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3 years ago

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Use the periodic table to select the element that best fits each of the following descriptions. Which elements likely conduct el

ectricity well? Check all that apply. Chromium iodine carbon calcium osmium.

1 answer:

3241004551 [841]3 years ago

3 0

Answer:

The answer is:

A) Chromium

Option D) Calcium

Option E) Osmium

The next ones are: helium and sodium.

Explanation:

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Three times the square of a number is greater than a second number. the square of the second number increased by 6 is greater th

WITCHER [35]

The system of inequalities that represents the given criteria are 3x² > y and y² + 6 > x.

<h3>How to solve Algebra Word Problems?</h3>

Let the first number be x and the second number be y.

We are told that three times the square of a number is greater than a second number. Thus; 3x² > y

Now, The square of the second number increased by 6 is greater than the first number. Thus;

y² + 6 > x

Thus, the system of inequalities that represents the given criteria are 3x² > y and y² + 6 > x.

where;

x is first number and y is second number.

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2 years ago

3x + 4y = -23<br> 2y - x = -19<br><br> What is the solution (x, y) to the system of equations above?

mash [69]

X=3 and y=-8

I solved using substitution, but you can also use elimination. x = 2y+19, find x, then find y.

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3 years ago

1. Let us say you get a bad grade while you are expecting an “A”. What do you do?

slega [8]

Answer:

I would be disappointed in myself and probably think I am stupid.

Hope this helps/ have a great day/night!

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3 years ago

Read 2 more answers

The article recommends you heavily consider your expected starting salary after graduation. Why do you think this is an importan

Alona [7]

The article recommendation is an important factor to keep in mind when making a decision because the starting salary is not always the best

<h3>What does the article recommend?</h3>

The article tries to encourage the student on the fact that their first salary may not be sufficient for their need at initial stage.

The article explains that the salary might cause financial stress until they goes up, hence, they have to be careful when taking this into consideration

In conclusion, the article recommendation is an important factor to keep in mind when making a decision because the starting salary is not always the best

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3 years ago

Evaluate the line integral, where c is the given curve. C (x/y) ds, c: x = t3, y = t4, 1 ≤ t ≤ 4.

skelet666 [1.2K]

We have

x = t³ ===> dx/dt = 3t²

y = t⁴ ===> dy/dt = 4t³

Then with the given parameteriztion, the line integral along C of x/y is

$\displaystyle \int_C \frac xy \, ds = \int_1^4 \frac{t^3}{t^4} \sqrt{(3t^2)^2 + (4t^3)^2} \, dt$

$\displaystyle \int_C \frac xy \, ds = \int_1^4 \frac1t \sqrt{9t^4 + 16t^6} \, dt$

$\displaystyle \int_C \frac xy \, ds = \int_1^4 \frac{\sqrt{t^4}}t \sqrt{9 + 16t^2} \, dt$

$\displaystyle \int_C \frac xy \, ds = \int_1^4 \frac{t^2}t \sqrt{9 + 16t^2} \, dt$

$\displaystyle \int_C \frac xy \, ds = \int_1^4 t \sqrt{9 + 16t^2} \, dt$

$\displaystyle \int_C \frac xy \, ds = \frac1{32} \int_1^4 32t \sqrt{9 + 16t^2} \, dt$

$\displaystyle \int_C \frac xy \, ds = \frac1{32} \int_1^4 \sqrt{9 + 16t^2} \, d\left(9+16t^2\right)$

$\displaystyle \int_C \frac xy \, ds = \frac1{32} \cdot \frac23 \left(9+16t^2\right)^{\frac32}\bigg|_1^4$

$\displaystyle \int_C \frac xy \, ds = \frac1{48} \left(265^{\frac32} - 25^{\frac32}\right) = \boxed{\frac{265\sqrt{265}-125}{48}}$

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2 years ago