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goblinko [34]
3 years ago
8

A certain school has 300 students. There is one teacher for every 25 students. How many teachers are there? find the most import

ant variable in the problem.
A. the number of teachers in the school
B. the number of students the school can hold
C. the number of classrooms in the school
Mathematics
2 answers:
wariber [46]3 years ago
7 0

the other persons wrong its C. the number of classrooms in the school

olga_2 [115]3 years ago
6 0

Answer:

There are 12 teachers.

A. the number of teachers in the school

Step-by-step explanation:

We can use ratios to solve the problem

teacher: students

1            : 25

If there are 300 students, we need to multiply by 300/25 = 12


1*12        : 25*12


12            :300

There are 12   teachers


The most important variable is the number of teachers in the school.

The school may or may not be filled to capacity and the classrooms might not be used.

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Scorpion4ik [409]

Answer:

1) 2/1

2) 13/1

Step-by-step explanation:

3 0
3 years ago
ANSWER QUICK GIVING BRAINIEST!
Virty [35]
No because when you multiply a fraction, you multiply the top and bottom across
4 0
3 years ago
Your mother has a new cell phone. It comes with 18 applications already installed. She uses only "2" /"3" of those applications.
ANEK [815]

Answer:

18*2/3+12

Step-by-step explanation:

So, out of 18, she only uses 2/3, so it will be 18*2/3, plus the additional 12 she downloaded.

6 0
3 years ago
The relationship between women’s whole-number shoe sizes and foot lengths is an arithmetic sequence, where an is the foot length
ad-work [718]

Answer:

The explicit formula for Arithmetic Sequence is a_n=7.02+0.33n

Step-by-step explanation:

Given: Foot length & shoe size in AP.

           a_n is foot length and n is shoe size.i.e., a_{12}=11\:and\:a_7=9.33

To find: Formula for Arithmetic sequence .i.e., a_n

From question,

a_{12}-a_7=11-9.33=1.67

Also, we know that

a_{12}=a_7+5d\\5d=a_{12}-a_7\\5d=1.67\\d=\frac{1.67}{5}\\\\d=0.33        

Now, consider

a_7=a_1+6d\\a_7=a+6d\\a=a_7-6d\\a=9.33-6\times0.33\\a=9.33-1.98\\a=7.35

Thus using formula of a_n we get,

a_n=a+(n-1)d\\a_n=7.35+(n-1)\times0.33\\a_n=7.35+0.33n-0.33\\a_n=7.02+0.33n

Therefore, The explicit formula for Arithmetic Sequence is a_n=7.02+0.33n

 

4 0
3 years ago
Read 2 more answers
Find the inverse of the given relation.
il63 [147K]

Answer:

The answer is B.

Step-by-step explanation:

To obtain the inverse of a relation you simply interchange the x and y coordinates of each pair.

Here:

(3,1) becomes (1,3)

(3,1) becomes ((1,3)

(7, -7) becomes (-7,7) and

(12, -15) becomes (-15, 12)


6 0
4 years ago
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