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Komok [63]
3 years ago
6

Question as attached screenshot

Mathematics
1 answer:
olga nikolaevna [1]3 years ago
3 0

Answer:

m= -2 c= -1

Step-by-step explanation:

2x+3y+1=0

3y= -2x-1

You might be interested in
Write the equation of the line perpendicular to 2x-3y=12 which passes through the point (16,-7).
Elanso [62]
Y= mx+b

(16, -7) = (x,y)

2(16) - 3y = 12
32 - 3y = 12
32 - 12 = 3y
20/3 = y
6.6 = y

2x-3(-7) = 12
2x+21 = 12
2x = 12 - 21
x = -9/2

Insert the values into y = mx + b
solve for m and then solve for b 

3 0
3 years ago
I need help with both of these questions.
grigory [225]

Answer:

1) b=14.34 units.

2) a=20.48 units

Step-by-step explanation:

since, the triangle is a right angled triangle so we can use the trignometric identity in order to find the values of a and b.

let the base be denoted by 'B'.

height or perpendicular side of the triangle be denoted by 'P'.

and hypotenuse of the triangle be denoted by 'H'.

then using sine and cosine trignometric identity we have:

\sin x=\dfrac{P}{H}

and \cos x=\dfrac{B}{H}

Here x=35°

and H=25 units , P=b and B=a

Hence \sin 35=\dfrac{b}{25}

as  \sin 35=0.573576

hence, b=14.3394 units.

also \cos35=\dfrac{a}{25}

and \cos35=0.819152

Hence a=20.4788 units

In two decimal places we could represent it as:

a=20.48 units

and b=14.34 units.

6 0
3 years ago
Another one omg this is annoying
Alexeev081 [22]

Answer:

Correct option: first one

Step-by-step explanation:

The equation f(x) = 5x + 1 is a function, because each value of x gives only one  value of y.

Now let's find the inverse by switching f(x) by x and x by f'(x), then isolating f'(x):

x = 5f'(x) + 1

5f'(x) = x - 1

f'(x) = \frac{x - 1}{5}

The inverse f'(x) is also a function, because each value of x gives only one value of x.

So we have that both the equation and its inverse are function, therefore the correct answer is the first option.

7 0
3 years ago
WILL MARKBRANLIEST<br> ...
MA_775_DIABLO [31]
Make ratios.

12/16: 15/x

cross multiply

12(x) = 12x
16(15) = 240

12x = 240

isolate the x, divide 12 from both sides

12x/12 = 240/12

x = 20

D) 20 km is your answer

hope this helps
5 0
3 years ago
What percent of $5x$ is equal to $x/5$?
amm1812

Answer:

4%

Step-by-step explanation:

Let y% of 5x is equal to \frac{x}{5}.

y\% \: of \: 5x =  \frac{x}{5}  \\  \\  \therefore \:  \frac{y}{100}  \times 5x =  \frac{x}{5}  \\  \\ \therefore \:  y =  \frac{x}{5 \times 5x}  \times 100 \\  \\ \therefore \:  y =  \frac{1}{25}  \times 100 \\  \\ \therefore \:  y = 4 \\  \\  \therefore \: 4\% \: of \: 5x \:  is \: equal \: to \:  \frac{x}{5}

3 0
3 years ago
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