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gtnhenbr [62]
3 years ago
9

In grade 8, there are 3 teachers for every 25 students. In the examination hallthe ratio of teachers to students is 15:125, Whic

h of the following is true?
Mathematics
1 answer:
Vlad [161]3 years ago
7 0

Answer:

3:25 = 15:125

15:125 is directly proportional to 3:25.

Step-by-step explanation:

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c=26 in

2.)
c^2=7^2+14^2
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4 0
3 years ago
Question: What is 7 /16 written as a decimal? Show your work.
Burka [1]
0.4375 because if you divide it by its self youll get it 

4 0
3 years ago
Read 2 more answers
Which equation matches this graph?​
stealth61 [152]

The first function represents the graph of a function provided in the picture option first is correct.

<h3>What is a function?</h3>

It is defined as a special type of relationship, and they have a predefined domain and range according to the function every value in the domain is related to exactly one value in the range.

We have a graph of a function shown in the picture.

\rm f\left(x\right)\ =\ -\sqrt{\left(x-3\right)}\ +\ 2

x - 3 ≥ 0

x ≥ 3

Plug x = 3

f(x) = 2

Thus, the first function represents the graph of a function provided in the picture option first is correct.

Learn more about the function here:

brainly.com/question/5245372

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5 0
2 years ago
For f(x)=4x+1 and g(x) = x^2 - 5, find (f+g)(x).
Rus_ich [418]

Answer:

(f + g)(x) = x² + 4x - 4  

Step-by-step explanation:

The statement (f + g)(x) is the same as f(x) + g(x). In other words, the question simply wants you to add the two functions together.

f(x) = 4x + 1

g(x) = x² - 5

(f + g)(x)                                  <----- Original statement

f(x) + g(x)                                <----- Rewrite

(4x + 1) + (x² - 5)                     <----- Substitute the equations in f(x) and g(x)

4x + x² - 4                              <----- Add 1 and -5

x² + 4x - 4                              <----- Rearrange the terms

3 0
2 years ago
What is 30 divided by 4? Show your work and explain.
motikmotik

Answer:

7.5

30

÷

4

__

7.5

4×6=24

4×7= 28

4×8= 32

4×8= X

4×7.5= 30

3 0
3 years ago
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