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Whitepunk [10]
3 years ago
8

One day, the system stops working correctly. The faucet starts to fill the aquarium at a rate of 30 liters per minute, and the d

rain opens at the same time, draining the water at a rate of 20 liters per minute.
Mathematics
2 answers:
Kay [80]3 years ago
7 0

Answer:

I need Help on this one too.

Step-by-step explanation:

Please help

Ratling [72]3 years ago
6 0

Answer:

Step-by-step explanation: which things

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Simplify... (10x-8) + (4x+5)
IRINA_888 [86]

Answer:

14x - 3

Step-by-step explanation:

Hope this helps and Marry Christmas! :)

~Zane

3 0
3 years ago
Read 2 more answers
What is the first step in estimating the quotient 492/50
frutty [35]

Answer:

See below in bold.

Step-by-step explanation:

Round 492 to 500, then

estimate is 500/50 = 10.

3 0
3 years ago
Convert from Decimal Notation to Scientific Notation
umka21 [38]

Answer:

Hence, 0.026 can be expressed as $2.6 \times 10^{-2}$.

Step-by-step explanation:

- Given 0.026

- Use given, move the decimal point so that first factor is greater than or equal to 1 but less than 10 .

- Then count n and write in scientific notation.

Step 1 of 1

Consider 0.026

$$\Rightarrow 2.6$$

Decimal has moved 2 places to right.

The power will be negative as original no. is less than 1 .

$$\begin{aligned}&2.6 \times 10^{-2} \\&0.026=2.6 \times 10^{-2} .\end{aligned}$$

6 0
2 years ago
Lynn asked six friends how many cars their parents own. She recorded 1, 1, 2, 2, 2, and 4 cars.
Paladinen [302]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A) Write the sequence of natural numbers which are multiplied by 3 ?
Volgvan

Answer:

a) 3, 6, 9, 12, 15,...,3\cdot n, b) 4, 7, 10, 13, 16,...,3\cdot n +1, c) Both sequences are arithmetic.

Step-by-step explanation:

a) The sequence of natural numbers which are multiplied by 3 are represented by the function f(n) = 3\cdot n, n\in \mathbb{N}. Let see the first five elements of the sequence: 3, 6, 9, 12, 15,...

b) The sequence of natural numbers which are multiplied by 3 and added to 1 is represented by the function f(n) = 3\cdot n + 1, n\in \mathbb{N}. Let see the first five elements of the sequence: 4, 7, 10, 13, 16,...

c) Both sequences since differences between consecutive elements is constant. Let prove this statement:

(i) f(n) = 3\cdot n

\Delta f = f(n+1) -f(n)

\Delta f = 3\cdot (n+1) -3\cdot n

\Delta f = 3

(ii) f(n) = 3\cdot n +1

\Delta f = f(n+1)-f(n)

\Delta f = [3\cdot (n+1)+1]-(3\cdot n+1)

\Delta f = 3

Both sequences are arithmetic.

8 0
2 years ago
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