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Murljashka [212]
3 years ago
6

Find the perimeter. x + 7y units 4x2 - x + 5y units

Mathematics
1 answer:
anyanavicka [17]3 years ago
8 0

Answer:

4x^2 + 12y

Step-by-step explanation:

x + 7y + 4x^2 - x + 5y

4x^2 + 12y

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suppose that you are headed toward a plateau 80 meters high. if the angle of elevation to the top of the plateau is 35 degree, h
slega [8]

We are 114.28 m from the base of the plateau .

<u>Step-by-step explanation:</u>

Here we have , suppose that you are headed toward a plateau 80 meters high. if the angle of elevation to the top of the plateau is 35 degree, WE need to find that how far are you from the base of the plateau . If we see in question , it's clearly a question from application of trigonometry :

We have ,

Perpendicular = 80 m

Base = x

Angle =  35 = \alpha ( between base & hypotenuse )

It's a right angled triangle , So

tan\alpha  = \frac{Perpendicular}{base}

⇒ tan\alpha  = \frac{Perpendicular}{base}

⇒ tan35  = \frac{80}{x}

⇒ x  = \frac{80}{tan35}

tan35 = 0.7

⇒ x  = \frac{80}{0.7}

⇒ x  = 114.28m

Therefore, We are 114.28 m from the base of the plateau .

3 0
3 years ago
Convert Decimal to Percent<br>0.175 = 17.5<br>0.14 =<br>0.86 =<br>0.21 =<br>0.178 =<br>0.81 =<br>​
Komok [63]

0.175 = 17.5%

0.14 = 14 %

0.86 = 86%

0.21 = 21%

0.178 = 17.8%

0.81 = 81%

ALL YOU HAVE TO DO TO FIND THE PERCENTAGE IS MOVE THE POINT TWO (2) PLACES TO THE RIGHT FROM IT'S PREVIOUS POSITION...

4 0
4 years ago
What is 2.3*2.1 Please find the answer ​
anygoal [31]

Answer: 4.83

Step-by-step explanation:

2.3*2.1= 4.83

7 0
4 years ago
Read 2 more answers
21 tens divided by 4
koban [17]
21 tens  = 21 x 10 = 210

210/4 = 52.5

52.5 is your answer

hope this helps
8 0
4 years ago
!!!*BRAINLIEST*!!!
QveST [7]

Answer:

A

Step-by-step explanation:

Area = length times height times width

Area = 164 x 82 x 9.8

= 131790.4

Multiply by 7.48 since it takes 7.48 gallons to fill a cubic foot then you find the answer of A.

8 0
3 years ago
Read 2 more answers
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