MATHEMATICS HIGH SCHOOL

Mary is booking a 4-night stay at a hotel. The rate is $79 per room plus tax. If state tax is 6%, city tax is 2%, and municipal tax is 1%, what is her total lodging cost?

Answers

Answer 1
Answer:

Answer:$344.44

Step-by-step explanation:
Answer 2
Answer:

Answer:

344.44

Step-by-step explanation:

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Jose asks his friends to guess the higher of two grades he received on his math tests. He gives them two hints. The difference of the two grades is 16. The sum of one-eighth of the higher grade and one-half of the lower grade is 52. The system that represents his scores is below.. . x – y = 16. . x + y = 52. . What is the higher grade of Jose’s two tests?. . 48.
52.
80.
96

Answers

x - y = 16
1/8 x + 1/2 y = 52   / * 2 ( multiply both sides by 2 )
-------------------------
      x - y = 16
+
1/4 x + y = 104 
----------------------
 1.25 x = 120
   x = 120 : 1.25
   x = 96
 Answer: D ) 96

your answer sould be the last option (D) 96

How many 50s are in 2500

Answers

Answer:50

explanation: 2500 divided by 50 is 50

Year 9 students from a school were asked to choose one language to study this table shows information on their choices.language number of students
french 17
german 35
itallian 38

Answers

Answer:

Step-by-step explanation:

A grocery store manager uses 1/2 crate of apples for every 3/4 crate if oranges in a fruit display. How many crates of oranges will she need if she uses 2 1/2 crates of apples?

Answers

Answer:

15/4

Step-by-step explanation:

This is a proportion question

It says 1/2 crates of apple are used for every 3/4 crates of oranges

For 5/2 crates of apple, x crates of oranges will be needed.

To get x, we simply multiply 1/2 by x and equate it to 3/4 multiplied by 5/2

This means: 0.5x = 0.75 × 2.5

x = ( 0.75 × 2.5 ) ÷ 0.5 = 3.75

Hence for 5/2 crates for apple, she will need 15/4 crates of oranges.

Answer:

Step-by-step explanation:

You would first make a proportion.

.5/.75 = 2.5/x

So, .5x = 1.875

x = 15/4

Simplify a - {5b - [a - (3b - 2c) + c - (a - 2b -c. ]}.
-a - 6b + 4c
a - 6b + 4c
a - 10b + 4c
-a + 10b + 4c

Answers

♥B)a - 6b + 4c

♥First you need to distribute the Negative Sign.

=a+−1(5b−(a−(3b−2c)+c−(a−2b−c)))

=a+−1(5b)+−1(−a)+−1(3b)+−1(−2c)+−1(−c)+−1a+−1(−2b)+−1(−c)

=a+−5b+a+−3b+2c+c+−a+2b+c

♥Now you need to Combine Like Terms:

=a+−5b+a+−3b+2c+c+−a+2b+c

=(a+a+−a)+(−5b+−3b+2b)+(2c+c+c)

=a+−6b+4c

♥and you get your final answer: a−6b+4c

Answer: B

Step-by-step explanation:

The difference between an observational study and an experiment is thatA . in an observational study, only one group is studied, and in an experiment, two groups are studied.

B . in an observational study, the researchers do not control treatment, and in an experiment, they do.

C . in an experiment, cause-and-effect is analyzed, and in an observational study, it is not.

D . in an experiment, one group is studied over a short period of time, and in an observational study, the group is studied over a longer period of time.

Answers

Answer: (b) in an observational study, the researchers do not control treatment, and in experiment, they do.

Step-by-step explanation: In an observational study, only one group is studied, but in an experiment, more than one, may be two, three, etc. are studied, so option (A) is not correct. In an observational study, researchers control treatment but in experiment they do not, and so, option (B) is also incorrect. Option (D) is not correct, because a group is studied over a longer period of time in an experiment and the group is studied over a short period of time in observational study. The only correct option is (C) because cause and effect is studied in an experiment and are not studied in an observational study.

Hence, (C) is the correct option.

Answer:

b

Step-by-step explanation:

edge 21
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