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3 years ago

9

A candle is 7 in. Y’all after burning for 1 h. The same candle is 5 1/2 in. Y’all after burning for 4 h. How tall will the candl

e be after burning for 6 h?

1 answer:

jonny [76]3 years ago

5 0

the candle will be 4 1/2 after 6 hours

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Write the first 4 terms in the sequence defined by the explicit rule f(n)=n^2 - 5 *n^2 means n squared

Deffense [45]

The question did not spesify the stating value for n.

Assuming, n = 0 is the starting value.

1st term is when n = 0:
f(0) = (0)^2 - 5 = 0 - 5 = -5

2nd term: f(1) = (1)^2 - 5 = 1 - 5 = -4

3rd term: f(2) = (2)^2 - 5 = 4 - 5 = -1

4th term: f(3) = (3)^2 - 5 = 9 - 5 = 4

Therefore, the first 4 terms are: -5, -4, -1, 4.

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3 years ago

4/7<br> of a number is 36<br> What is the number?

katrin [286]

$\text{If the number is x,}\\\\~~~~~\dfrac 47 \cdot x =36\\\\\implies 4x = 36 \times 7\\\\\implies x =\dfrac{36 \times 7}4\\ \\\implies x = 9 \times 7\\\\\implies x = 63\\\\\text{Hence, the number is 63.}$

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1 year ago

Read 2 more answers

Sofia walks from her house to the park.

Olegator [25]

Answer:

4:45

Step-by-step explanation:

What time after 40 minutes gives you 5:25?

If we go back 40 minutes from 5:25, Sofia left her house at 4:45

5 0

2 years ago

Arada [10]

Answer:

y=x-2

Step-by-step explanation:

If you have drawn the graph of $y = x^2 - 3x + 1$ .

To determine the equation of the line which should be drawn to solve the equation: x² - 4x +3=0

Simply carry out the subtraction: $x^2 - 3x + 1 -(x^2 - 4x +3)$

$\implies x^2 -3x + 1-x^2 + 4x -3 \\= x^2 - x^2+ 4x - 3x-3 + 1\\=x-2$

The equation of the line which should be drawn is: y=x-2

What this means is simply:

If

$y = x^2 - 3x + 1$ and $y=x-2,$ then:\\x^2 - 3x + 1=x-2\\x^2 - 3x + 1-x+2=0\\x^2 - 4x + 3=0$

5 0

3 years ago

How do you solve this ?

Alenkasestr [34]

See photo for solution

4 0

3 years ago