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1 year ago

12. A bird sits on top of a lamppost 20 meters tall. The distance from the bird to the feet of an observer is 25

Mathematics

1 answer:

Mrac [35]1 year ago

4 0

Answer: I love budgies

Step-by-step explanation: if you take one out the other dies

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A 4 sided polygon has 2 congruent sides and the non congruent sides are parallel. What is the most accurate name of the polygon?

Harlamova29_29 [7]

Answer:

Trapezoid

Step-by-step explanation:

So there's four sides on a trapezoid. The top and bottom ones are parallel. But they're not congruent. I don't think... Anyway, good luck.

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2 years ago

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4w + x + 2y - 3z= -16

barxatty [35]

See photo. I hope it helps

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2 years ago

What is a distinct factor in math?

Mrac [35]

Distinct prime factors are factors that can not be reduced any further.... Such factors are like 3,5, and 7.

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3 years ago

A system of linear equations is shown below.

Firdavs [7]

The answer of this is gonna be 7

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2 years ago

Fernell and Dabney shared the driving

Agata [3.3K]

Answer:

15 hours

Step-by-step explanation:

Given:

Fernell's speed $v_F= 50$ mph

Dabney's speed $v_D= 64$ mph

Denote:

$D_F$ - distance covered by Fernell

$D_D$ - distance covered by Dabney

$t_F$ - Fernell's time

$t_D$ - Dabney's time

1. If Fernell drove for 3 hours longer than Dabney, then his time is 3 hours more than Dabney's time and

$t_F=t_D+3$

2. If Fernell covered 18 miles less than Dabney, then

$D_D-D_F=18$

Use formula $D=t\cdot v$

$D_D=v_D\cdot t_D\Rightarrow D_D=64\cdot t_D\\ \\D_F=v_F\cdot t_F\Rightarrow D_F=50\cdot (t_D+3)$

Subtract from the first equation the second equation and equate it to 18:

$64t_D-50(t_D+3)=18\\ \\64t_D-50t_D-150=18\\ \\14t_D=168\\ \\t_D=12\ \text{hours}$

$t_F=t_D+3=12+3=15\ \text{hours}$

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2 years ago