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sesenic [268]
3 years ago
5

Pl help it’s for a grade

Mathematics
2 answers:
Nonamiya [84]3 years ago
6 0
The answer is B hqriethrwjwrhqrg
True [87]3 years ago
5 0
I think the answer is b
I hope this helps :)
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Add. Your answer should be a polynomial in standard form. ( − 8 y 2 − 9 y ) + ( 8 y 3 + 9 y 2 − 2 y ) =
aliya0001 [1]
(−8* y^2−9*y)+(8*y^3+9*y^2−2*y) 
first, remove extraneous parentheses (or distribute if negative)
=−8* y^2−9*y+8*y^3+9*y^2−2*y  
then group terms in decreasing degree of y (variable)
=+8*y^3 −8* y^2+9*y^2  −9*y−2*y
simply expression by adding/subtracting similar terms
=+8*y^3 +y^2  −11*y
to give the final answer.
6 0
3 years ago
A number x decreased by 3 is 5​
zysi [14]

Answer:

8

Step-by-step explanation:

x - 3 = 5

x = 5 + 3

x = 8

Therefore, the number is 8.

5 0
2 years ago
What is the relationship between the 5’s in 345,502
Wittaler [7]
The answer is to the question is C
6 0
3 years ago
Jake sold 36 tickets to the school fair, and Jeanne sold 15 tickets. what is the ratio, in simpliest form, to the number of tick
anzhelika [568]

Answer:

I kinda forgot how to do ratios but i think it would be 12 and 5

Step-by-step explanation

Jake                 Jeanne

36                          15

<em>12</em>                            <em>5</em>


8 0
2 years ago
From the hay loft door, Ted sees his dog on the ground. The angle of depression of the dog is 40º. Ted's eye level is 16 feet ab
Vlad1618 [11]

Answer: 19 feet

Step-by-step explanation:

Hi, since the situation forms a right triangle (see attachment) we have to apply the next trigonometric function.  

Tan α = opposite side / adjacent side  

Where α is the angle of depression of the dog, the opposite side (16) is Ted's eye level above the ground, and the adjacent side (x) is the distance between the dog and the barn door.

Replacing with the values given:  

tan40 = 16/x

Solving for x  

x =16/tan40

x= 19 ft  

Feel free to ask for more if needed or if you did not understand something.  

5 0
3 years ago
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