Another name for a Lewis structure is a(n) _____ formula.a. bent
b. linear
c. tetrahedral
d. electron dot

Answers

Answer 1

Answer: The correct answer is most likely D. Bent, linear, and tetrahedral all refer to molecular geometry or shape (VSEPR theory). Lewis structures are basically diagrams which shows you where electrons are on a molecule using dots to represent electrons which is why they are sometimes referred t as electron dot diagrams or Lewis dot diagrams.

I hope this helps. Let me know if anything is unclear.

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Can someone please help me with absolute value? It has to eb turned in tonight and I don't understand how to solve.. I would really appreciate it!!!

Answers

Answer:

a. |x - 1.5| < 0.125

b. -0.125 < x - 1.5 < 0.125

c. 1.375 < x < 1.625

d. Bolt has to be greater than 1.375 inches and less than 1.625 inches to be within the margin of error of 0.125 inches.

e. One acceptable length for a bolt is 1.4 inches.

f. One non-acceptable length for a bold is 1.7 inches.

Step-by-step explanation:

Solve for x:

-0.125 < x - 1.5 < 0.125

-0.125 < x - 1.5 and x - 1.5 < 0.125

1.375 < x x < 1.625

Write this as: 1.375 < x < 1.625

Find the value of k such that (k, k) is equidistant from (−2, 0) and (0, 5). k =____

Answers

To find the value of k such that (k, k) is equidistant from (-2, 0) and (0, 5), we can use the distance formula.

The distance between two points (x1, y1) and (x2, y2) is given by the formula:

Distance = √((x2 - x1)² + (y2 - y1)²)

Let's calculate the distances from (k, k) to (-2, 0) and (0, 5) and set them equal to each other:

√((k - (-2))² + (k - 0)²) = √((k - 0)² + (k - 5)²)

Simplifying this equation:

√((k + 2)² + k²) = √(k² + (k - 5)²)

Squaring both sides of the equation to eliminate the square roots:

(k + 2)² + k² = k² + (k - 5)²

Expanding and simplifying:

k² + 4k + 4 + k² = k² + k² - 10k + 25

2k² + 4k + 4 = 2k² - 10k + 25

Rearranging terms:

4k + 4 = -10k + 25

Combining like terms:

14k = 21

Dividing both sides by 14:

k = 21 / 14

Simplifying the fraction:

k = 3 / 2

Therefore, the value of k that makes (k, k) equidistant from (-2, 0) and (0, 5) is k = 3/2.

Solve the following equation. Remember to check for extraneous solutions 7/(b+3) + 5/(b-3) = (10b-2)/(b²-9).

Answers

Answer:

b= 2 is the solution for the given equation.

Step-by-step explanation:

Here, the given expression is:

$(7)/((b+3)) + (5)/((b-3)) = (10b -2)/((b^(2) -9))$

Simplifying Left side, we get

$(7)/((b+3)) + (5)/((b-3))$

= $(7(b-3) + 5(b+3))/((b+3)(b-3))$

Also, by ALGEBARIC IDENTITY: $x^(2) -y^(2) = (x+y)(x-y)$

So, $(b+3)(b-3) = b^(2) -9$

So, LHS becomes $(7(b-3) + 5(b+3))/(b^(2) -9)$

Compare both Left side, Right side we get

$(7(b-3) + 5(b+3))/(b^(2) -9)$ = $(10b -2)/((b^(2) -9))$

or, 7(b-3) + 5(b+3) = 10b -2

⇒ 7b - 21 + 5b + 15 = 10b -2

or, 12b - 10b = 6-2

or, 2b = 4 ⇒ b = 4/2 = 2

⇒ b= 2 is the solution for the given equation.

Which of the following is a result of shifting a circle with equation (x + 3)2 + (y - 2)2 = 36 right 3 units?A. The y-coordinate of the center of the circle decreases by 3.
B. The y-coordinate of the center of the circle increases by 3.
C. The x-coordinate of the center of the circle increases by 3.
D. Both the x- and y-coordinates of the center of the circle increase by 3.

Answers

Answer:

Option C is correct that is the x-coordinate of the center of the circle increases by 3.

Step-by-step explanation:

The given equation is:

$(x+3)^2+(y-2)^2=36$

Since, the circle is shifted right 3 units

There, will be no change in y-axis because it is horizontal change.

So, Option A,B and D are discarded.

Therefore, Option C is correct that is the x-coordinate of the center of the circle increases by 3.

Answer:

Optcion c

Step-by-step explanation:

slay

Tile costs $28 per square meter. how much will it cost to cover the countertop with new tile? (48 square Feet)

Answers

You multiply 48 by28. You get 1344.So it would cost $1,344.00.

Power is measured in which unit? joules watts meters per second newtons per meter

Answers

The standard unit for the measurement of power is known as: B. Watts.

What is measurement?

Measurement is a process through which the size, magnitude or other physical quantities that are associated with an object is taken, especially for the purpose of a scientificresearch (experiment).

In Science, some of the standard unit of measurements with the correct physical quantities include the following: