3 years ago

Which list is in order from least to greatest?

Mathematics

2 answers:

marin [14]3 years ago

6 0

1.25 x 10^-2

1.94 x 10^-5

stepan [7]3 years ago

5 0

1s 4th 3rd 2nd is the correct answer

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Jessica can run 8/5 of a mile in 8 minutes. How long does it take Jessica to run a mile?

MrRa [10]

Answer:

jessica run mile per5 minute.

8/5 mile=8 minutes

1 mile=8/(8/5)=8×5/8=5 minute.

8 0

3 years ago

Find the area of the surface. The part of the surface z = xy that lies within the cylinder x2 + y2 = 36.

rewona [7]

Answer:

Step-by-step explanation:

From the given information:

The domain D of integration in polar coordinates can be represented by:

D = {(r,θ)| 0 ≤ r ≤ 6, 0 ≤ θ ≤ 2π) &;

The partial derivates for z = xy can be expressed as:

$y =\dfrac{\partial z}{\partial x} , x = \dfrac{\partial z}{\partial y}$

Thus, the area of the surface is as follows:

$\iint_D \sqrt{(\dfrac{\partial z}{\partial x})^2+ (\dfrac{\partial z}{\partial y})^2 +1 }\ dA = \iint_D \sqrt{(y)^2+(x)^2+1 } \ dA$

$= \iint_D \sqrt{x^2 +y^2 +1 } \ dA$

$= \int^{2 \pi}_{0} \int^{6}_{0} \ r \sqrt{r^2 +1 } \ dr \ d \theta$

$=2 \pi \int^{6}_{0} \ r \sqrt{r^2 +1 } \ dr$

$= 2 \pi \begin {bmatrix} \dfrac{1}{3}(r^2 +1) ^{^\dfrac{3}{2}} \end {bmatrix}^6_0$

$= 2 \pi \times \dfrac{1}{3} \Bigg [ (37)^{3/2} - 1 \Bigg]$

$= \dfrac{2 \pi}{3} \Bigg [37 \sqrt{37} -1 \Bigg ]$

3 0

2 years ago

Help!! Which operation should be used to solve X/3= 15? A= ÷3 B= -3 C=+3 D=x3

Lera25 [3.4K]

Answer: D: X3

Step-by-step explanation:

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3 years ago

What is the common point between lines y = ½ x + 4 and y = x – 4?

nirvana33 [79]

1/2X+4=X-4
1/2X+8=X
8=1/2X
16=X

(Pick one of the equations )
y=1/2X+4
y=(1/2)(16)+4
y=12

point: (16,12)

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3 years ago

Perímetro de un trapecio isosceles es 110 m, las bases miden 40 y 30 respectivamente.

Fantom [35]

Answer: English please

Step-by-step explanation:

8 0

3 years ago