ANSWER ASAP WILL GIVE BRAINLIEST; QUESTIONS ARE IN PICTURE

Mathematics

1 answer:

lord [1]3 years ago

6 0

Answer:

below( hope this helps )

Step-by-step explanation:

2. No because we don't know if the triangles are right triangles.

3. unknown since there are no labels to what the triangle points are

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3. Three times a number is seven more than double the number. What is the number?

victus00 [196]

Answer:

Step-by-step explanation:

3 * 7 = 21

21 - 7 = 14

7*2 =14

3 0

2 years ago

What’s the difference quotient simplified

mihalych1998 [28]

$\text{Use}\ (a+b)^3=a^3+3a^2b+3ab^2+b^3\\\\f(x+h)\to\text{exchange x to x + h}\\\\f(x)=x^3+3x\\\\f(x+h)=(x+h)^3+3(x+h)\\\\f(x+h)=x^3+3x^2h+3xh^2+h^3+3x+3h\\\\\dfrac{f(x+h)-f(x)}{h}=\dfrac{x^3+3x^2h+3xh^2+h^3+3x+3h-(x^3-3x)}{h}\\\\=\dfrac{x^3+3x^2h+3xh^2+h^3+3x+3h-x^3-3x}{h}\\\\=\dfrac{(x^3-x^3)+3x^2h+3xh^2+h^3+(3x-3x)+3h}{h}\\\\=\dfrac{3x^2h+3xh^2+h^3+3h}{h}\\\\=\dfrac{h(3x^2+3xh+h^2+3)}{h}\\\\=\boxed{3x^2+3xh+h^2+3}$