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3 years ago

12

Please help me with this!

2 answers:

balu736 [363]3 years ago

7 0

night one -10 degree farenhite !!!

lapo4ka [179]3 years ago

6 0

Night 1 -10° Fahrenheit

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differentiate please.. <br><br>y= √x +6 ÷ √x-6

Ierofanga [76]

$\bf y=\cfrac{\sqrt{x}+6}{\sqrt{x}-6}\implies \cfrac{dy}{dx}=\stackrel{quotient~rule}{\cfrac{\frac{1}{2}x^{-\frac{1}{2}}(\sqrt{x-6})~~-~~(\sqrt{x}+6)\frac{1}{2}x^{-\frac{1}{2}}}{(\sqrt{x}-6)^2}}$

$\bf \cfrac{dy}{dx}=\cfrac{\frac{1}{2}x^{-\frac{1}{2}}~(\underline{\sqrt{x}}-6~-~\underline{\sqrt{x}}-6)}{(\sqrt{x}-6)^2}\implies \cfrac{dy}{dx}=\cfrac{\frac{1}{2}x^{-\frac{1}{2}}(-12)}{(\sqrt{x}-6)^2}
\\\\\\
\cfrac{dy}{dx}=\cfrac{\frac{-12}{2\sqrt{x}}}{(\sqrt{x}-6)^2}\implies \cfrac{dy}{dx}=\cfrac{\frac{-6}{\sqrt{x}}}{(\sqrt{x}-6)^2}\implies 
\cfrac{dy}{dx}=\cfrac{-6}{\sqrt{x}(\sqrt{x}-6)^2}$

4 0

4 years ago

The lengths of the sides of a triangle are consecutive even integers. one fourth of the perimeter is one less than the length of

tia_tia [17]

Answer:

36

Step-by-step explanation:

Let the shortest side be x, the other sides are x + 2 and x + 4

<u>Perimeter is:</u>

P = x + (x + 2) + (x + 4) = 3x + 6

<u>It is given that:</u>

1/4P = x - 1

<u>Substitute and solve for x:</u>

1/4(3x + 6) = x - 1
3x + 6 = 4x - 4
4x - 3x = 6 + 4
x = 10

<u>Perimeter is:</u>

P = 3*10 + 6
P = 36

3 0

3 years ago

Read 2 more answers

Plz please help❤️ With only 5 please

Rufina [12.5K]

Answer:

4. -1/2 and 2

5. N and R

Step-by-step explanation:

Well if you want me too do 5 I’ll do 4 too.

So for #4 it’s actually pretty simple we just have to seperate y that’s it.

So first we have to get y by itself by subtracting 3x to the other side so the equation looks like this now $6y=-3x+12$ .

Now we have to take away the 6 and to do that we divide it to all the numbers and variables. Which gets us $y=-1/2x+2$ .

So m and b are -1/2 and 2.

So we have to graph y = -1/2x + 2 so look at the image below.

So looking at the image we can see it passes through the points N and R.

6 0

3 years ago

Read 2 more answers

Determine whether the triangle can have sides of the given lengths. 3 cm. 10 cm. 8 cm

grigory [225]

Answer:

Yes

The inequality of the triangle:

$a < b+c,\ b< a+c,\ c$

Step-by-step explanation:

$10$

$3$

$8$

The inequality works, therefore these sides can make a triangle

7 0

3 years ago

Help, please. My assignment is past due so pls hurry.

saw5 [17]

Answer:

X=8

Step-by-step explanation:

46+9x-8=14x-2

46-8+2=14x-9x

40=5x

8=x

5 0

3 years ago

Read 2 more answers