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Vinil7 [7]
2 years ago
14

Pls help this is due today thank u

Mathematics
1 answer:
Serhud [2]2 years ago
4 0
I believe it would be D/4 since the waters cold, the shore winds are cold, and its right next to the ocean.
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Urgent please help..
storchak [24]
The answer is 51.3

Explanation:
You’re finding angle Y, so write the SOH CAH TOA. the two sides your are given are the adjacent side to Y and the opposite side so you use tangent. You then get the equation tanY=10/8 Since you’re finding an angle you use inverse tangent so you get y=tan^-1(10/8) and then put that into the calculator!
8 0
3 years ago
I traveled 3920 miles and 7 hours on an airplane how many miles do I travel in 1 hour
valentinak56 [21]
Hi , the answer is 600 , because 3920 miles divided by 420 minutes[7hours] equals to 9.33  and 9.33 times 60 minutes[1 hour] equals to 559.8 , which is an approximate of 600.                                                     
6 0
3 years ago
Em quantos meses um capital de R$4.000,00 aplicado a uma taxa de juros simples de 29,3% ao ano, renderá de juros o valor de R$58
Akimi4 [234]

Responda:

6 meses

10 meses

Explicação passo a passo:

Dado que:

Principal = 4000

Juros = 586

Taxa (r) = 29,3% ao ano = 0,293

Juros simples = principal * taxa * tempo

586 = 4000 * 0,293 * t

586 = 1172t

t = 586/1172

t = 0,5 anos

Tempo = (0,5 * 12) = 6 meses

B.)

principal = $ 90909,09

Montante final = 100.000

Taxa (r) = 12% = 0,12

Usando a fórmula:

Quantidade final = p (1 + rt)

Taxa = r; t = tempo

100000 = 90909,09 (1 + 0,12t)

100000 = 90909,09 + 10909,0908t

100000 - 90909,09 = 10909,0908t

9090,91 = 10909,0908t

t = 9090,91 / 10909,0908

t = 0,8333334

Número de meses:

0,8333334 * 12

= 10 meses

4 0
2 years ago
Mrs. Del Pup bought 20 yards of border for her classroom bulletin board.
KengaRu [80]

A rectangle with dimensions x and y has perimeter 20 if

2(x+y)=20 \iff x+y=10

and we can deduce

y=10-x

So, the dimensions of the rectangle must be x and 10-x, where x ranges from 0 to 10 (both extremes are excluded, otherwise you'd have a degenerate rectangle, which is actually a segment).

So, all the possible areas are given by the product of the dimensions, i.e.

x(10-x) = -x^2+10x

The function f(x)=-x^2+10x represents a parabola, facing downwards, and thus it admits a maximum, which is its vertex.

In particular, the vertex of this parabola is given by

x=\dfrac{-b}{2a}=\dfrac{-10}{-2}=5

And it yields an area of

f(5)=-25+50=25

(a) So, she can frame a maximum area of 25 squared yards.

(b)The dimensions of the rectangle with greatest area are x=5 and y=10-x=10-5=5, so it's actually a square.

This is a well known theorem: if you fix the perimeter, the rectangle with the largest area is the square yielding that perimeter.

(c) If we increase both dimensions by 2 yards, our 5x5 square would become a 7x7 square...

(d) ...and the new area would be 7^2=49 squared yards. So, the new area is 49-25=26 squared yeards more than the old one.

6 0
3 years ago
Aunt sally is making cookies for a bake sale. She can bake 120 cookies every hour. Use this information to fill out the mapping
defon

Answer:

Step-by-step explanation: okay each hour she makes 120 cookies right then 2 hours would be 240 and three hours would be 360 and 4 would be 480 and 5 would be 600 hundred

7 0
2 years ago
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