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artcher [175]
3 years ago
9

PLS HELPPP

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
7 0

Answer:

d. (9,-260°)

Step-by-step explanation:

100° = 100-360 = -260°

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2 numbers are in the ratio 1:2 if the first number is decreased by 5 and second number is increased by 4 their ratio becomes 5:4
Anna35 [415]

Answer:

-20/3 & -40/3

Step-by-step explanation:

Let’s say that the 1st number is X and the 2nd number is Y.

Given that x:y = 1:2 => x/y = 1/2 => 2x = y

and a-5/y+4 = 5/4 (The first number is decreased by 5 and the second number is increased by 4.)

=> 4(x - 5) = 5 (y + 4)

=> 4x - 20 = 5y + 20

=> 4x - 5y = 40

As, 2x = y , 4x = 2y

=> 2y - 5y = 40

=> -3y = 40

=> y = -40/3 ; x = y/2 = -20/3

This might be confusing but I hope this helps :)

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3 years ago
A hiking trail rises 9 feet for every horizontal change of 150 feet. What is the slope of the hiking trail?
Kipish [7]
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Nadusha1986 [10]

Answer:

Trinomial

Step-by-step explanation:

Because it is broken up in three terms and trinomial means three terms

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Numbers like 10 100 1000 and so on are called
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Help plz so I don't get phone taken
Ilia_Sergeevich [38]

1) d/r = t

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