9. The function h(t) = 150 - 4t represents the height of a person repelling downa building for the first time where t is measured in minutes and h is measured in
feet above the ground. How high would the person be one half hour after
beginning his descent?

ummsumaiyah3583   ·   05.06.2022 08:10
ANSWER(S): 3 Show answers 3 Сomment
ANSWER(S)
answered: Amyra2003
27.06.2019 10:30
Claude debussy's music was associated with answer choice 3, impressionist
answered: autumn8668
24.06.2019 22:30

< coa = 150 ( given)

as ba and bc are tangents

so oc and oa is perpendicular to cb and ab respectively because in circle normal passes through centre

so in quadrilateral oabc

< coa + < oab + < ocb + < abc = 360

150 +90+90 + < abc = 360

330 + < abc = 360

< abc = 360 -330 = 30

so < abc = 30

⭐dhruv⭐

In the diagram of circle o, what is the measure of abc? 210 150
answered: dimondqueen511
23.06.2019 00:00
A= r2 × 3.14 11×11 ↓ ↓ 121 × 3.14 = 379.94 → 379.9
answered: krojas015
05.06.2022 08:10

30 ft

Step-by-step explanation:

Half an hour is equivalent to 30 minutes.

Thus, h(t) = 150 - 4t becomes h(30 min) = 150 ft - 4(ft/min)(30 min) = 30 ft

05.06.2022 08:10

30 feet

Step-by-step explanation:

Hello!

Half an hour is 30 minutes, so that means we are asked to find h(30).

Solve for h(30):

h(30) = 150 - 4(30)         Substitute 30 for th(30) = 150 - 120            Simplifyh(30) = 30

The person would be 30 feet above the ground in half an hour.

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