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Natalija [7]
3 years ago
12

Slope is so hard i dont know how to do it pls help

Mathematics
2 answers:
Dvinal [7]3 years ago
7 0

Answer:

2/5

Step-by-step explanation:

-5y = -2z +9

5y = 2z -9

y = 2/5z -9/5

Salsk061 [2.6K]3 years ago
4 0

Answer:

a 2/5

Step-by-step explanation:

have a good day /night may i please have a branlliest

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HELPPPPPPPP<br><br> In WXY, y=690 cm, w=440 cm and angle X=163°. Find angle W to the nearest degree
Ede4ka [16]

Answer:

The angle W is approximately 7°.

Step-by-step explanation:

Since angle X is adjacent to sides y and w and opposite to side x, we calculate the length of side x by Law of the Cosine:

x = \sqrt{y^2+w^2-2\cdot y\cdot w \cdot \cos X} (1)

Where:

y, z - Side lengths, in centimeters.

W - Angle, in sexagesimal degrees.

If we know that y = 690\,cm, w = 440\,cm and X = 163^{\circ}, then the length of the side x is:

x = \sqrt{y^2+w^2-2\cdot y\cdot w \cdot \cos X}

x\approx 1118.199\,cm

By Geometry we know that sum of internal angles in a triangle equals 180°. If X is an obtuse, then Y and W are both acute angles. By Law of the Sine we find angle W:

\frac{x}{\sin X}= \frac{w}{\sin W} (2)

\sin W = \left(\frac{w}{x} \right)\cdot \sin X

W = \sin^{-1}\left[\left(\frac{w}{x} \right)\cdot \sin X\right]

If we know that X = 163^{\circ}, w = 440\,cm and x\approx 1118.199\,cm, then the angle W is:

W = \sin^{-1}\left[\left(\frac{w}{x} \right)\cdot \sin X\right]

W \approx 6.606^{\circ}

Hence, the angle W is approximately 7°.

3 0
3 years ago
Find the missing coordinate to complete the ordered-pair solution to the given linear equation: A) y+6x=5 <br>      (a) (-1,?)  
N76 [4]
A
a) y+6x=5 if x= -1  then y+6(-1)=5 then y = 11
b) same thing if x = 3 then y+6(3)=5 y+18=5  subtract both sides by -18 and leave y on left then add 5+(-18)= 13 then y=13

B same as above
question (a) asks you to solve for y because x is -2
(b) asks you to solve for x because y is known
3x+2y=-6 if y = 3 you write 3x+2(3)=-6 3x+6=-6 move the +6 over to right side by subtracting 6 from both side 3x=-6 + -6 so 3x=-12 to get rid of the 3 and only leave the x you want to divide both side by 3 then x= -12/3 then the answer would be x=-4

4 0
3 years ago
Read 2 more answers
What 10x10x10x10x10x10x10000=
Lilit [14]

Answer:

                      10^6*10000=10,000,000,000

Step-by-step explanation:

3 0
3 years ago
Please I need help ASAP
sergey [27]

Answer:

it is the first one yy,yg,yb,gb,gg,and bb

your welcome

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the differential of each function. (a) y = tan( 5t ) dy = Correct: Your answer is correct. (b) y = 5 − v2 5 + v2
Trava [24]

Answer:

(a)  dy = 5sec^2(5t) \ dt

(a) \ dy = \frac{-20v}{(5+v^2)^2} \ dt

Step-by-step explanation:

Given;

(a) y = tan(5t)

(b) \ y = \frac{5-v^2}{5+v^2}

Solving for (a)

y = tan(5t)

let u = 5t          

⇒y = tan(u)

du/dt = 5

dy/du = sec²u

\frac{dy}{dt} =\frac{dy}{du} *\frac{du}{dt} \\\\\frac{dy}{dt} = sec^2(u)*5\\\\\frac{dy}{dt} = 5sec^2(u)\\\\\frac{dy}{dt} = 5sec^2(5t)

dy = 5sec^2(5t) \ dt

Solving for b;

let u = 5 - v²

du/dv = -2v

let v = 5+ v²

dv/du = 2v

\frac{dy}{dv} = \frac{vdu - udv}{v^2} \\\\\frac{dy}{dv} = \frac{-2v(5+v^2) - 2v(5-v^2)}{(5+v^2)^2}\\\\\frac{dy}{dv} = \frac{-10v-2v^3-10v+2v^3}{(5+v^2)^2}\\\\

\frac{dy}{dv} = \frac{-10v-10v}{(5+v^2)^2}\\\\\frac{dy}{dv} = \frac{-20v}{(5+v^2)^2}\\\\dy = \frac{-20v}{(5+v^2)^2} dt

4 0
3 years ago
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