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3 years ago

How to write a quadratic form vertex form to standard form

1 answer:

5 0

Www.virtualnerd.com/algebra-2/quadratics/transforming-functions/vertex-form/convert-vertex-to-standa...

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Jeremy can row 3/8 of a mile in 1/4 of an hour.

Elza [17]

Answer:

3/2 mph

Step-by-step explanation:

$\frac{3}{8}$ = $\frac{r}{4}$

cross-multiply: 8r = 12

r = 12/8 or 1.5 mph

6 0

3 years ago

Count the left handed and right handed spirals on the cacti in the photograph you should get two consecutive terms of the Fibona

lana [24]

You can count the spirals because they are coloured.

The left handed spirals are in red and you can count 13.

The rifht hanged spirals are in yellow and you can count 21.

Fibonacci sequence is: 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, ... From 2 the next number is the sum of the two previous numbers:

2 = 1 + 1

3 = 2 + 1

5 = 3 + 2

8 = 5 + 3

13 = 8 + 5

21 = 13 + 8.

Fibonacci numbers are found in many structures in nature.

We have just found that these cacti enclose Fibonacci numbers 13 and 21.

Answer: 13 and 21

8 0

3 years ago

On average, Mercury is about 57,000,000 km from the sun , whereas Neptune is about 4.5*10^9 km from the sun. What is difference

lbvjy [14]

18,000,000 kilometers

4 0

3 years ago

Which number can each term of the equation be multiplied by to eliminate the fractions before solving

zhuklara [117]

Answer:

Answer D: 12

Step-by-step explanation:

Three distinct denominators are shown here: 4, 3 and 2. The LCD is 12.

This corresponds to answer D.

4 0

3 years ago

Stefan sells Jin a bicycle for $176 and a helmet for $16. The total cost for Jin is 160% of what Stefan spent originally to b

Elis [28]

Answer:

Stefan originally paid $120 for the bicycle and helmet.

He made $72 by selling them to Jin.

Step-by-step explanation:

Given that:

Selling price of bicycle = $176

Selling price of helmet = $16

Total price = 176+16 = $192

This is 160% of what Stefan paid originally.

Let,

x be the original amount paid by Stefan.

160% of x = 192

$\frac{160}{100}x=192\\1.6x=192$

Dividing both sides by 1.6

$\frac{1.6x}{1.6}=\frac{192}{1.6}\\x=120$

Original amount paid by Stefan = $120

Profit = 192 - 120 = $72

Hence

Stefan originally paid $120 for the bicycle and helmet.

He made $72 by selling them to Jin.

3 0

3 years ago