christianfielding336
01.02.2021 •
Mathematics
I need help with this geometry question
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Ответ:
x=9; JL= 23
Step-by-step explanation:
To find x:
If JL and KM are equivalent, then JL = KM. Substitute the equations and you get 2x+5 = 7x-40.
Put the similar terms on the same side by subtracting 2x from both sides and adding 40 to both sides. You will get 45=5x.
Get x alone by dividing both sides by 5 and you will get 9=x.
To find JL:
Substitute the x in 2x+5 (JL length equation) with 9. Your new equation will be 2(9) + 5.
2•9 = 18.
18+5=23
Ответ:
g(x) = 4x² - x
General Formulas and Concepts:
Algebra II
Functions
Function NotationPiecewise FunctionsCalculus
Integration
IntegralsIntegral NotationIntegration Constant CIntegration Rule [Reverse Power Rule]:
Integration Property [Multiplied Constant]:
Integration Property [Addition/Subtraction]:
Step-by-step explanation:
*Note:
Integrating a piecewise function requires you to integrate both parts.
Step 1: Define
Identify.
Step 2: Find function g(x)
We can see that the 2nd part of the piecewise function already has been integrated:
[Integral] Set up: [Integral] Rewrite [Integration Property - Multiplied Constant]: [Integral] Integrate [Integration Rule - Reverse Power Rule]:To find function g(x), we simply have the same setup:
[Integral] Set up: [Integral] Rewrite [Integration Rule - Addition/Subtraction]: [Integrals] Rewrite [Integration Property - Multiplied Constant]: [Integrals] Integrate [Integration Rule - Reverse Power Rule]: Simplify: Redefine:The integration constant C is already included in the answer, so our answer is g(x) = 4x² - x.
Topic: AP Calculus AB/BC (Calculus I/I + II)
Unit: Integration (Applications)