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nekit [7.7K]
3 years ago
13

Mrs.gitterman gave a quiz to each of her three math classes. Each of her classes have 12 students. When she found the mean for e

ach class, she was surprised to see that the mean for each class was 80%. However looking at individuals scores, she found that the distribution of scores in each class looked very different.
Mathematics
2 answers:
kodGreya [7K]3 years ago
6 0

Answer:

4

Step-by-step explanation:

Ivahew [28]3 years ago
3 0

Answer:

4

Step-by-step explanation:

4

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Ipatiy [6.2K]
It may be B—JL is longer than JK
5 0
3 years ago
Sam average 13 points per game in her first three basketball games. She averaged 14.5 points in her first four games. How many p
kvasek [131]

Answer:

19

Step-by-step explanation:

<em>1</em><em>3</em><em>×</em><em>3</em><em>=</em><em> </em><em>3</em><em>9</em>

<em>1</em><em>4</em><em>.</em><em>5</em><em>×</em><em>4</em><em>=</em><em> </em><em>5</em><em>8</em>

<em>5</em><em>8</em><em>-</em><em>3</em><em>9</em><em>=</em><em> </em><em>1</em><em>9</em>

5 0
3 years ago
HELP PLEASE APPRECIATED Margarita is driving at the speed of s-4/ s^2- 9s + 20 miles per hour.
Lady bird [3.3K]
D = V • t    ...    displacement = velocity • time 
d = [(s – 4) ⁄ (s² – 9s + 20)] • [(s – 5) ⁄ 4]    ...    rearrange terms 
d = (s – 4) • (s – 5)   ⁄   [4(s² – 9s + 20)]    ...    factor denominator 
d = (s – 4) • (s – 5)   ⁄   [4(s – 4) • (s – 5)] 
d = ¼ mile
4 0
4 years ago
What is the number 0.0000 04 in standard form
agasfer [191]

Answer:

4x10-6 power

you just need to count the spaced or numbers till you get to 4 then put 10 then to the power of whatever and its -6 because it started from a small number

4 0
3 years ago
Please help me lol (quadratics unit on khan)
EastWind [94]

Answer:

(2-x)^2 sorry if that’s wrong

Step-by-step explanation:

sorry

5 0
3 years ago
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