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3 years ago

5

What root means to make or to do

1 answer:

kompoz [17]3 years ago

3 0

"fic" might be the root

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The value of x in the proportion 1/2:2/3 = 3/4:x is

Ratling [72]

To change 1/2 to 3/4 you multiply by 3/2 so then multiply 3/4 by 3/2 and you get 6/6 or 1...the answer is 1

3 0

2 years ago

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<img src="https://tex.z-dn.net/?f=%20%5Csqrt%5B4%5D16%20-%206%20%5Csqrt%5B3%5D343%20%2B%2018%20%5Csqrt%5B5%5D243%20-%20%20%5Csqr

VladimirAG [237]

Answer:

Step-by-step explanation:

= 2- 6*7 + 18*3 - 14

=2-42+54-14

=2 + 12- 14

= 14-14

=0

6 0

2 years ago

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Valeriya wants to determine the likely voting outcome for the new town council election. Which sample is likely to yield the mos

FromTheMoon [43]

I guess that it would be A because people working in the largest corporation might have differing opinions from people who do not work in big companies/corporations. There's different benefits that people can receive based on their working place. Perhaps the people working in the largest corporation might only represent the upperclass but there's also others who do not work in the corporations and might not have the benefits that one can receive if they have a good pay as the upperclass.

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3 years ago

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A tank holds 300 gallons of water and 100 pounds of salt. A saline solution with concentration 1 lb salt/gal is added at a rate

Shkiper50 [21]

The amount of salt in the tank changes with rate according to

$Q'(t)=\left(1\dfrac{\rm lb}{\rm gal}\right)\left(4\dfrac{\rm gal}{\rm min}\right)-\left(\dfrac{Q(t)}{300+(4-1)t}\dfrac{\rm lb}{\rm gal}\right)\left(1\dfrac{\rm gal}{\rm min}\right)$

$\implies Q'+\dfrac Q{300+3t}=4$

which is a linear ODE in $Q(t)$ . Multiplying both sides by $(300+3t)^{1/3}$ gives

$(300+3t)^{1/3}Q'+(300+3t)^{-2/3}Q=4(300+3t)^{1/3}$

so that the left side condenses into the derivative of a product,

$\big((300+3t)^{1/3}Q\big)'=4(300+3t)^{1/3}$

Integrate both sides and solve for $Q(t)$ to get

$(300+3t)^{1/3}Q=(300+3t)^{4/3}+C$

$\implies Q(t)=300+3t+C(300+3t)^{-1/3}$

Given that $Q(0)=100$ , we find

$100=300+C\cdot300^{-1/3}\implies C=-200\cdot300^{1/3}$

and we get the particular solution

$Q(t)=300+3t-200\cdot300^{1/3}(300+3t)^{-1/3}$

$\boxed{Q(t)=300+3t-2\cdot100^{4/3}(100+t)^{-1/3}}$

5 0

2 years ago

The measures of the angles of a triangle are shown in the figure below. Solve for x.

Sindrei [870]

Answer:

x=5

Step-by-step explanation:

We know that the angels in a triangle are equal to 180.

(6x+20)+(7x-10)+105=180

We open the prentices and simplify.

13x+115=180

Now we can subtract 115 on both sides.

13x=65

At last, we can divide by 13 on both sides to get the result of x.

x=5

8 0

2 years ago