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kari74 [83]
3 years ago
11

Rewrite the following radicals in the indicated form

Mathematics
1 answer:
lyudmila [28]3 years ago
5 0
128 = 2^7 = 2*(2^3)^2
sqrt(128) = sqrt(2*(2^3)^2) = 2^3*sqrt(2)
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Point A is at (2, -8) and point C is at (-4, 7).
Dahasolnce [82]

Answer:

(-2, 2)

Step-by-step explanation:

<u>Given:</u>

  • Point A is at (2, -8) and point C is at (-4, 7)

<u>Difference of coordinates:</u>

  • Δx = 2 - (-4) = 6
  • Δy = - 8 - 7 = - 15

<u>The ratio of AB to AC is 2:1. So:</u>

  • AB = 2*AC/3 and BC = AC/3

<u>Then coordinates of point B should be 2/3 from the point A:</u>

  • x = 2- 6*2/3 = 2 - 4 = -2
  • y = - 8 - (-15)*2/3 = -8 + 10 = 2

So point B has coordinates of (-2, 2)

7 0
3 years ago
Ralph and Jody go to the store to buy chips and candy bars. Ralph buys 3 bags of potato chips and 4 candy bars for 375 cents. Jo
s2008m [1.1K]
3x+4y = 375
6x+ 4y= 600
-------------------
6x-3x  = 600 - 375

3x=225
x=225:3
x=75 cents

3*x+4y= 375
3*75+4y=375
225 +4y = 375
4y=375-225
4y=150
y=150:4
y=37,5 cents

the price is 75+37,5=112,5 cents for one bag of potato chips and one candy bar

3 0
3 years ago
3+4 40+3 30+4 which of these is another way to write
zhuklara [117]
(3+4) (40+3) (30+4) 
= 7 + 47 + 34
= (7+47) +35
=  54 + 35 
=   89
8 0
3 years ago
Read 2 more answers
Barbra can walk 3,200 meters in 24 minutes. How far can she walk in three minutes.
lisabon 2012 [21]

Answer:

Step-by-step explanation:

To find how far she can walk in 3 minutes, we need to find how fast she can walk in 1 minutes. We do this by dividing the distance she walked by the time she walked. Lets do so.

3200/24=133.33

She walks 133.33 meters per minute. Now to find her distance in 3 minutes w multiply this number by 3.

133.33*3=400

Barbra walks 400 meters every 3 minutes.

3 0
3 years ago
Write in slope-intercept form an equation of the line that passes through the point (r,p) with slope q.
-BARSIC- [3]

Answer:

y=q(x-r)+p

Step-by-step explanation:

y-y1=m(x-x1)

y-p=q(x-r)

y=qx-qr+p

y=q(x-r)+p

8 0
3 years ago
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