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eimsori [14]
3 years ago
14

The work of a student to solve the equation 2(6y − 3) = 20 + 6y is shown below:

Mathematics
1 answer:
Gnom [1K]3 years ago
7 0
Step 2: 8y-5=10+3y is wrong
And the second step is right
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3 years ago
Rosa climbs a 16-meter tower to ride a straight water slide. After landing in the slash pool, she walks 9 meters back to the bas
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Answer:

The length of slide is 18.36 meters

Step-by-step explanation:

The given scenario forms a right-angled triangle where

The height of tower id perpendicular, the distance between slash pool and base of tower is base and the length of slide will be hypotenuse.

Height of tower = h = 16 meters

Distance between slash pool and base of tower = b = 9 meters

Length of slide = s = ?

As it is a right angled triangle, we can use Pythagoras theorem to find the length of slide

Pythagoras theorem states that:

(Hypotenuse)^2 = (Base)^2+(Perpendicular)^2\\s^2 = b^2+h^2\\s^2 = (9)^2+(16)^2\\s^2 = 81+256\\s^2 = 337\\s^2 = 18.36\ meters

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The length of slide is 18.36 meters

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3 years ago
Write in expanded form 72.864
Sergeeva-Olga [200]

Answer:

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7*10 + 5*1 + 8*1/10 + 6*1/100 + 4*1/1000

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3 years ago
(−3 + 8i)(−3 − 8i) =
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