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2 years ago

Tas

Mathematics

1 answer:

BigorU [14]2 years ago

3 0

Answer: (8,10)

Step-by-step explanation:

To go from A to C, we go right 2 units and up 6 units.

So, if we let the fourth vertex be D, then to go from B to D, we must also go right 2 units and up 6 units from B.

Therefore, the answer is (8, 10).

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The fastest a human has ever run is 27 miles per hour. how many miles per minute did the human rn?

Savatey [412]

27 miles per hour

1 hour = 60 minutes

27 miles per 60 minutes

27/60 miles per 1 minute

9/20 miles per minute

6 0

4 years ago

Let f(x)= 8x³ + 16x² -15 and g(x) = 2x+1. f(x)/g(x).

N76 [4]

Answer:

f(x)/g(x) = 4x^2+6x-3 remainder -12

f(x)/g(x) = (4x^2+6x-3)/(2x+1) + (-12)/(2x+1)

((4x²+6x-3)-12)/(2x+1)

Step-by-step explanation:

f(x)= 8x³ + 16x² -15

g(x) = 2x+1.

Using long division,

f(x)/g(x) = 4x^2+6x-3 remainder -12

5 0

4 years ago

Write an equation of the line passing through the points (4.15) and (-1. - 15).

jolli1 [7]

Answer:

y = 6x - 9

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Algebra I

Slope Formula: $m=\frac{y_2-y_1}{x_2-x_1}$

Slope-Intercept Form: y = mx + b

m - slope

b - y-intercept

Step-by-step explanation:

Step 1: Define

Point (4, 15)

Point (-1, -15)

Step 2: Find slope m

Substitute: $m=\frac{-15-15}{-1-4}$
Subtract: $m=\frac{-30}{-5}$
Divide: $m=6$

Step 3: Find y-intercept b

Define: y = 6x + b
Substitute: -15 = 6(-1) + b
Multiply: -15 = -6 + b
Isolate b: -9 = b
Rewrite: b = -9

Step 4: Write linear equation

Substitute in all variables.

y = 6x - 9

And we have our answer!

4 0

3 years ago

A weatherman stated that the average temperature during July in Chattanooga is 80 degrees or less. A sample of 32 Julys is taken

baherus [9]

Answer:

The correct set of hypotheses is

$H_{0}$ : d=80 degrees

$H_{0}$ : d>80 degrees

Step-by-step explanation:

The weatherman claims that the average temperature during July in Chattanooga is 80 degrees or less. To test this claim, following hypotheses need to be taken:

Let d be the the average temperature during July in Chattanooga, then

$H_{0}$ : d=80 degrees

$H_{0}$ : d>80 degrees

7 0

3 years ago

The dot plot represents a sampling of ACT scores: dot plot titled ACT Scores with Score on the x axis and Number of Students on

Fantom [35]

Step-by-step explanation:

Hi,

To draw a box plot, you require certain points on the graph calculated.

Quartile 1
Quartile 2 or Median
Quartile 3

As per the information provided, your data looks like this:

(Each dot in the dot plot shows the frequency of the score)

18, 19, 19, 19, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 24, 24, 25.

Using the data, we first calculate the median.

Median of any data set is the most central value. Since there are 18 values in this data set, we consider the two most central values, which are the 9th and 10th values.

The 9th value of the data corresponds to 22.

The 10th value of the data corresponds to 22.

Hence the median is 22.

(Had these two values been different, we would have simply add them and divided the sum by 2 to find the median.)

Now we find Quartile 1, which is one-fourth value of the data.

$Q_{1} = \frac{n}{4} = \frac{18}{4} = 4.5$

4.5th value is Q1, which lies between 4th and 5th value.

4th value of the data set corresponds to 19.

5th value of the data set corresponds to 21.

We add them both and divide the sum by 2.

$\frac{19+21}{2} = 20$

Hence the first quartile is 20.

Now we find Quartile 3, which is three-fourth value of the data.

$Q_{3} = \frac{3n}{4} = \frac{18*3}{4} = 13.5$

13.5th value is Q3, which lies between 13th and 14th value.

13th value of the data set corresponds to 23.

14th value of the data set corresponds to 23.

Hence the third quartile is 23.

To plot the box, the top line of the box is at Q3, central line at Median and lower end of the box at Q1.

The two whiskers of the plot, upper is at the highest point: 25 and lower is at the lowest point: 18.

Your plot should look like this:

7 0

3 years ago