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aleksandrvk [35]
3 years ago
10

HELP MATH QUESTION GEOMETRY

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
3 0

Answer:

last three is true

Step-by-step explanation:

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3. Marcus had an average score of 90% on two biology tests about protists. If his first test score was 96%, which score did he r
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Answer:

B: 84%

Step-by-step explanation:

7 0
2 years ago
Millie had $450 in a savings account. She spent $171 on new luggage. What percent of Millie's money is left in her savings accou
Rudiy27

Amount left = $450 - $171 = $279


Amount left in Percentage = 279/450 x 100 = 62%


Answer: (C) 62%

4 0
3 years ago
I WILL MARK YOU BRAINLIEST!!!!
satela [25.4K]

Answer:

0; one real roots

* the answer is C

5 0
3 years ago
Identify the level of measurement of the​ data, and explain what is wrong with the given calculation. In a​ survey, the hair col
Arada [10]

Answer:

Nominal level of measurement

Step-by-step explanation:

The level of measurements used in this study is the nominal level of measurements. The nominal level of measurements involves the use of numbers to help classify the categories in an experiment.

In this case study, values were gotten for each categories which are brown hair, blonde hair, black hair and other hair colors. Thus, the level of measurements used is the nominal level of measurement.

There is something wrong with the calculation because data was gotten for a total of 600 respondents while the mean that was calculated involved only 503 omitting about 97 respondents.

3 0
3 years ago
As part of a demographic study, a college administrator needed to survey a sample of students from the college. From each major
marissa [1.9K]

Answer:

Option D is correct

Step-by-step explanation:

The options for the question is

a)cluster sample

b)convenience sample

c)simple random sample

d)stratified random sample

e)systematic random sample

Solution

The sampling here comprises of students from all the major of college. Here the major can be considered as "strata" of the educational institute. Out of these, strata or majors five students are selected on random basis.

This is a form of stratified random sample

Hence, option D is correct

4 0
3 years ago
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