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3 years ago

10

How many feet in a mile?

1 answer:

Sav [38]3 years ago

7 0

There are 5280 feet in a mile.

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Find the solutions to 2x^2+5x-3=0

maw [93]

Answer:

x=1/2, x=-3

Step-by-step explanation:

2x^2+5x-3 = 0

(2x^2+6x)+(-x-3) = 0

2x(x+3)+-1(x+3) = 0

(2x-1)(x+3)=0

2x-1=0, x+3=0

x=1/2, x=-3

6 0

3 years ago

Writing to Explain Trey wrote 9.009 -0.01 = 9.008. Is his answer correct?<br> Why or why not?

bekas [8.4K]

Answer:

No it is not correct.

Step-by-step explanation:

9.009-0.01=8.999

6 0

2 years ago

ryan has a balance of $75 in his savings account and deposits $25 each week. He needs at least $300 to buy the gift he wants for

horsena [70]

Answer:

25x + 75 ≥ 30

Hope this helps!

4 0

3 years ago

Which three steps are correct when solving this quadratic equation by completing the square? X^2-10x=39

sergey [27]

Step-by-step explanation:

Any answer that involes,

Step 1: Complete the Square

${x}^{2} - 10x = 39$

$( \frac{ - 10}{2} ) {}^{2} = 25$

${x}^{2} - 10x + 25 = 64$

Step 2: Turn the left side into a binomial

$(x - 5) {}^{2} = 64$

Step 3: Solve for x.

$x - 5 = + - 8$

$x - 5 = 8$

$x = 13$

OR

$x - 5 = - 8$

$x = - 3$

X=-3 or X=13

4 0

3 years ago

If the relation is a function, list the domain and range. If the relation is not a function, choose "not a function".

Ber [7]

Function...
Domain:9,8,7,-5
Range:1,-3,5,3

3 0

4 years ago