2 years ago

Write One equivalent expression to: 90 + 10x

Mathematics

2 answers:

alisha [4.7K]2 years ago

8 0

Answer: $10(9+x)$

Step-by-step explanation:

Factor 10 out of 90+10x

Reorder 90 and 10x..

BARSIC [14]2 years ago

7 0

Answer:

An equivalent expression could be:

$45 + 5x$

Step-by-step explanation:

You can just divide the equation by 2 or you can multiply it by 2 or 5 or what ever, its gonna be equivalent.

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3 years ago

The frequency (F) and length (L) of a wave are related by the following formula: F x L = 3.0 x 10^10. Consider that the waveleng

Ede4ka [16]

F x L = 3x10^10
L = 1x10^-11
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3 years ago

Can you help me i dont know thw anwser

Margaret [11]

$\text{Let the side of square 1, square 2 and square 3 be x, y and z respectively.}\\\\\text{Given that,}\\\\\text{Perimeter of square 1,~~ p =100 units.}\\\\\text{So}~ x=\dfrac p 4 = \dfrac{100}4 =25~\text{units.}\\\\\\\text{Area of square 2, a = 225 units}^2\\\\\text{So}~y = \sqrt{a} = \sqrt {225} = 15~ \text{units.}\\\\\text{Use Pythagorean theorem to find z}^2\\\\x^2 =y^2 +z^2 \\\\\implies 25^2 = 15^2 +z^2\\\\\implies z^2 = 625 - 225 = 400\\\\\\$