3 years ago

Find the answer for this question

Mathematics

1 answer:

Lerok [7]3 years ago

6 0

The answer is letter C

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The elevations of a town is 450 feet above sea level. The elevation of a lake is 25 feet below sea level. What is the difference

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Answer:

425

Step-by-step explanation:

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Integer (-1) c (+5) =

LenKa [72]

-13.5914091423 is what I got from a calculator.

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What is the solution to the equation?

Gelneren [198K]

Answer:

Hello,

answer B

Step-by-step explanation:

$\dfrac{2}{x} -\dfrac{x}{x+5} =\dfrac{10}{x^2+5x} \\\\we\ suppose\ x\neq 0\ and\ x\neq -5\\\\\text{Reducing to the same denominator}\\\dfrac{2(x+5)-x^2}{x(x+5)} =\dfrac{10}{x^2+5x} \\\\Simplify\ by\ x^2+5x\\\\2x+10-x^2=10\\\\-x^2+2x=0\\\\-x(x-2)=0\\\\roots\ are\ 2 \ and\ 0\ (to\ be\ excluded)\\\\Root=2\\$

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3 years ago

Calculate the area of a circle with the radius of 5cm (1dp)

quester [9]

Answer:

25π ≈ 78.5 cm squared

Step-by-step explanation:

Area of circle= πr²

Substitute: π(5)²

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3 years ago

40% of x is 35. What is the equation to find x

Dima020 [189]

Answer:

.40 x = 35 equation

x = 87.5

Step-by-step explanation:

Of means multiply and is means equals

40% * x = 35

Change percent to decimal form

.40 x = 35

Divide each side by .40

.40x/.40 = 35/.40

x = 35/.40

x =87.5

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