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3 years ago

What's the answer for 2p+5r=q for p

Mathematics

1 answer:

Anna11 [10]3 years ago

8 0

If you're solving for p, it would look like this: p = q/2 - 2.5r.

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kolbaska11 [484]

Answer:

$\frac{dy}{dx} = \frac{ \sin(y) - y \cos(x) }{ \sin(x) - x \cos(y) }$

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3 years ago

If <br>4x+(y+x)=180<br>what is x? what is y?

uysha [10]

Step-by-step explanation:

$4x+(y+x)=180\\\\\text{Solve for}\ x:\\\\4x+y+x=180\qquad\text{combine like terms}\\\\(4x+x)+y=180\qquad\text{subtract}\ y\ \text{from both sides}\\\\5x=180-y\qquad\text{divide both sides by 5}\\\\\dfrac{5x}{5}=\dfrac{180-y}{5}\\\\\boxed{x=\dfrac{180-y}{5}}\\\\\text{Solve for}\ y:\\\\5x+y=180\qquad\text{subtract}\ 5x\ \text{from both sides}\\\\\boxed{y=180-5x}$

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3 years ago

Pls fast,i need it<br> ..............................

Ghella [55]

Answer:

hints to solve each. partial answer due to lack of time, hope it helps!

Step-by-step explanation:

a) solve ():

5 $\sqrt{3}$ + 7 $\sqrt{3}$ - 9 $\sqrt{3}$ - 6 $\sqrt{3}$ + 12 $\sqrt{3}$ - 10 $\sqrt{3}$ =

$\sqrt{3}$ . (5 +7-9-6+12-10)

b) use $\sqrt{6\\}$ = $\sqrt{3\\}\\\\$ $\sqrt{2\\}\\\\$

c) use $\sqrt{20\\}$ = $\sqrt{4\\}\\\\$ $\sqrt{5\\}\\\\$ = 2 $\sqrt{5\\}\\\\$

use $\sqrt{8\\}$ = $\sqrt{4\\}\\\\$ $\sqrt{2\\}\\\\$ = 2 $\sqrt{2\\}\\\\$

a) use $\sqrt{30\\}$ = $\sqrt{6}$ $\sqrt{5}$

use $\sqrt{30\\}$ = $\sqrt{6}$ $\sqrt{4}$ = 2 $\sqrt{6}$

6 0

2 years ago

Please help. Don’t understand this math problem!!!

anzhelika [568]

Answer:

the line will have a point at -5, as that is it's y- intercept, and the slope is one so each following point is one diagonal to it on the right side, as the slope is positive

Step-by-step explanation:

3 0

3 years ago

two trains ,each 100 m long,moving in opposite directions ,cross each other in 8 seconds .if one is moving twice as fast as the

Feliz [49]

Answer:

60 km/hr

Step-by-step explanation:

100+100

_______ =3x

3x= 200/8

x=200/24 mps

=30mph

final speed is 60km/hr because its 2x's more =2*30=60

8 0

3 years ago