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Tems11 [23]
3 years ago
13

Use the scale factor 1:15 to find the missing dimension.

Mathematics
1 answer:
mestny [16]3 years ago
6 0

Answer:

20 cm

Step-by-step explanation:

3 m*\frac{1}{15} *\frac{100 cm}{1 m}

1. Multiply the actual depth my the scale factor of 1/15.

2. Multiply the resulting depth after multiply by the scale factor by the conversion factor of meters to centimeters.

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The curve given by x=sin(t),y=sin(t+sin(t)) has two tangent lines at the point (x,y)=(0,0). List both of them in order of increa
SOVA2 [1]

Answer:

y = 0

y =2x

Step-by-step explanation:

Given parametric equations:

x (t) = sin (t)

y (t) = sin (t + sin (t))

The slope of the curve at any given point is given by dy / dx we will use chain rule to find dy / dx

(dy / dx) * (dx / dt) = (dy / dt)

(dy / dx) = (dy / dt) / (dx / dt)

Evaluate dx / dt and dy / dt

dx / dt = cos (t)

dy / dt = cos (t + sin (t)) * (1+cos (t))

Hence,

dy / dx = (1+cos(t))*cos(t + sin (t))) / cos (t)

@Given point (x,y) = 0 we evaluate t

0 = sin (t)

t = 0 , pi

Input two values of t and compute dy / dx

@ t = 0

dy / dx = (1 + cos (0))*cos (0 + sin (0))) / cos (0)

dy / dx = (1+1)*(1) / (1) = 2 @ t = 0

@t = pi

dy / dx = ( 1 + cos (pi))* cos (pi + sin (pi)) / cos (pi)

dy / dx = (1-1) * (-1) / (-1) = 0 @ t = pi

The corresponding gradients are 0 and 2 in increasing order and their respective equations are:

y = 2x

y = 0

5 0
3 years ago
Please someone help me!!!! SHOW ALL WORK! ive been stuck on this question for 2 days!! :((((((
Otrada [13]

Step-by-step explanation:

x² + y² − 8x + 10y − 8 = 0

Rearrange:

x² − 8x + y² + 10y = 8

To complete the square, take half of the x and y coefficients, square it, then add the result to both sides.

(-8/2)² = 16

(10/2)² = 25

x² − 8x + 16 + y² + 10y + 25 = 8 + 16 + 25

x² − 8x + 16 + y² + 10y + 25 = 49

Factor the squares:

(x − 4)² + (y + 5)² = 49

The center is (4, -5) and the radius is 7.

6 0
3 years ago
What are the reasoning for the statement <br><br>6x+6+1=8<br><br>6x+7=8<br><br>6x=1<br><br>X=1/6
AlladinOne [14]
Step 1. Combine like terms
Step 2. Subtract 7 from both sides
Step 3. Divide 6 from both sides
Final answer: x=1/6
3 0
3 years ago
Read 2 more answers
Which choice is the solution to the inequality below?
Temka [501]
It’s called me a few minutes before the meeting so I’m not working for you and
8 0
3 years ago
the art teacher is sending home a total of 3,150 projects before winter break if each of her 150 students had the same number of
Alenkinab [10]

Answer:

21 projects each

Step-by-step explanation:

3150 ÷150

4 0
3 years ago
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