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attashe74 [19]
3 years ago
6

ASAP PLEASE I WILL MAKE YOU BRAINLIEST!!!!

Mathematics
1 answer:
Pie3 years ago
7 0

Answer:

Sarah bought 3 first class tickets and 3 coach tickets.

Step by Step Explanation:

1030+1030+1030=3850

380+380+380=1140

3850+1140=4230

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High cholesterol level in people can be reduced by exercise or by drug treatment. A pharmaceutical company has developed a new c
Crazy boy [7]
<span>a) Explain how you would carry out a completely randomized experiment for the study
- The volunteers will be listed alphabetically and assigned a number from 1 to n. Using the random selection method, select the persons at half of the population and assign them as the treatment group getting the new medication. The remaining population will be under the current medication. Measure everyone's cholesterol level and apply the needed medication for several months. Apply the process and compare the results.

</span><span>b) Describe an experimental design that would improve the design in (a) by incorporating blocking</span><span>
- The best design would be to block by cholesterol levels (ie, High, Moderately High, Very High)

</span> c) Can the experimental design in (b) be carried out in a double blind manner? 
Yes, everyone in each block randomly assigned to a treatment so volunteers are not aware of the medication they are receiving while administrators do not know what medication they are giving.
6 0
4 years ago
10,14 and 18 can someone answer Pls pls
Sergeeva-Olga [200]
10. ? = 35

14. x = 1/2

18. 100 mm = 10 cm. 
4 0
3 years ago
What is the combined lenght of all buttons longer than 1 inch?
HACTEHA [7]

Answer:

2 12 1/2 inches

Step-by-step explanation:

1: 1 1/4 + 1 1/4

2: 1+1 = 2; 1/4 + 1/4 = 2/4

3:  2 2/4

Answer:  2 2/4

<em><u>Hope this helps.</u></em>

7 0
3 years ago
HELP ME PLEASE!!!!!!!!
ale4655 [162]
I think this is how you do it

4 0
3 years ago
Pls really need help asapppp
Anit [1.1K]

Answer:

105 sq cm

Step-by-step explanation:

The bottom rectangle is 6 x 15 = 90 sq cm

The triangle at the top has a length of 15 - 9 = 6 cm and a height of 11 - 6 = 5 cm.

A triangle is 1/2bh so 1/2 x 6 x 5 = 15 sq cm

Add the areas together

8 0
3 years ago
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