3 years ago

1. What is the rate of change for the equation 3x - 6y = 30 ?

Mathematics

2 answers:

vodka [1.7K]3 years ago

8 0

Answer:

average rate of change is 1/2

Step-by-step explanation:

never [62]3 years ago

7 0

The average rate of change is 1/2

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kvv77 [185]

It would be a 1 in 4 chance

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3 years ago

(1 point) consider the function f(t)=⎧⎩⎨⎪⎪⎪⎪0,−5,−6,6,t<00≤t<11≤t<7t≥7;f(t)={0,t<0−5,0≤t<1−6,1≤t<76,t≥7; 1. wr

sergij07 [2.7K]

$f(t)=\begin{cases}0&\text{for }t$

Recall that

$u(t)=\begin{cases}0&\text{for }t$

Take it one piece at a time. For $t\ge0$ , we can scale $u(t)$ by -5:

$-5u(t)=\begin{cases}0&\text{for }t$

If we shift the argument by 1 and scale by -5, we have

$-5u(t-1)=\begin{cases}0&\text{for }t$

so if we subtract this from $-5u(t)$ , we'll end up with

$-5u(t)+5u(t-1)=\begin{cases}0&\text{for }t$

For the next piece, we can add another scaled and shifted step like

$-6u(t-1)+6u(t-7)=\begin{cases}0&\text{for }t$

so that

$-5u(t)+5u(t-1)-6u(t-1)+6u(t-7)=\begin{cases}0&\text{for }t$

For the last piece, we add one more term:

$6u(t-7)=\begin{cases}0&\text{for }t$

and so putting everything together, we get $f(t)$ :

$f(t)\equiv-5u(t)+5u(t-1)-6u(t-1)+6u(t-7)+6u(t-7)$
$f(t)\equiv-5u(t)-u(t-1)+12u(t-7)$

5 0

3 years ago

PLEASE HELP FAST pleaaaaaaaaaaaaaaaaaaaaaaase

Eduardwww [97]

Answer:

i think the answer is C. 1.5w^2 + 7.5w + 9

6 0

2 years ago

The total mass of 500 crayons is 1 kilogram. What is the mass of each crayon in grams?

Ber [7]

Answer:

I believe it is 2 grams.

Step-by-step explanation:

there are 1000 grams in 1 kg, there are 500 crayons, therefore each crayon weighs 2 grams

7 0

3 years ago

Read 2 more answers

The first number is 4. A rule is multiply by 2 and then subtract 3. What are the fist 6 numbers in the pattern?

Komok [63]

I believe the answer would be: 4.7.9.11.13.15.17

3 0

3 years ago