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Vaselesa [24]
3 years ago
15

Please help me out!! i will mark you brainliest❤️

Mathematics
1 answer:
kogti [31]3 years ago
8 0

Answer:

the length is 18 and the width is 16

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What is the product of (–1.5)(0.8)
topjm [15]
The best answer would be -1.2 because when you multiply a negative by a positive, you always get a negative. Hope this helped!
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Joan descends down a
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28

Step-by-step explanation:

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3. A person standing 3 feet away from the base of a lamp post casts a shadow 4 feet long. If the person is 6 feet tall and walks
german

Answer:

533.33 ft/min

Step-by-step explanation:

We are given that

x=3 feet

y=4 feet

Height of person,h=6 feet

\frac{dx}{dt}=400 ft/min

Triangle ABC and A'B'C are similar because all right triangles are similar

By using similarity property

\frac{h'}{6}=\frac{7}{4}

h'=10.5 feet

x+y=3+4=7 feet

\frac{h'}{6}=\frac{x+y}{y}

\frac{10.5}{6}=\frac{x+y}{y}

10.5y=6x+6y

10.5y-6y=6x

4.5y=6x

Differentiate w.r.t t

4.5\frac{dy}{dt}=6\frac{dx}{dt}

\frac{dy}{dt}=\frac{6\times 400}{4.5}ft/min

\frac{dy}{dt}=533.33ft/min

Hence, If the person is 6 feet tall and walks away from the lamp post at a speed of 400 feet per minute then his shadow moving at the rate 533.33 ft/min

7 0
3 years ago
I need help ASAP <br> Which one is it ?
mamaluj [8]

Answer:

C

Step-by-step explanation:

Tangent = opposite/adjecent.

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What is k(-4)?<br><br> K(t)=13t-2
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plug (-4) in for t and solve for k(t)

3 0
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