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Sixth grade
P.6 Compare and order rational numbers: word problems ETK
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Manuel and his friends built model cars using pieces of wood and plastic wheels. They rolled
the cars down a ramp and measured to see whose car would coast the farthest. Manuel's car
coasted 10 feet, Richard's car coasted 10.5 feet, and Diego's car coasted 10
2
feet.
6
How many of the cars coasted more than 10.75 feet?
Submit

mk./km: lm

step-by-step explanation:

,mlmlm

; mk

lk

the answer is 2/54

step-by-step explanation:

this may not be at all, but i use the same website you're using for school, and if i'm stuck doing one of these i try to look for it on the section.

answer:   the paragraph proof is mentioned below.

step-by-step explanation:

given: in a δxwy where

such that, ∠wzx ≅ ∠yzx and zw≅zy

we have to prove that: segment zx is a perpendicular bisector of segment wy.

prove: since, zw≅zy ⇒ ∠wzy is a supplementary angle.

then, ∠wzy= 180°

⇒∠wzx + ∠yzx = 180° ( because xz divides ∠wzy into two parts)

but, ∠wzx ≅ ∠yzx ( given)

⇒∠wzy+∠wzy=180° ( by substitution)

⇒2∠wzy=180°

⇒∠wzy=90°

⇒∠wzy=∠yzx =90°

therefore, xz⊥wy where wz=zy

⇒zx is a perpendicular bisector of wy.