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2 years ago

Help will make brainliest! consider the given function of an arithmetic sequence.

Mathematics

2 answers:

Verdich [7]2 years ago

4 0

Answer:

Step-by-step explanation:

f(n) = 7n - 3

f(8) = 7*8 - 3 = 56 - 3 = 53

brilliants [131]2 years ago

3 0

Evaluate f(8) for the given function.

f(8) = 7(8)-3 = 53

answer: 53

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12 is 90% of what number?<br><br><br> with steps

a_sh-v [17]

Answer:

<h3><u>Let's</u><u> </u><u>understand the concept</u><u>:</u><u>-</u></h3>

Here 12 is 90% of a number.
So we can say that 90% of That number is 12 .
In this way we can get the the number

<h3><u>Solution</u><u>:</u><u>-</u></h3>

Let,

the number=x

<h3>According to the question ,</h3>

${:}\longrightarrow$ $\sf 90\% \:of \;x=12$

We know 90%=90/100
so add it

${:}\longrightarrow$ $\sf {\dfrac {90}{100}}\times x=12$

${:}\longrightarrow$ $\sf {\dfrac {90x}{100}}=12$

Now use cross multiplication method

${:}\longrightarrow$ $\sf 90x=12\times 100$

${:}\longrightarrow$ $\sf 90x=1200$

Now interchange sides .

${:}\longrightarrow$ $\sf x={\dfrac {1200}{90}}$

${:}\longrightarrow$ $\sf x={\dfrac {200}{15}}$

Answer will come in decimals so we take approximate value.

${:}\longrightarrow$ $\sf x=13.3$

${:}\longrightarrow$ $\sf x=approximately \:13$

$\therefore$ The number is 13.

6 0

2 years ago

The scale on a map shows that 200 miles is represented by 5 inches on a map which proportion can be used to find the distance of

IRISSAK [1]

Answer:

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Step-by-step explanation:

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3 0

2 years ago

What is the correct answer

krek1111 [17]

Answer:

3x - 9 - (6 / (x+4))

Step-by-step explanation:

3x - 9

|----------------------------------------

(x +4) | (3x^2 + 3x - 42 )

3x^2 + 12x

------------------------------

-9x - 42

-9x - 36

-----------------------------------

- 6

Answer: 3x - 9 - (6 / (x+4))

8 0

2 years ago

Read 2 more answers

Amanda earned a score of 940 on a national achievement test that was normally distributed. The mean test score was 850 with a st

hichkok12 [17]

Answer:

lower than Amanda: 816 students

Step-by-step explanation:

An equivalent way in which to state this problem is: Find the area under the standard normal curve to the left (below) 940.

Most modern calculators have built in distribution functions.

In this case I entered the single command normalcdf(-1000,940, 850, 100)

and obtained 0.816.

In this particular situation, this means that 0.816(1000 students) scored lower than Amanda: 816 students.

6 0

2 years ago

Read 2 more answers

Which points are on the line that connects points (0, 4) and (1, 2)? Select all that apply.

AVprozaik [17]

The points that connect (0,4) and (1,2) are B, E and F. Please mark Brainliest and Hope this Helps

7 0

2 years ago