of the line;

y - y_{1} = m ( x -  y_{1} )

y - 2 = -4/5 ( x +5)

5(y - 2 ) = -4 ( x + 5 )

5y - 10 = -4x - 20

5y + 4x = - 10

4 0
2 years ago
Pleas help will mark best answer!! <3
natali 33 [55]
You have 4 walls, 2 with length 12 feet, 2 with length 15 feet and each of them has a height of 12 feet
so you sum all the lengths and then multiply it by the height to get the total area

total length=2*(12+15)
=2*(27)
=54
total area=total length*ceiling height
=54*12
=648 feet^2 to cover all walls with wallpaper
8 0
3 years ago
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