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2 years ago

Which set of side lengths forms a right triangle?

Mathematics

1 answer:

sergij07 [2.7K]2 years ago

5 0

Answer:

My guess is 9,12 ,18

Step-by-step explanation:

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Which situation is an example of an observational study?

user100 [1]

Answer:

Step-by-step explanation:

6 0

2 years ago

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Identify the x-intercept of m(x). <br> m(x)=x^2-2x-8/x^2-x-2

SpyIntel [72]

Answer:

$\large\boxed{x-intercepts:-2\ and\ 4}$

Step-by-step explanation:

$m(x)=\dfrac{x^2-2x-8}{x^2-x-2}\\\\\text{At the beginning we de}\text{fine the domain:}\\\\D:x^2-x-2\neq0\\\\x^2-2x+x-2\neq0\\x(x-2)+1(x-2)\neq0\\(x-2)(x+1)\neq0\iff x-2\neq0\ \wedge\ x+1\neq0\\\boxed{x\neq2\ \wedge\ x\neq-1}\\================================\\\text{The x-intercept is for}\ m(x)=0.\ \text{Therefore we have the equation:}\\\\\dfrac{x^2-2x-8}{x^2-x-2}=0\iff x^2-2x-8=0\\\\x^2+2x-4x-8=0\\x(x+2)-4(x+2)=0\\(x+2)(x-4)=0\iff x+2=0\ \vee\ x-4=0\\\\x=-2\in D\ \vee\ x=4\in D$

4 0

2 years ago

5h/4 , for h = -8 i need in a sentence

never [62]

Answer:

5*(-8)/4 = -10

Step-by-step explanation:

If h equals -8 the answer is -10

8 0

3 years ago

Solve the following inequalities.

Airida [17]

$-4x-2$

Add 2 to both sides:

$-4x$

Divide both sides by -4 (this is negative, so we have to swap the inequality sign):

$x>\dfrac{5}{2}$

$2(y-4)\leq 10-y$

Expand the left hand side:

$2y-8\leq 10-y$

Add 8 and y to both sides:

$3y\leq 18$

Divide both sides by 3

$y \leq 6$

3-4

Nothing different from 1 and 2, apply the same logic (expand sides, gather constant and non-constant terms together, solve for the variable) and you will solve them

6 0

3 years ago

Is 7/20 equal to 0.07

KonstantinChe [14]

$0.07=\frac{7}{100}\neq\frac{7}{20}\\\\Answer:\boxed{NO:\ \frac{7}{20}\neq0.07}$

6 0

3 years ago

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