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4 years ago

Write an equation that models the sequence 6, 12, 24, 48...

Mathematics

2 answers:

White raven [17]4 years ago

7 0

Answer: x2

Step-by-step explanation:

6x2=12x2=24x2=48

Pani-rosa [81]4 years ago

4 0

A+a=b b+b=c c+c=d and keep doing this and the answer will be double the previous answer.

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Which of the following has the correct factored form AND the correct solutions for the quadratic equation? X^2-2x-3=0

rjkz [21]

The factored form of the quadratic equation x² - 2x - 3 = 0 is (x - 3)(x + 1)

<h3>How to factor quadratic equation?</h3>

The quadratic equation can be factored as follows;

x² - 2x - 3 = 0

Therefore, let's find the numbers we can multiply to get -3 and add to get -2.

x² + x - 3x - 3

x(x + 1) - 3(x + 1)

Therefore,

(x - 3)(x + 1)

Therefore, the factored form of x² - 2x - 3 = 0 is (x - 3)(x + 1)

learn more on quadratic equation here: brainly.com/question/18427257

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5 0

2 years ago

The five members of the Traynor family each buy train tickets. During the train ride, each family member buys a boxed lunch for

larisa [96]

Let's assume

the price of each train ticket is x

we are given

total number of family members =5

so, total cost of ticket = total number of family members*the price of each ticket

so, total cost of ticket =5*x

so, total cost of ticket =5x

now, we have

each family member buys a boxed lunch for $6.50

so, total cost of lunch box = total number of family members*price of each lunch box

so, total cost of lunch box = 5*6.50

total cost of trip = total cost of ticket+total cost of lunch box

we are given

total cost of trip is $248.50

now, we can plug values

and we get

$248.50=5x+5*6.50$

now, we can solve for x

$248.50=5x+32.5$

$248.50-32.5=5x+32.5-32.5$

$216=5x$

$\frac{5x}{5} =\frac{216}{5}$

$x=43.2$

so,

the price of each train ticket is $43.2..........Answer

8 0

3 years ago

Read 2 more answers

what is the example of a product that will have the same number of zeros in the factors and the products? what is one example of

Natalka [10]

Answer:

same: 30×40 = 1200
different: 20×50 = 1000

Step-by-step explanation:

Same: 30×40 = 1200 . . . . . 2 zeros in the factors; 2 in the product

Different: 20×50 = 1000 . . . 2 zeros in the factors; 3 in the product

Same: 0.3×0.4 = 0.12 . . . . no zeros in the factors; no zeros in the product

Different: 0.2×0.4 = 0.08 . . . no zeros in the factors; 1 zero in the product after the decimal point

_____

For a product, the number of zeros will be different if the combined factors of the numbers increase the number of factors of 10 beyond the sum of the factors of 10 of the numbers being multiplied.

<u>Example</u>: neither 2 nor 5 has a factor of 10, but their product does.

For a product that is a decimal fraction, the number of leading zeros will increase if the product of the mantissas of the numbers is less than 10. The number of trailing zeros will increase under the conditions discussed above. (0.25×0.4 = 0.100)

_____

<em>Additional comment</em>

Here, the term "mantissa" is used to refer to the portion of the number written in scientific notation that multiplies the power of 10.

3 0

3 years ago

What is the product of 1/2 and 3/5 ?

Svetradugi [14.3K]

Answer:

3/10

I think??

6 0

3 years ago

Read 2 more answers

The length of a rectangular box is 4 times its width, and its height is 7in more than its width. The volume of the box is 126in3

Ierofanga [76]

Answer:

1.88 inches

Step-by-step explanation:

The volume is the product of length, width, and height. If w represents the width of the box, then its length is 4w and its height is w+7. The volume is then ...

V = (4w)(w)(w+7)

We want to find the value of w that makes V=126. It is convenient to use the graphing calculator to look for zeros of a function, so we can write the equation as ...

V - 126 = 0

4w·w·(w+7) -126 = 0

The only positive solution to this equation is near w ≈ 1.883.

The width of the box is about 1.88 inches.

_____

Attached is output from the DESMOS free graphing calculator. The ALEKS calculator requires a subscription. The method of solution is substantially the same, but requires a little more work on the ALEKS calculator to find the zero-crossing.

8 0

3 years ago