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erma4kov [3.2K]
2 years ago
9

I'm in desperate need of help <\3

Mathematics
1 answer:
denis-greek [22]2 years ago
6 0

Answer:

8 Answer is a) R

<em>And</em>

9 Answer is b) -4

<em>Answer</em><em> of</em><em> your</em><em> Question</em><em> bro</em><em> and</em><em> good</em><em> </em><em>evening</em><em> </em><em>and</em><em> I</em><em> </em><em>hope</em><em> </em><em>this </em><em>will</em><em> </em><em>help</em><em> you</em><em> </em><em>and</em><em> </em><em>please</em><em> mark</em><em> me</em><em> as</em><em> brainliest</em><em> and</em><em> thank</em><em> u</em><em> </em><em>have</em><em> </em><em>a </em><em>amazing</em><em> day</em><em> </em>

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Module 6 What is the line of best fit? Why do we want the sum of the residuals to be as close to zero as possible?
Mamont248 [21]

Answer:

zero residual equals zero mean

6 0
3 years ago
Which table identifies the one-sided and two-sided limits of function at x = 2?​
Yuliya22 [10]

Answer:

Table 3

Step-by-step explanation:

Check table three;

lim\:_{x\to \:2^-}\:f\left(x\right)=\:4

lim\:_{x\to \:2^+}\:f\left(x\right)=\:1

Since the left hand limit (lim\:_{x\to \:2^-}\:f\left(x\right)) is not equal to the right hand limit (lim\:_{x\to \:2^+}\:f\left(x\right)),  the limit as x approaches to 2 does not exist.

Therefore "nonexistent" is true, and table 3 is the correct model of the limits of the function at x = 2

6 0
3 years ago
On the first day of travel, a driver was going at a speed of 40 mph. The next day, he increased the speed to 60 mph. If he drove
gogolik [260]

Velocity, distance and time:

This question is solved using the following formula:

v = \frac{d}{t}

In which v is the velocity, d is the distance, and t is the time.

On the first day of travel, a driver was going at a speed of 40 mph.

Time t_1, distance of d_1, v = 40. So

v = \frac{d}{t}

40 = \frac{d_1}{t_1}

The next day, he increased the speed to 60 mph. If he drove 2 more hours on the first day and traveled 20 more miles

On the second day, the velocity is v = 60.

On the first day, he drove 2 more hours, which means that for the second day, the time is: t_1 - 2

On the first day, he traveled 20 more miles, which means that for the second day, the distance is: d_1 - 20

Thus

v = \frac{d}{t}

60 = \frac{d_1 - 20}{t_1 - 2}

System of equations:

Now, from the two equations, a system of equations can be built. So

40 = \frac{d_1}{t_1}

60 = \frac{d_1 - 20}{t_1 - 2}

Find the total distance traveled in the two days:

We solve the system of equation for d_1, which gets the distance on the first day. The distance on the second day is d_2 = d_1 - 20, and the total distance is:

T = d_1 + d_2 = d_1 + d_1 - 20 = 2d_1 - 20

From the first equation:

d_1 = 40t_1

t_1 = \frac{d_1}{40}

Replacing in the second equation:

60 = \frac{d_1 - 20}{t_1 - 2}

d_1 - 20 = 60t_1 - 120

d_1 - 20 = 60\frac{d_1}{40} - 120

d_1 = \frac{3d_1}{2} - 100

d_1 - \frac{3d_1}{2} = -100

-\frac{d_1}{2} = -100

\frac{d_1}{2} = 100

d_1 = 200

Thus, the total distance is:

T = 2d_1 - 20 = 2(200) - 20 = 400 - 20 = 380

The total distance traveled in two days was of 380 miles.

For the relation between velocity, distance and time, you can take a look here: brainly.com/question/14307500

3 0
2 years ago
I need help, anyone get this?
Lunna [17]
What is 75-50, then you subtract that answer from 180, because if it’s a triangle, all 3 sides should equal to 180
5 0
3 years ago
Read 2 more answers
What's -6(3x-5)?<br><br> I can't seem to piece the answer together.
ludmilkaskok [199]
Hola!

-6 (3x - 5)

[ simplifying. ]

-18x + 30

hope it helps!
5 0
3 years ago
Read 2 more answers
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