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Temka [501]
4 years ago
8

Evaluate ∫ e3x dx. A. e3x + C B.1/ e4x+C 4 C. e4x + C D. 1/3 e3x + C

Mathematics
1 answer:
ira [324]4 years ago
5 0
Since the integral of (e^ax)dx = (1/a)(e^ax) + C, then in this case, we can let a = 3, and follow the formula to integrate this.
integral of (e^3x)dx = (1/3)(e^3x) + C, where C is an arbitrary constant.
This is choice D.
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A line of levels is run from point A (elevation 512.53 ft) to point B to determine its elevation. The value so obtained is 521.9
lana [24]

Answer:

d ) None of the above

Step-by-step explanation:

  • The measured distance between point A and B = 521.96 ft - 512.53 ft = 9.43ft

  • If bottom 0.04ft have been worn away, this implies there will be a decrease in the measurement scale, as such ;
  • Actual measurement = 9.43ft - 0.04 x 18(18 different instrument setups) = 8.71ft
  • hence, new level = 512.53 ft + 8.71ft = 521.24ft

Hence the answer is None of the above

6 0
3 years ago
You want to know if environmental conditions affect feeding behavior in rats. You conduct a study measuring the amount of food p
Norma-Jean [14]

Answer:

c. Independent measures; Factorial (two-way) ANOVA

Step-by-step explanation:

The answer to this question is the independent measures one way ANOVA. This is as we have these conditions light on or off and cold or warm room. Now we have to check how these factors are able to affect the amount of food pellets eat whenever they are in these experimental conditions.

option c is the correst answer. A factorial or two way anova is one with more than one factor or explanatory variable.

7 0
3 years ago
Which of these four sets of side lengths will form a right triangle? set 1 set 2 set 3 set 4
Alex Ar [27]

Answer:

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6 0
3 years ago
You have $25.00. You want to buy chocolate for Valentines Day. Each box costs $6.99?Do you have enough money to buy three boxes?
mestny [16]

Answer:

yes and u will have and u will have 0.28 left over

Step-by-step explanation:

25/7=0.28

4 0
3 years ago
There are two fruit trees located at (3,0) and (–3, 0) in the backyard plan. Maurice wants to use these two fruit trees as the f
Mama L [17]
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Maurice has to use the equation a^2-b^2=c^2. We know that c=3, and because we need 1 more number to solve for b, I made a=6. 6^2-b^2=3^2. 36-b^2=9. b^2=27. b=5.196

<span>Next, to create the equation, we substitute what we know into the equation x^2/a^2 + y^2/b^2=1 and get x^2/36 + y^2/27=1. Johanna wants to create some hyperbolic flower beds.

We already know that c=3 so this time I decided a=1. 3^2=1^2+b^2. 9=1+b^2. 8=b^2. b=2.828
 
Next, to create the equation, we substitute what we know to the equation x^2/a^2 - y^2/b^2 = 1. x^2/1^2 - y^2/2.828^2 = 1. </span>
3 0
3 years ago
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