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Gemiola [76]
3 years ago
6

Help me with this please

Mathematics
1 answer:
Allisa [31]3 years ago
5 0

Answer:

30

Step-by-step explanation:

3x = -21  

-21+ -14 = -35

-35 + 5 = 30

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VMariaS [17]
The answer is B. You can find this by turning 3/4 into a decimal, which is .75. You can then divide .75 by 6 to get 0.125 (which is the decimal form of 1/8).
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4 years ago
A jar contains 50 coins, all either 2 cents or 5 cents. The total value of the coins is $1.87.
trapecia [35]

Answer:

there would be 21 cents

8 0
3 years ago
Read 2 more answers
If y=x-6 where changed to y=x+8 how would the graph of the new function compare with the first one ?
madreJ [45]

Answer:

The function y=x+8 is the function y=x-6 shifted 14 units up.

The graph of the first equation will be a line with slope 1 that intersects the y-axis at point (0,-6)

The graph of the second equation will be a line with slope 1 that intersects the y-axis at point (0,8)

Step-by-step explanation:

The equation of the line in slope intercept form is:

y=mx+b

Where m is the slope and b is the y-intercept.

The first equation is:

y=x-6

The second equation is:

y=x+8

The parent function with the form y=mx can be shifted up or shifted down k units.

When y=mx+k the function is shifted k units up.

When y=mx-k the function is shifted k units down.

Then, the function y=x+8 is obtained by adding k=14 to the function y=x-6.

Both equation has the same slope, but the y-intercepts are different.

The graph of the first equation will be a line with slope 1 that intersects the y-axis at point (0,-6)

The graph of the second equation will be a line with slope 1 that intersects the y-axis at point (0,8)

3 0
3 years ago
What is the fibonacci sequence who invented it and what is it used for
butalik [34]

Answer:

Read the explanation

Step-by-step explanation:

- The Fibonacci Sequence is the series of numbers:

 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ...

- The next number is found by adding up the two numbers before it

# Example:

- The 2 is found by adding the two numbers before it (1+1)

- The 3 is found by adding the two numbers before it (1+2),

- The 5 is (2+3) and so on

- The rule of it is x(n) = x(n-1) + x(n-2) where

# x(n) is term number ⇒ n

# x(n-1) is the previous term ⇒ (n-1)

# x(n-2) is the term before that ⇒ (n-2)

- Example: the 8th term is  the 7th term plus the 6th term:

 x(8) = x(7) + x(6)

# Note: When we take any two consecutive Fibonacci Numbers,

 their ratio is very close to the Golden Ratio φ

- The Golden Ratio φ is approximately 1.618034...

- We can calculate any Fibonacci Number using the Golden Ratio:

  x(n) = [φ^n - (1 - φ)^n]/√5

- The answer is a whole number, exactly equal to the addition of the

  previous two terms.

# There is an interesting patterns in Fibonacci sequence:

  every nth number is a multiple of x(n)

- Example:

* x3 = 2 ⇒ every 3rd number is a multiple of 2 (2, 8, 34, 144, 610, ...)

* x4 = 3 ⇒ Every 4th number is a multiple of 3 (3, 21, 144, ...)

* x5 = 5 ⇒ Every 5th number is a multiple of 5 (5, 55, 610, ...)

- The man who invented it.

 His real name was Leonardo Pisano Bogollo, and he lived between

 1170 and 1250 in Italy.

- Fibonacci was his nickname

- Fibonacci sequence is it used for:

# Reflects patterns of growth spirals (a spiral curve , shape , pattern ,

  object) found in nature

# It is the closest approximation in integers to the logarithmic spiral

  series, which follows the same rule as the Fibonacci sequence

6 0
3 years ago
If your initial principal is $243 and your principal in 2 years is $1,359.19, how much interest did you earn?
jekas [21]

Answer: $1,116.19

Step-by-step explanation:

If you invested $243 and this increased to $1,359.19 in two years, the difference between your investment and its current worth is the interest:

= Current principal - Initial principal

= 1,359.19 - 243

= $1,116.19

5 0
3 years ago
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