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LUCKY_DIMON [66]
4 years ago
13

To be considered for pilot school, 12 students took a spatial reasoning test that resulted in this list of scores. find the perc

entile for the score value 117. 152 121 130 143 122 101 137 98 138 127 145 117
a. 17th percentile
b. 25th percentile
c. 83rd percentile
d. 77th percentile
Mathematics
1 answer:
Brums [2.3K]4 years ago
7 0
<span>a. 17th percentile First, take the data and sort it in increasing order, getting: 98 101 117 121 122 127 130 137 138 143 145 152. The score of 117 is greater than 2 of the scores out of a total of 12 scores. So the percentile rank is 2/12 = 0.1666667 = 16.66667, or the 17th percentile. Therefore the answer is "a. 17th percentile"</span>
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Translate the shape A four squares right and two squares up.
GenaCL600 [577]

If the shape A is translated four squares right and two squares up, the resulting coordinate point will be at (-3, 6), (-3, 3) and (-1, 3)

<h3>Translation of coordinates</h3>

Translation is a way of changing the position of an object on the xy plane

Given the coordinates of the vertices (1, 4), (1, 1), (3,1)

If the shape A is translated four squares right and two squares up, the resulting coordinate point will be at (-3, 6), (-3, 3) and (-1, 3)

Note that 4 was subtracted from the x-axis and 2 added to the y-coordinates.

Learn more on translation here: brainly.com/question/12861087

#SPJ1

4 0
2 years ago
4,12,36,108,324
GREYUIT [131]

The sequence defines a function f(x)=4.(3)^{x-1}

Domain : \{1,2,3,4,5\}

Range : \{4,12,36,108,324\}

Explanation:

A sequence defines a function if it is the set of natural numbers.

Thus, the function is given by

f(x)=4.(3)^{x-1}

The sequence can be determined by substituting the values for x.

For x=1,

f(1)=4(3)^{0}=4

For x=2,

f(2)=4(3)^{1}=4(3)=12

For x=3,

f(3)=4(3)^{2}=4(9)=36

For x=4,

f(4)=4(3)^{3}=4(27)=108

For x=5,

f(5)=4(3)^{4}=4(81)=324

Thus, from these the domain and range of a function can be determined.

The domain of a function is the set of independent values, which are generally the x-coordinates.

Domain of a function is \{1,2,3,4,5\}

The range of a function is the set of dependent values obtained by substituting the values for x.

Range of a function is \{4,12,36,108,324\}

7 0
3 years ago
(MARKING BRAINLIEST) For Alexandra's lemonade recipe, 8 lemons are required to make 4 cups of lemonade.
Amiraneli [1.4K]

Answer:

2 1

8 4

10 5

Step-by-step explanation:

We already know that it takes 8 lemons to make 4 cups of lemonade. So, to get the number of lemons needed to make 1 cup of lemonade, we divide the lemons and cups by 4.

8 divided by 4 = 2 and  4 divided by 4 = 1. Therefore, it takes 2 lemons to make 1 cup of lemonade.

By this logic, to figure how many cups are needed for 10 lemons, and since we know 2 lemons = 1 cup of lemonade, we multiply the lemons and cups by 5. 2 times 5 is 10 (lemons) and 1 times 5 is 5 (cups). Therefore, 10 lemons are needed to make 5 cups of lemonade.

To plot this on the coordinate axes, the first point goes (2,1) second being (8,4) and third point being (10,5).

side note - is this delta math? I feel your pain

8 0
3 years ago
Someone help me solve this please and with the steps :)?​
erma4kov [3.2K]

Answer:

7.20

Step-by-step explanation:

3 0
3 years ago
Karif plans to use a 20% coupon on a $27.60 purchase
lawyer [7]

Answer:

Hello! The answer is $22.08. Hope this helps.


6 0
3 years ago
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