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allochka39001 [22]

3 years ago

5

In Kim's class 5 times as many students take the bus as those who walk. A total of 24 students walk or take rhe bus. How many mo

re students take the bus than walk

1 answer:

nataly862011 [7]3 years ago

3 0

Hmm Lemme Think I Will Have A Answer Later Thank You

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An $80 dress is marked down 25%. Find the price of the dress after the discount

Flura [38]

$80 times 0.25 equals 20
80 minus 20 equals 60 bucks

8 0

3 years ago

4x^2 - 24x + 7 = 3<br> I don't understand how to get to the final answer of <br> x= 3 ± 2sqrt2

sergey [27]

4x² - 24x +7-3 =0
4x² - 24x + 4=0 /:4
x² - 6x +1=0
Use formula

$x = \frac{-b+/- \sqrt{ b^{2}-4ac } }{2a} 

For our equation a=1, b= - 6, c = 1

x= (6+/- \sqrt{36-4)}/2 = \frac{-6+/- \sqrt{32} }{2} = \frac{-6+/- \sqrt{16*2} }{2} = \frac{-6+/-4 \sqrt{2} }{2} 

= -3 +/- 2\sqrt{2} 
$

8 0

3 years ago

The lines shown below are perpendicular. If the green line has a slope of

klasskru [66]

Answer: 4

Step-by-step explanation:

Perpendicular lines have reciprocal slopes

8 0

3 years ago

Which is a reasonable first step that can be used to solve the equation 2 (x + 6) = 3 (x minus 4) + 5?

diamong [38]

Answer:

x=19

Step-by-step explanation:

2(x+6)=3(x-4)+5

2x+2*6=3x-3*4+5

2x+12=3x-12+5

12+12-5=3x-2x

19=x

6 0

3 years ago

Determine the solution set of x2 - 80 = 0

meriva

   x² - 80 = 0
Add 80
to each side: x² = 80

Square root
each side: x    = √80

Look it up: x = + 8.944... (rounded)
   and
   x = - 8.944... (rounded).
___________________________________

Here's a cleaner solution:

   x² - 80 = 0
Add 80
to each side: x² = 80

Square root
each side: x    = √80

But 80 = 16 · 5

So √80 = √16 · √5

√16 = 4, so    x = 4 √5

8 0

3 years ago

Read 2 more answers