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3 years ago

6x ² +10x−1 and -5x²-2x+1−5x 2 −2x+1

Mathematics

1 answer:

NeX [460]3 years ago

8 0

Step-by-step explanation:

Kes emmak Nasrallah Ayre bel shi3a kes ekht l chi 3a b ayre

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Your round-trip drive to work is 4 1. miles. How many miles do you drive to and from

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Last one okay bye have a nice day

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3 years ago

Write an explicit formula for each arithmetic sequence.

elena-s [515]

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3 years ago

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Tonya has 5/8 yards of ribbon and is sharing it with Terri by cutting it in half. How much ribbon will each girl have?

Colt1911 [192]

Answer:

5/16

Step-by-step explanation:

you can't split 5 in half, so you need to multiply the fraction to make it so you can split it in half. Multiply the equation by 2

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now you can divide it by two to get 5/16

Hope this helps!

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3 years ago

PLEASE HELP!

tekilochka [14]

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4 years ago

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The table below shows the distance a train traveled over time. How can you determine the equation that represents this relations

n200080 [17]

Answer:

see the explanation

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $k=\frac{y}{x}$ or $y=kx$

In a proportional relationship the constant of proportionality k is equal to the slope m of the line and the line passes through the origin

Let

x ----> the time in seconds

y ---> the distance in meters

In this problem we have a proportional relationship between the variables x and y

Find the constant of proportionality k

$k=\frac{y}{x}$

For x=2, y=25 ---> $k=\frac{25}{2}=12.5$

For x=4, y=50 ---> $k=\frac{50}{4}=12.5$

For x=6, y=75 ---> $k=\frac{75}{6}=12.5$

For x=8, y=100 ---> $k=\frac{100}{8}=12.5$

The value of k is $12.5\ \frac{m}{sec}$

In this problem the value of k or slope represent the speed of the train

The linear equation is equal to

$y=12.5x$

$Distance=12.5Time$

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4 years ago