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soldi70 [24.7K]

3 years ago

11

6. The function

1 answer:

motikmotik3 years ago

4 0

Creo que la respuesta es C. No soy bueno con el inglés, pero eso es lo que pienso. Lo siento si está mal.

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⚠️WILL GIVE BRAINLIEST ANSWER⚠️

Nataly_w [17]

Answer:

81

Step-by-step explanation:

put -36 over 1 and -4/9 in its reciprocal which is -9/4 and multiply.. -36(-9)=324

then multiply -1 by -4=4 now you have 324/4 which is simplified to 81..

PLEASE GIVE BRAINLIEST REALLY NEED IT

4 0

3 years ago

A particle in the first quadrant is moving along a path described by the equation LaTeX: x^2+xy+2y^2=16x 2 + x y + 2 y 2 = 16 su

ElenaW [278]

Answer:

$\frac{50}{3}$ cm/sec.

Step-by-step explanation:

We have been given that a particle in the first quadrant is moving along a path described by the equation $x^2+xy+2y^2=16$ such that at the moment its x-coordinate is 2, its y-coordinate is decreasing at a rate of 10 cm/sec. We are asked to find the rate at which x-coordinate is changing at that time.

First of all, we will find the y value, when $x =2$ by substituting $x =2$ in our given equation.

$2^2+2y+2y^2=16$

$4-16+2y+2y^2=16-16$

$2y^2+2y-12=0$

$y^2+y-6=0$

$y^2+3y-2y-6=0$

$(y+3)(y-2)=0$

$(y+3)=0,(y-2)=0$

$y=-3,y=2$

Since the particle is moving in the 1st quadrant, so the value of y will be positive that is $y=2$ .

Now, we will find the derivative of our given equation.

$2x\cdot x'+x'y+xy'+4y\cdot y'=0$

We have been given that $y=2$ , $x =2$ and $y'=-10$ .

$2(2)\cdot x'+(2)x'+2(-10)+4(2)\cdot (-10)=0$

$4\cdot x'+2x'-20-80=0$

$6x'-100=0$

$6x'-100+100=0+100$

$6x'=100$

$\frac{6x'}{6}=\frac{100}{6}$

$x'=\frac{50}{3}$

Therefore, the x-coordinate is increasing at a rate of $\frac{50}{3}$ cm/sec.

7 0

3 years ago

Explain how you find the number of ounces in 0.25T

dolphi86 [110]

So first you have to figure out how many pounds are in a ton. Next you have to multiply that by 16. Last divide the result by 4 or 0.25

6 0

3 years ago

Solve 7x-c=k for x<br> ...........

inna [77]

Answer:

The value of x in given question will be $x=\frac{k+c}{7}$

Step-by-step explanation:

Given data:

7x-c=k

Now,

7x-c=K

7x=K+c

$x=\frac{k+c}{7}$

Therefore,

The value of x in given question will be : k+c/7

8 0

3 years ago

Least to greatest 0.7 8/9 .97 2/3 3/5

Setler [38]

Answer:

3/5 2/3 0.7 8/7 .97

Step-by-step explanation:

3/5 =.6

2/3 = .66667

0.7 = .7

8/7 = .88889

.97 = .97

Converted in to decimal point that should be it from least to greatest

5 0

3 years ago