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3 years ago

Write an expression for the sequence of operations described below.

Mathematics

1 answer:

kotykmax [81]3 years ago

3 0

Answer:

$f-10^{4}$

Step-by-step explanation:

This is just 2 part:

1. Raise "10" to the 4th power

2. Subtract expression of #1 from "f"

So,

we have f

and we have 10^4

Now we subtract 10^4 from f, thus we have:

$f-10^{4}$

That's simply it.

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MariettaO [177]

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3 years ago

Read 2 more answers

The time, t, required to drive a fixed distance varies inversely as the speed, r. It takes 8 hr at a speed of 15 km/h to driv

loris [4]

Answer:

Step-by-step explanation:

If two variables are directly proportional, it means that an increase in the value of one variable would cause a corresponding decrease in the other variable. Also, a decrease in the value of one variable would cause a corresponding increase in the other variable.

The time, t, required to drive a fixed distance varies inversely as the speed, r. By introducing a constant of variation, k(the fixed distance), the expression becomes

t = k/r

It takes 8 hr at a speed of 15 km/h to drive a fixed distance. It means that

8 = k/15

k = 8 × 15 = 120

The equation becomes

t = 120/r

Therefore, the time it will take to drive the same distance at a speed of 29 km/h is

t = 120/29 hours

Converting to minutes, it becomes

120/29 × 60

= 248. 28 minutes

248 minutes, 28 seconds

7 0

4 years ago

I need help in #24 snd #25 can someone help me please I need them done by tomorrow

Ivahew [28]

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3 0

3 years ago

4x2 + 4x - 1, evaluate and fully simplify each of the - For the function f(0) following f(s + h) f(x + h) - f(5) h 10

Andrew [12]

Given the function f(x);

$f(x)=-4x^2+4x-1$

Evaluating the function f(x+h);

$\begin{gathered} f(x+h)=-4(x+h)^2+4(x+h)-1 \\ f(x+h)=-4(x^2+2xh+h^2)^{}+4(x+h)-1 \\ f(x+h)=-4x^2-4h^2-8xh^{}+4x+4h-1 \end{gathered}$

So;

$f(x+h)=-4x^2-4h^2-8xh^{}+4x+4h-1$

Evaluating the second function;

$\begin{gathered} \frac{f(x+h)-f(x)}{h}=\frac{-4x^2-4h^2-8xh^{}+4x+4h-1-(-4x^2+4x-1)}{h} \\ \frac{f(x+h)-f(x)}{h}=\frac{-4x^2-4h^2-8xh^{}+4x+4h-1+4x^2-4x+1}{h} \\ \frac{f(x+h)-f(x)}{h}=\frac{-4x^2+4x^2-4h^2-8xh^{}+4x-4x+4h-1+1}{h} \\ \frac{f(x+h)-f(x)}{h}=\frac{-4h^2-8xh^{}+4h}{h} \end{gathered}$

simplifying further;

$\begin{gathered} \frac{f(x+h)-f(x)}{h}=\frac{-4h^2-8xh^{}+4h}{h}=-4h-8x+4 \\ \frac{f(x+h)-f(x)}{h}=-4h-8x+4 \end{gathered}$

Therefore, we have;

$undefined$

7 0

1 year ago

Maggle's brother 13 years younger than twice her age. The sum of their ages 32.

Paladinen [302]

Answer:

Maggie is 15 and her brother is is 17

Step-by-step explanation:

15+17=32

15 x 2 = 30 - 13 = 17 + 15 = 32

8 0

3 years ago