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3 years ago

The sum of two consecutive Integers are 199. Find the Integers

Mathematics

1 answer:

Yanka [14]3 years ago

6 0

Answer:

99 and 100.

Step-by-step explanation:

Let's say the lower number is x. This means that the bigger number would be x+1

x+x+1=199

Simplify

2x+1=199

Subtract 1 on each side of the equation to isolate 2x:

2x=198

Divide

x=99

Let's put this to the test! The lower number(x) is 99, and the bigger number(x+1) would be 100. The total is 199.

Happy learning!

--Applepi101

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Give the set of four quantum numbers that could represent the last electron added (using the Aufbau principle) to the Cl atom.A)

leva [86]

Answer:

n=3, l=1, ml=1ms=+1/2

Step-by-step explanation:

The electron configuration of chlorine atom is; [Ne] 3s² 3p⁵.

This means that the last electron is found in a 3pz orbital.

We can see that the principal quantum number is 3. The electron is in a p orbital so l=1, the electron must be found in a 3pz orbital hence ml=1. The electron is found alone in that orbital hence s= 1/2.

4 0

3 years ago

timf 3 số tự nhiên lẻ liên tiếp, biết tích của hai số lớn nhất lớn hơn 6 lần số bé nhất là 177 đơn vị

Murljashka [212]

Answer:

13, 15, 17

Step-by-step explanation:

Gọi 3 STN lẻ cần tìm là a, a+2, a+4 (a thuộc N*)

Theo đề bài ta có:

(a + 2)(a + 4) - 177 = 6a

=> a^2 + 4a + 2a + 8 = 6a + 177

=> a^2 + 6a + 8 = 6a + 177

=> a^2 + 6a - 6a = 177 - 8 (chuyển vế)

=> a^2 = 169 = 13^2

=> a = 13

=> a+2 = 15, a+4 = 17

Vậy 3 STN lẻ cần tìm là 13, 15, 17

7 0

3 years ago

Solve the following equation using the zero product property (x+9)(4x-1)=0

Paha777 [63]

Answer:

x = -9 x = 1/4

Step-by-step explanation:

(x+9)(4x-1)=0

Using the zero product property

x+9=0 4x-1=0

x= -9 4x =1

x = 1/4

8 0

4 years ago

What is the correct equilibrium constant expression for this equation? 2 upper C upper o upper F subscript 2 (g) double arrow up

Alekssandra [29.7K]

The correct equilibrium constant expression for this equation is;

$\rm K_{eq}=\dfrac{(C0_2)(CF_4)}{(COF_2)^2}$

Given

Consider the equation below.

$\rm {2COF_2(g)}\rightleftharpoons C0_2(g)+CF_4(g)$

<h3>What are Species?</h3>

In an equilibrium constant expression, you do not include the solid substances; only gases and dissolved substances.

<h3>Equilibrium constant expression;</h3>

It is the quotient of the product of the concentrations of the species on the right-hand side of the equilibrium equation, each raised to its corresponding coefficient, and the product of the concentrations of the species on the left-hand side, each raised to its corresponding coefficient.

Therefore,

The correct equilibrium constant expression for this equation is;

$\rm K_{eq}=\dfrac{(C0_2)(CF_4)}{(COF_2)^2}$

Hence, the correct equilibrium constant expression for this equation is;

$\rm K_{eq}=\dfrac{(C0_2)(CF_4)}{(COF_2)^2}$ .

To know more about Equilibrium constant click the link is given below.

brainly.com/question/19240570

3 0

2 years ago

Factor of 4-(2a+3b)^2

Anna71 [15]

$4-(2a+3b)^2$

$(2a+3b)^2 :$

$4a^2+12ab+9b^2$

$= 4-(4a^3+12ab+9b^2)$

$=-(4a^2)-(12ab)-(9b^2)$

apply minus - plus rules :

$+(-a)=-a$

Refine:

$=-4-4a^2-12ab-9b^2$

<span>hope this helps!</span>

7 0

3 years ago