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icang [17]
3 years ago
15

Please help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Olenka [21]3 years ago
6 0

Answer:

50%

Step-by-step explanation:

The distance between each dot is 25%

From 68 to 70 is 25% and 70 to 74is 25%

Above 68 is 25+25 or 50 %

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In a study, subjects are randomly assigned to one of three groups: control, experimental A, or experimental B. After treatment,
Pepsi [2]

Answer:

Analysis of variance

Step-by-step explanation:

The appropriate statistical tool for this is the analysis of variance. The analysis of variance, also known as the ANOVA, is a statistical method which has the ability to separate data from observed variance into various components which is then use for more tests.

The anova gives an analysis of the differences that are in the group means of a sample.

4 0
3 years ago
a bag contains six red marbles and seven blue marbles. You randomly pick a marble and then return it to the bag before picking a
tankabanditka [31]

Answer:

6/13 7/13 chance to get the marbles

Step-by-step explanation:

4 0
3 years ago
Solve for x<br> a 2.2<br> b 5.4<br> c 6.5<br> d 7.2
Reika [66]

Answer:

D

Step-by-step explanation:

Given that the segment is an angle bisector then the ratio of sides and base are equal, that is

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8 0
3 years ago
A. x=51, y=63<br>b. x=77, y=63<br>c x=63, y=77<br>d x=77, y=65
vekshin1
The answer is b. x=77, y=63
5 0
3 years ago
Read 2 more answers
Someone solve this for me please: Find a vector v such that || v || = 10 and v is in same direction as 2i + 3j
drek231 [11]

Answer:

Step-by-step explanation:

\overrightarrow{a}=2*\overrightarrow{i}+3*\overrightarrow{j}\\\\||\overrightarrow{a}||=\sqrt{2^2+3^2} =\sqrt{13} \\\\\boxed{\overrightarrow{v}=\dfrac{20}{\sqrt{13}}*\overrightarrow{i}+\dfrac{30}{\sqrt{13}}*\overrightarrow{j}} \\\\\\||\overrightarrow{a}||=\sqrt{(\dfrac{20}{\sqrt{13}})^2+(\dfrac{30}{\sqrt{13}})^2} =\sqrt{\dfrac{400+900}{13} }==\sqrt{\dfrac{1300}{13} }=\sqrt{100}=10 \\

8 0
2 years ago
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