3 years ago

I need to know algebra

Mathematics

2 answers:

tino4ka555 [31]3 years ago

8 0

Answer:

There is always khan academy, but what type of algebra?

For algebra 1 there is inequalities, equations, linear equations, system of equations, functions, sequences, parabolas, etc.

Hope this helped!

kari74 [83]3 years ago

6 0

what do you need to know

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Rina8888 [55]

x² - 10x + y² + 8y = 6

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Last year, 60% of runners who competed in the Labor Day race finished in 1 hour or less. There were 285 runners who finished the

Strike441 [17]

Answer:

<u>475 runners</u> competed in the Labor Day race.

Step-by-step explanation:

Given:

Last year, 60% of runners who competed in the Labor Day race finished in 1 hour or less. There were 285 runners who finished the Labor Day race in 1 hour or less.

Now, to find the runners competed in the Labor Day race.

Let the runners competed in the Labor Day race be $x.$

Rate of runners who competed in the Labor Day race finished in 1 hour or less = 60%.

Number of runners who competed in the Labor Day race finished in 1 hour or less = 285.

Now, to get the runners competed in the Labor Day race we put an equation:

$60\%\ of\ x=285$

$\frac{60}{100} \times x=285$

$0.60x=285$

<em>Dividing both sides by 0.60 we get:</em>

$x=475.$

Therefore, 475 runners competed in the Labor Day race.

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