1 year ago

Write 9 430 049 in international number system

Mathematics

1 answer:

Nookie1986 [14]1 year ago

5 0

Step-by-step explanation:

9, 430, 049 = 9 million four hundred thirty thousand and fourtynine....

$...$ <em>:)..</em>

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A rectangle has one side of 8 cm. How fast is the diagonal of the rectangle changing at the instant when the other side is 6 cm

lisov135 [29]

<h2>The diagonal is increasing at 1.8 cm/minute.</h2>

Step-by-step explanation:

Let l be one side,w be other side and s be diagonal.

We have

s² = l² + w²

We have

l = 8 cm

w = 6 cm

s² = l² + w²

s² = 8² + 6²

s² = 100

s = 10 cm

Taking derivative with respect to time in s² = l² + w²

$s^2=l^2+w^2\\\\2s\frac{ds}{dt}=2l\frac{dl}{dt}+2w\frac{dw}{dt}\\\\s\frac{ds}{dt}=l\frac{dl}{dt}+w\frac{dw}{dt}\\\\\frac{dw}{dt}=3cm/min\\\\\frac{dl}{dt}=0cm/min\\\\10\frac{ds}{dt}=8\times 0+6\times 3\\\\\frac{ds}{dt}=1.8cm/min$

The diagonal is increasing at 1.8 cm/minute.

7 0

3 years ago

SOMEONE HELP PLEASE <br> <br> WILL PAY 15 points!!!

larisa [96]

This isn't as hard as it looks.
The ratio is 1 to 12.
You just have to multiply the model value by 12.

12 x 5.4 = 64.8 feet. Now, the answer has to be in yards, so divide by 3.
64.8 div 3 = 21.6 feet.

3 0

3 years ago

Read 2 more answers

Convert 24 + 6y = -36 in slope intercept fork

konstantin123 [22]

Answer:

$y = - 10$