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vampirchik [111]

3 years ago

14

Help Rotation of BAT

1 answer:

ad-work [718]3 years ago

8 0

The rule for a rotation by <span><span>90</span></span> about the origin is <span>(x,y)→(−y,x<span>)
A(-2,11) then A(-11,-2)
B(-3,-6) then B(6,-3)
T(10,-4) then T(4,10)

answer
A. the first choice

</span></span>

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I need help with the area of this

Anarel [89]

Answer:

14 inches

Step-by-step explanation:

If you use the formula shown and calculate 1/2 (B x H) you will get 14 in. The base multiplied by the height is 28, and when divided in half, it is 14 in.

7 0

3 years ago

The median of a data set 8, 21, 17, and 13 is 15. If 17 is changed to 18, what will be the new median? a. 15.5 c. 50 b. 17.5 d.

lubasha [3.4K]

Answer:

Option A) 15.5 is correct

The new median for the new data set is 15.5

Step-by-step explanation:

Given data set is 8,21,17,13

To find the median :

First order the given set of data into least to greatest

The ordered set is 8,13,17,21

Since the given set of data is even

We can take midvalues of data in the set

Median is the mean of two middle values in the data set

$Median=\frac{13+17}{2}$

$=\frac{30}{2}$

$=15$

Therefore Median=15 ( given )

Given that if 17 is changed to 18 then the given set of data 8,21,17,13 is changed into new set 8,21,18,13

To find the median :

First order the new set of data into least to greatest

The ordered set is 8,13,18,21

Since the given set of data is even

We can take two midvalues of new data in the set

Median is the mean of two middle values in the data set

$Median=\frac{13+18}{2}$

$=\frac{31}{2}$

$=15.5$

Therefore New Median=15.5

Therefore option A) 15.5 is correct

The new median for the new data set is 15.5

5 0

3 years ago

The purple pathers helipad is 1/3 of a mile from the control center we'll drop the food when it's 1/4 of the way there how many

AlexFokin [52]

Answer:

1/12 of a mile.

Step-by-step explanation:

1. Find a common denominator. In this instance, we can use the denominator of 12 because both 3 and 4 are multiples of 12.

2. Multiply each fraction (numerator and denominator) to convert them.

1/3(4/4) = 4/12

1/4(3/3) = 3/12

3. Subtract.

4/12－3/12 = 1/12

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Most everyday purchases at the store are labeled with the price of the item before sales tax. Which expression could

goldfiish [28.3K]

Answer:

the answer is c.

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