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3 years ago

Name the relationship: complementary, linear pair, vertical, adjacent.

Mathematics

1 answer:

skelet666 [1.2K]3 years ago

5 0

I hope this helps you

if two angles sum is 90 degree their relationships is vertical

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Jack broke up 5×216 as (5x200)+(5x16) to multiply mentally.What strategy did jack use.

Marizza181 [45]

The strategy is called expanding notation because you are expanding that problem into small equations :)

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3 years ago

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HELP HELP HELP HELP 16 POINTS!

Mice21 [21]

Answer:

702 i think

Step-by-step explanation:

13 x 6 x 9

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2 years ago

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Dupe age and olu age add up to 25 years eight years ago,Dupe was twice as old as olu.How old are they?

lana66690 [7]

Answer:

dupe is 20, olu is 5

Step-by-step explanation:

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3 years ago

7th grade math help me pleasee:)

fomenos

Answer:

Step-by-step explanation:

4^2 +5*3^2 -4^2 / 2^3

order of operations says to do first parenthesis, exponents, then division and multiplication

first the exponents

4^2 = 16

3^2= 9

4^2=16

2^3=8

16+ 5*9-16/8

then multiply 5*9

=16+ 45 -16/8

simplify the fraction

=16+ 45 -2

add them

=59

i hope this helps

5 0

3 years ago

For the current reaction, 2NO2 ↔ N2O4, we have:

vivado [14]

<h3>Answer:</h3>

$\displaystyle K_c \approx 0.0424$

<h3>General Formulas and Concepts:</h3>

<u>Math</u>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Equilibrium</u>

Equilibrium Constant K
Concentrations - Denoted in [Brackets]

<h3>Step-by-step explanation:</h3>

<u>Step 1: Define</u>

[RxN] 2NO₂ ⇆ N₂O₄

[Equilibrium Rate Law] $\displaystyle K_c = \frac{[N_2O_4]}{[NO_2]^2}$

NO₂ = 11.95 M

N₂O₄ = 6.05 M

Substitute [ERL]: $\displaystyle K_c = \frac{[6.05]}{[11.95]^2}$
Exponents: $\displaystyle K_c = \frac{[6.05]}{[142.803]}$
Divide: $\displaystyle K_c = 0.042366$
Round (Sig Figs): $\displaystyle K_c \approx 0.0424$

This value of K tells us that the reactants are favored in the equilibrium reaction (K < 0.1).

4 0

3 years ago