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Kruka [31]
3 years ago
7

PLEASE ANSWER ASAP !!!!!

Mathematics
1 answer:
cricket20 [7]3 years ago
7 0

Answer: I am pretty sure it is 2/1

Step-by-step explanation: rise/run

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(HELP! PLEASE!!! 50 POINTS!! JUST TWO QUESTIONS) 1. Using the numbers 5, 8, and 24, create a problem using no more than four ope
andreev551 [17]

Answer:Davinki

Step-by-step explanation:made the mona lisa

4 0
3 years ago
What is 4(1 + 9x) simplified?
konstantin123 [22]

Answer:

4 + 36x is your expression

Step-by-step explanation:

4 x 1 = 4

4 x 9x = 36x

so 4 + 36x is your expression because you can't add numbers with different variables or if they don't even have one.

7 0
3 years ago
Read 2 more answers
Line segment 19 units long running from (x,0) ti (0, y) show the area of the triangle enclosed by the segment is largest when x=
Debora [2.8K]
The area of the triangle is

A = (xy)/2

Also,

sqrt(x^2 + y^2) = 19

We solve this for y.

x^2 + y^2 = 361

y^2 = 361 - x^2

y = sqrt(361 - x^2)

Now we substitute this expression for y in the area equation.

A = (1/2)(x)(sqrt(361 - x^2))

A = (1/2)(x)(361 - x^2)^(1/2)

We take the derivative of A with respect to x.

dA/dx = (1/2)[(x) * d/dx(361 - x^2)^(1/2) + (361 - x^2)^(1/2)]

dA/dx = (1/2)[(x) * (1/2)(361 - x^2)^(-1/2)(-2x) + (361 - x^2)^(1/2)]

dA/dx = (1/2)[(361 - x^2)^(-1/2)(-x^2) + (361 - x^2)^(1/2)]

dA/dx = (1/2)[(-x^2)/(361 - x^2)^(1/2) + (361 - x^2)/(361 - x^2)^(1/2)]

dA/dx = (1/2)[(-x^2 - x^2 + 361)/(361 - x^2)^(1/2)]

dA/dx = (-2x^2 + 361)/[2(361 - x^2)^(1/2)]

Now we set the derivative equal to zero.

(-2x^2 + 361)/[2(361 - x^2)^(1/2)] = 0

-2x^2 + 361 = 0

-2x^2 = -361

2x^2 = 361

x^2 = 361/2

x = 19/sqrt(2)

x^2 + y^2 = 361

(19/sqrt(2))^2 + y^2 = 361

361/2 + y^2 = 361

y^2 = 361/2

y = 19/sqrt(2)

We have maximum area at x = 19/sqrt(2) and y = 19/sqrt(2), or when x = y.
3 0
3 years ago
Sami ordered 132 dresses for her store. what Is 132 rounded to the nearest ten
Pani-rosa [81]
132 is rounded to the 130 cause you just look at the last number and you see what is the closes zero that's why it is 130
4 0
3 years ago
Hello! Please help! (directions on the image) :D
o-na [289]
Maybe 2.5 I guess I know that it says the answer is shown there check it out yourself
6 0
3 years ago
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