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Katen [24]
2 years ago
9

Solving for x thank youu

Mathematics
1 answer:
Svetach [21]2 years ago
5 0

Answer:

sqrt (90)

Step-by-step explanation:

(13+5)  is to z    as  z is to 5

(13+5) / z = z/5

18/z = z/5

90 = z^2

z = sqrt (90)

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k0ka [10]

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Monica [59]
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3 years ago
The radius of a bicycle wheel is 25.5cm.How many complete revolutions must it take to cover a distance of at least 800m?​
REY [17]

Answer:

500 revolutions.

Step-by-step explanation:

The circumference of the wheel is 2 π r

= 2 *π  * 25.5

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6 0
3 years ago
3x-2 (4x-9) = 4 - 27 - x
pentagon [3]
I got the answer 10.25. Hope this could help. Including my work incase you were required to show work or something :)
3x-2(4x-9)=4-27-x
3x-8x+18=4-27-x
-5x+18=4-27-x
-5x+28=-23-x
-5x+41=-x
41=4x
41/4=10.25
7 0
3 years ago
Triangle ABC is similar to triangle XYZ. The lengths of the two sides of each triangle are given in the figure. Find the length
aleksley [76]

Answer:

a = 8

Step-by-step explanation:

AB / XY = CB / ZY

17 / 25.5 = a / 12

cross-multiply:

25.5a = 17(12)

25.5a = 204

a = 8

5 0
3 years ago
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