1 year ago

Put these fractions in order of size, smallest to largest. 1/3 2/5 3/8

Mathematics

1 answer:

slega [8]1 year ago

3 0

2/5 1/3 3/8 this is your answer I think so I wrong sometimes

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Paladinen [302]

The answers are A and D. Hope this helps!

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2 years ago

92 + x2 = (x + 4)?<br> *Use the value of x to find the radius

Phantasy [73]

Answer:

x=46

Step-by-step explanation:

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2 years ago

a circular oil slick is expanding at a rate of 2m^2/h. Find the rate at which it's diameter is expanding when it's radius is 1.5

aleksandrvk [35]

Answer: $\frac{4\pi}{3} \text{ meter per hour}$

Step-by-step explanation:

The circular oil slick is expanding at a rate of $2 m^2/h$

Let A be the area of the circular oil slick,

So, the changes in A with respect to time (t),

$\frac{dA}{dt} = 2$

$\frac{d(\pi r^2)}{dt} = 2$

$2\pi r\frac{dr}{dt} = 2$

$\frac{dr}{dt} = \frac{1}{\pi r}$

Also, the change in diameter with respect to time(t),

$\frac{d}{dt} (2 r) = 2 \frac{dr}{dt}$

$\frac{d}{dt} (2 r) = 2 \times \frac{1}{\pi r}$

$\frac{d}{dt} (2 r) = \frac{2}{\pi r}$

For r = 1.5 m,

$\frac{d}{dt} ( 2 r)]_{r=1.5} = \frac{2}{\pi \times 1.5}=\frac{20}{\pi \times 15}=\frac{4\pi }{3}\text{ meter per hour}$

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2 years ago

Can sumone help me #11

Maru [420]

Answer:

25$ per month

Step-by-step explanation:

100$ was saved every 4 months so you divide that by four. You will get 25 which is your rate. (25$ per month)

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2 years ago

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stepan [7]

Answer:

Are we supposed to fill in the blanks of the equation?

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2 years ago