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likoan [24]
2 years ago
15

HELP ITS FOR 25 POINTS, i really needa finish

Mathematics
1 answer:
SSSSS [86.1K]2 years ago
8 0

Answer:

Which gas creates the longest wavelength?

→Argon gas

Which gas creates the shortest wavelength?

→ Fluorine gas

Explaination:

1.0×10^-6 > 1.0×10^-7 > 1.0×10^-10 (a^-n =1/a^n)

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Find the measure of the missing ANGLE.
maria [59]

Answer:

m<G = 55°

Step-by-step explanation:

m<G = (1/2)[m(arc)LE - m(arc)HF]

m<G = (1/2)[150° - 40°)

m<G = 110°/2

m<G = 55°

3 0
2 years ago
PLEASE HELP! I WILL MARK AS BRAINLIEST!! I REALLY NEED SOMEONES HELP!
Andrej [43]

Since this is subtraction, everything must be turned negative in the second polynomial.

(6x^2 - 5x) - (2x^2 + 3x - 2)

6x^2 - 5x - 2x^2 - 3x - (-2)

6x^2 - 5x - 2x^2 - 3x + 2

Now, reorder the terms to make it easier.

6x^2 - 2x^2 - 5x - 3x + 2

Now, just combine like terms.

4x^2 - 5x - 3x + 2

4x^2 - 8x + 2

There’s the answer!

Please consider marking this answer as Brainliest to help me advance.

4 0
3 years ago
3+5=5+ 3•5=5•2+(-2)=0TRUE OR FALSE ? ( for all three of them )
Savatey [412]

Take into account that commutative property is present for addition and multiplication operations, then, you have:

3+5=5+3 TRUE

3·5 = 5·3 TRUE

The inverse addition of a number consists in adding the same numbers but with opposite signs, then, you have:

2 + (-2) = 0 TRUE

7 0
1 year ago
Slove the equation V=(20-2x)(15-2x)(x) for V
Schach [20]

Answer:

V = 300x + -70x2 + 4x3

Step-by-step explanation:

Simplifying

V = (20 + -2x)(15 + -2x)(x)

Reorder the terms for easier multiplication:

V = x(20 + -2x)(15 + -2x)

Multiply (20 + -2x) * (15 + -2x)

V = x(20(15 + -2x) + -2x * (15 + -2x))

V = x((15 * 20 + -2x * 20) + -2x * (15 + -2x))

V = x((300 + -40x) + -2x * (15 + -2x))

V = x(300 + -40x + (15 * -2x + -2x * -2x))

V = x(300 + -40x + (-30x + 4x2))

Combine like terms: -40x + -30x = -70x

V = x(300 + -70x + 4x2)

V = (300 * x + -70x * x + 4x2 * x)

V = (300x + -70x2 + 4x3)

Solving

V = 300x + -70x2 + 4x3

Solving for variable 'V'.

Move all terms containing V to the left, all other terms to the right.

Simplifying

V = 300x + -70x2 + 4x3

6 0
3 years ago
What 20% of 21 bucks
Blababa [14]

Answer: 4.2

Step-by-step explanation: 20 x 21

100

= 4.2

8 0
3 years ago
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