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alexira [117]
2 years ago
9

Brainlyyyyyyyy just helppppppppppppppppppppppppppppppppppppppppppp

Mathematics
2 answers:
ANTONII [103]2 years ago
5 0

<u><em>Answer:</em></u>

<u><em>y = 50</em></u>

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

<u><em>Since 20 is even with 100, all we have to do is multiply both sides by 5.</em></u>

<u><em>(5 × 20%) × y = 10 × 5</em></u>

<u><em>y = 50</em></u>

<u><em>Please give me brainliest :)</em></u>

Nutka1998 [239]2 years ago
3 0

50

If 10 is 20% of a number, we can multiply it by 5 to get the original number.

So 10 * 5 = 50, and 20% of 50 is 10.

I hope this helps! :)

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Find parametric equations for the tangent line to the curve with the given parametric equations at the specified point. x = e−5t
Elan Coil [88]

Answer:

x = 1 - 5t

y = t

z = 1 - 5t

Step-by-step explanation:

For the equation of a line, we need a point and a direction vector. We are given a point (1, 0, 1).

Since the line is suppose to be a tangent to the given curve at the point (1, 0, 1), we need to find a tangent vector for which the curve passes through that point.

We have x = e^(-5t)cos5t

at t = 1, x = e^(-5)cos5

at t = 0, x = 1

y = e^(-5t)sin5t

at t = 1, y = e^(-5)sin5

at t = 0, y = 0

z = e^(-5t)

at t = 1, z = e^(-5)

at t = 0, z = 1

Clearly, the only parameter value for which the curve passes through the point (1, 0, 1) is t = 0.

In vector notation, the curve

r(t) = xi + yj + zk

= e^(-5t)cos5t i + e^(-5t)sin5t j + e^(-5t) k

r'(t) = [-5e^(-5t)cos5t - e^(-5t)sin5t] i +[e^(-5t)cos5t - 5e^(-5t)sin5t] j - 5e^(-5t) k

r'(0) = -5i + j - 5k

is a vector tangent at the point.

We get the parametric equation from this.

x = x(0) + tx'(0)

= 1 - 5t

y = y(0) + ty'(0)

= t

z = z(0) + tz'(0)

= 1 - 5t

8 0
3 years ago
Help please!!
DanielleElmas [232]

Answer:

Yes

Step-by-step explanation:

Did the math on my calculator on my phone

6 0
3 years ago
Read 2 more answers
¿Cuál es la factorización en primos de 10? (el formato de la espuesta es 7x7)
mihalych1998 [28]

<h2> first say me plz which language is this</h2>

4 0
3 years ago
Helpppppppppp there are 2 pics attached
fiasKO [112]

Answer:

Option A

Option B

Option E

Option G

Option A and E go together

and

Option B and G go together.

4 0
3 years ago
Sally bought a car for 35000 in 2017. If the car loses 5.5% semiannually, what will the value of the value of the car be at the
kumpel [21]
The value of the year at the end of 2025 will be given by:
A=P(1+r/100)^n
where:
A=future value
P=principle
r=rate
n=number of terms
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p=35000
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n=(2025-2017)*2=16
Thus
A=35000(1+5.5/100)^16
A=$82, 434. 20
5 0
3 years ago
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