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Lapatulllka [165]
3 years ago
5

PLS HELP WILL GIVE BRAINIEST!!!

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
5 0

Answer:

We would have to know the y value associated with each x value to know which one(s) best approximated the root(s

Step-by-step explanation:

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A lawyer commutes daily from his suburban home to his midtown office. The average time for a one-way trip is 24 minutes, with a
gogolik [260]

Answer:

Step-by-step explanation:

a) Probability-Above 30 min = 5.72% = .0572

b) Probability-Above 15 min =  99.11% = .9911

c) *Probability-Between  1 - 59.49% = .4051

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3 years ago
The velocity function, in feet per second, is given for a particle moving along a straight line. Find (a) the displacement and (
AveGali [126]

Answer:

(a) 2 feet.

(b) 2 feet.

Step-by-step explanation:

We have been given that the velocity function v(t)=\frac{1}{\sqrt{t}} in feet per second, is given for a particle moving along a straight line.

(a) We are asked to find the displacement over the interval 1\leq t\leq 4.

Since velocity is derivative of position function , so to find the displacement (position shift) from the velocity function, we need to integrate the velocity function.

\int\limits^b_a {v(t)} \, dt

\int\limits^4_1 {\frac{1}{\sqrt{t}}} \, dt

\int\limits^4_1 {\frac{1}{t^{\frac{1}{2}}} \, dt

\int\limits^4_1 t^{-\frac{1}{2}} \, dt

Using power rule, we will get:

\left[\frac{t^{-\frac{1}{2}+1}}{-\frac{1}{2}+1}}\right] ^4_1

\left[\frac{t^{\frac{1}{2}}}{\frac{1}{2}}}\right] ^4_1

\left[2t^{\frac{1}{2}}\right] ^4_1  

2(4)^{\frac{1}{2}}-2(1)^{\frac{1}{2}}=2(2)-2=4-2=2

Therefore, the total displacement on the interval  1\leq t\leq 4 would be 2 feet.

(b). For distance we need to integrate the absolute value of the velocity function.

\int\limits^b_a |{v(t)|} \, dt

\int\limits^4_1 |{\frac{1}{\sqrt{t}}}| \, dt

Since square root is not defined for negative numbers, so our integral would be \int\limits^4_1 {\frac{1}{\sqrt{t}}} \, dt.

We already figured out that the value of \int\limits^4_1 {\frac{1}{\sqrt{t}}} \, dt is 2 feet, therefore, the total distance over the interval 1\leq t\leq 4 would be 2 feet.

7 0
3 years ago
000059.23 - 000044.18 =
Margarita [4]

Answer:

15.05

Step-by-step explanation:

Also, you don't need to add the zeros, they don't mean anything.

6 0
3 years ago
How do you show three and three force of a number like
satela [25.4K]

Answer:

3 \frac{3}{4}

Hope this helps :)

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3 years ago
Diane uses 2 feet of ribbon to decorate each gift she is wrapping. She wraps 7 gifts. How much ribbon does she need?
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