2 years ago

I ONLY HAVE 5 MIN TO ANSWER PLEASE HELP ME !!!!!!!!!!!

1 answer:

7 0

multiplying two numbers (factors) together will result in the same thing as breaking up one factor into two addends, multiplying both addends by the other factor, and adding together both products

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Consider the problem of finding the line of symmetry and vertex of the quadratic equation f(x) =x^2-8x+15 What is the error in t

Elenna [48]

$\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{llccll} f(x) = &{{ 1}}x^2&{{ -8}}x&{{ +15}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)
\\\\\\
\textit{so the line of symmetry will be at }x=-\cfrac{{{ b}}}{2{{ a}}}$

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3 years ago

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Michael timed a train using a clock. the train traveled a distance of half mile from t = 10 seconds to t = 55 seconds. what was

Alekssandra [29.7K]

Answer:

Step-by-step explanation:

The train traveled half a mile.

1 mile = 5280 ft

0.5 mile = 0.5 * 5280 ft = 2640 ft

A time from 10 sec to 55 sec is 55 sec - 10 sec = 45 seconds.

2640 ft in 45 seconds

speed = distance/time

speed = 2640 ft / 45 sec = 58.6666... ft/sec

Answer: speed = 58.7 ft/sec

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2 years ago

Becky has one piece of paper. She cuts the paper in half and then has two pieces. She cuts these in half to get four pieces. The

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C.) p(1) = 1; p(n) = p(n-1) + 1

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3 years ago

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This is the graph of f(x) = lxl.

irina [24]

Answer:

You are clicking on graphs.

However, you should sketch a graph of your function to see what the correct one looks like.

Create a table containing a few values of x and y

I chose x = -4, -2, 0, 2, 4.

Draw your axes

Plot your points

Draw the graph

Your graph should look like the one below.

Step-by-step explanation:

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2 years ago

Derrick measured an insect wing that was .1 meters long. Leslie measured an insect wing that was 1/10 as long as the wing Derric

Gelneren [198K]

Let x be the measure of leslie wing
insect wing=1m=100cm
insect wing= 1/10 of leslie wing
100cm=1/10 *x
1000cm=x
x=1000cm
x=10m
therefore the leslie wing = 10m

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2 years ago