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Simora [160]
3 years ago
7

Two students have examined the scatter plot shown and have created a line of best fit for the data. Student A believes that the

line of best fit for the data is y=−2x+24, while Student B believes that the line of best fit for the data is y=1.5x+23. Determine which student created a better line of best fit given the data in the graph. Justify your answer using mathematics.
Mathematics
1 answer:
saveliy_v [14]3 years ago
7 0

Answer:

Is student B because student B data has -2 which is facing the same way the scatter plot is while student A is facing the left while the scatter plot is on the right.

If you don't understand go to desmos graphing calculator and enter y=−2x+24 and y=1.5x+23.

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PLEASE HELP Evaluate the limit, if it exists. Show work. lim_(x->5)((x^(2)-3x-10)/(2x-10))
gayaneshka [121]

Answer:

lim \: x \: —>5 \:  \:  \frac{ {x}^{2} - 3x - 10 }{2x - 10}  \\  \\ lim \: x \: —>5 \:  \:  \:  \frac{(x - 5)(x + 2)}{2(x - 5)}  \\  \\ lim \: x \: —>5 \:  \:  \frac{(x + 2)}{2}   =  \frac{5 + 2}{2}  =  \frac{7}{2}  \\  \\  \\  =  \frac{7}{2}  = 3.5

I hope I helped you^_^

3 0
3 years ago
PLEAS EHEKP ILL GIVE BRAINLIEST<br> SHOW WORK SO I CAN UNDERSTAND PLEASE
Mandarinka [93]

Answer:

$49.72

Step-by-step explanation:

The tip is 11% of the price of the pizza.

The price of the pizza is $452.

The tip is 11% of $452.

<em>To find a percent of a number, change the percent to a decimal and multiply by the number. To change a percent to a decimal, divide the percent by 100 which is the same as moving the decimal point two places to the left.</em>

11% of $452 =

= 0.11 * $452

= $49.72

Answer: $49.72

8 0
3 years ago
What is the surface area of this picture
Misha Larkins [42]

ANSWER:

310 cm^2 (Don't ever forget the units) for the full surface area

STEP BY STEP:

I'll give you the area of the full thing.

First we will get the little square on the one side:

5 x 4 = 20

We got one side out of 8 sides.

Side 2:

10 - 5 = 5

5 x 4 = 20

Side 3:

5 x 4 = 20

Side 4:

5 x 4 = 20

Side 5:

5 + 5 = 10

10 x 4 = 40

Side 6:

5 + 5 = 10

10 x 4 = 40

Side 7:

10 - 5 = 5

5 x 5 = 25

5 x 5 = 25

5 x 5 = 25

25 + 25 + 25 = 75

Side 8:

10 - 5 = 5

5 x 5 = 25

5 x 5 = 25

5 x 5 = 25

25 + 25 + 25 = 75

ADD ALL SIDES TOGETHER:

75 + 75+ 40 + 40 + 20 + 20 + 20 + 20 = 310


6 0
3 years ago
A clothing manufacturer makes 1,500 pairs of jeans. They ship their jeans to stores in packages of 36. How many full packages wi
Crazy boy [7]

Answer:

a) How many full packages will be used to ship the jeans?

41 packages

b) How many jeans are left over?

24 Jeans

Step-by-step explanation:

We are told that a manufacturer: made 1500 Jeans and is shipping them in packages of 36.

Hence, the number of packages of 36 he can send out to stores is calculated as:

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Hence, 41 full packages would be used to ship the jeans.

The number of Jeans left behind is

1500 - (41 × 36)

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4 0
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Simplify. -7 square root
OverLord2011 [107]
The square root of -1 is i. So you can simplify it to 7(sqrt)-1, which becomes 7i.
8 0
3 years ago
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