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3 years ago

State whether the slope of the line is positive, negative, zero or undefined.

Mathematics

2 answers:

Shkiper50 [21]3 years ago

7 0

That flat horizontal line has zero slope. There's no change in y for every unit change in x.

Mice21 [21]3 years ago

7 0

Answer:

Zero.

Step-by-step explanation:

A horizontal line has a slope of zero.

We could visualise it as a 'triangle' with a y value of zero, so the slope = 0/x = 0.

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Multiply ( × - 2 ) ( 3× + 4) using distribution method

posledela

Answer:

$3x^{2} -2x -8$

Step-by-step explanation:

To distribute you going to need to foil after you foil you add liked terms and put it into standard form.

steps are shown below

4 0

3 years ago

Colin always takes his laundry to the laundromat for cleaning. Today, he has 5 items for dry cleaning and 12 items for regular w

kari74 [83]

Answer: 7 1/2 pounds

Step-by-step explanation:

7 0

2 years ago

Find the indefinite integral using the substitution x = 10 sin(θ). (Use C for the constant of integration.) 1 (100 − x2)3/2 dx

soldi70 [24.7K]

Answer:

The indefinite integral

= $\frac{1}{100}$ ˣ $\frac{x}{\sqrt{100-x^{2} } }$ ⁺ C

Step-by-step explanation:

x= 10sinθ

dx = 10cosθdθ

the step-to-step explanation is in the attachment

3 0

2 years ago

The histogram below shows information about the number of books students read in a month:

max2010maxim [7]

Answer:

Option C is true - The number of students who read 4 books or fewer

Step-by-step explanation:

Here, to find the mean and median, we do not have proper information or specific values. We just have the ranges, so both the mean and median cannot be determined. So, options A and B are not correct.

We can see two bins covering the 9 or more books, so option D cannot be true either.

Therefore, only option C is left and that is true.- the number of students who read 4 books or fewer.

6 0

2 years ago

Joe began to increase the speed of his car at 2:00 P.M. Since that time,the speed of Joes car has been steadily increasing by 1

Olegator [25]

Answer:

7 mins

Step-by-step explanation:

Current speed of Joes Car = 65.5 mph

We have to find the time interval for which the car exceeded the speed limit of 55 mph.

While, we are given that the speed of the car was constantly increasing, hence the speed over all increased from the limit of 55 mph = 65.50-55.00 = 10.50 mph

We are also given that Joes car was increasing speed at a constant rate of 1.50 mph for every passing minute. Hence

1.50 mph is increased in 1 minute

1 mph will be increase in $\frac{1}{1.5}$ minutes

Hence

10.50 mph will be increased in $\frac{1}{1.5} \times 10.50$ minutes

$= \frac{10.5}{1.5}$

$=7$

Hence joes car was exceeding the limit of 55 mph for 7 minutes.

8 0

2 years ago