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son4ous [18]
3 years ago
7

A usb flash drive costs $16. You have $50. Write an inequality to represent the number of usb flash drives you can buy.

Mathematics
1 answer:
borishaifa [10]3 years ago
3 0

Answer:

x≤3

Step-by-step explanation:

Since you can't get any more than 3 flash drives, the inequality is (making x=the number of USB flash drives you can buy):

x≤3

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Rewrite the following equation in standard form.<br><br> y= -2/7x + 5/8
nikitadnepr [17]
The equation in standard form would be,
\frac{2}{7} x + y =  \frac{5}{8}
All you have to do is move -2/7x to the other side.

Hope this helped
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8 0
3 years ago
A spherical party balloon is being inflated with helium pumped in at a rate of 10 cubic feet per minute. How fast is the radius
Anastaziya [24]

Answer:

The radius is growing at a rate of   \frac{dr}{dt}  = \frac{10}{4 \pi} = 0.795 ft per minute.

Step-by-step explanation:

From the information given we know that

\frac{dV}{dt} = 10

And we know as well that .

V = \frac{4}{3} \pi r^3

Since everything is changing with the time we can compute the implicit  derivative and we would get that

\frac{dV}{dt} = 10 = 4\pi r^2 \frac{dr}{dt}

We are told that we are looking for how fast is the radius growing at the instant when the radius has reached 1 ft, therefore  r = 1.

And when we solve for  \frac{dr}{dt}  = \frac{10}{4 \pi} = 0.795

3 0
3 years ago
Need help with this.
natka813 [3]

Answer:

yes to 5, and no to -7 (only because we are dealing with real positive numbers, not imaginary numbers). the domain is all real numbers greater than or equal to 2

Step-by-step explanation:

3 0
3 years ago
In the following equation f(n) = 2n + 3, what value represents the growth?
frosja888 [35]

Answer:

3 represent growth it is the ans of this qn

Step-by-step explanation:

bcz 3 is increasing eqn by 3

3 0
3 years ago
Find the sum of these polynomials.<br> (4x2 + 3x - 1) + (x2 - 5x - 6) =
zhuklara [117]

Answer:      5x2-2x-7

Step-by-step explanation:

(4x2 + 3x - 1) + (x2 - 5x - 6)

=4x2+3x-1+x2-5x-6

=5x2-2x-7

4 0
3 years ago
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