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3 years ago

6

Change 6/1/4%to a fraction

1 answer:

Andreas93 [3]3 years ago

4 0

6. 1
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. 4
I can't write the response understandable on this screen, I hope this is some use to u.

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1. Which formula defines the sequence f(1)=2, f(2)= 6, f(3)= 10, f(4)= 14, f(5)= 18?

Natasha_Volkova [10]

Answer:

$f(n) =4 + f(n-1) \\for\ n>2$

Step-by-step explanation:

Given

$f(1)=2\\ f(2)= 6\\ f(3)= 10\\ f(4)= 14\\ f(5)= 18$

Required

Determine the formula

First, we need to solve common difference (d)

$d = f(n) - f(n-1)$

Take n as 2

$d = f(2) - f(2-1)$

$d = 6 - 2$

$d = 4$

Represent each function as a sum of the previous

$f(1) = 2$

$f(2) = 2 + 4 = f(1) + 4$

$f(3) = 6 + 4 = f(2) + 4$

$f(4) = 10 + 4 = f(3) + 4$

$f(5) = 14 + 4 = f(4) + 4$

Represent the function as $f(n)$

$f(n) =f(n-1) + 4$

Reorder

$f(n) =4 + f(n-1) \\for\ n>2$

7 0

4 years ago

Anyone know this will mark brain.....pic below..

Naddika [18.5K]

Answer:

$15x + 30y - 220$

Step-by-step explanation:

$(30 \times \frac{1}{2} x ) + (30 \times - 2) + (40 \times \frac{3}{4} y )+( 40 \times - 4)$

$= 15x - 60 + 30y - 160$

$= 15x + 30y - 60 - 160 \\ = 15x + 30y - 220$

7 0

3 years ago

The answer I got was C

defon

Answer:

it is correct

Step-by-step explanation:

8 0

3 years ago

Explain how to solve 4^x+3 = 7 using the change of base formula log base b of y equals log y over log b. Include the solution fo

Masja [62]

The value of x is 1

Explanation:

The equation is $4^x+3=7$

Subtracting both sides by 3, we get,

$4^x=4$

Taking log on both sides, we get,

$\log 4^{x}=\log 4$

Rewriting the equation by $4^{x}=u$

Thus, we have,

$\log u=\log 4$

Applying log rule, if $\log f(x)=\log g(x)$ , then $f(x)=g(x)$

Thus, $u=4$

Substituting $u=4$ in $4^{x}=u$ , we get,

$4^x=4$

Also, since, $a^{f(x)}=a^{g(x)}$ , then $f(x)=g(x)$

Thus, $x=1$

Hence, the value of x is 1

7 0

3 years ago

Which of the following is a terminating decimal? Question 1 options:

Juli2301 [7.4K]

The answer for your question is c

6 0

3 years ago