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kirill [66]
3 years ago
6

54=/3 r= unknown WRONG ANSWERS REPORTED RIGHT ANSWERS ARE BRAINLIEST

Mathematics
1 answer:
Rainbow [258]3 years ago
7 0

Answer:

18

Step-by-step explanation:

54 divided by 3 is 18.

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A company has developed a new ink-jet cartridge for its printer that it believes has a longer life-time on average than the one
Mila [183]

Answer:

The test hypothesis is :

H_0: \mu=1502.5\\ H_a: \mu>1502.5

Step-by-step explanation:

Consider the provided information.

Null hypothesis refer the population parameter is equal to the claimed value.

If there is no statistical significance in the test then it is know as the null which is denoted by H_0, otherwise it is known as alternative hypothesis which denoted by H_a.

The historical average lifetime for cartridges produced by the current process is 1502.5 pages.

Hence, the test hypothesis is :

H_0: \mu=1502.5\\ H_a: \mu>1502.5

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3 years ago
What value should be added to the expression to create a perfect square?
Shalnov [3]
Let's take a look at a perfect square trinomial.

(x+7)^2

We can distribute this expression to get x^2+14x+49.

An important relation to recognize here is that the constant is the square of half of the x value.

Now, if we wanted to add a number to x^2+16x to make a perfect square trinomial, we could have the value of x and then square it.

Half of 16 is 8, and 8 squared is \boxed{64}

8 0
3 years ago
Solve (4 - x ≤ -1) ∩ (2 + 3x ≥ 17).
belka [17]
4-x \leq -1\ \ \ | subtract\ 4\ \ \ \ \ and\ \ \ \ 2+3x \geq 17\ \ \ | subtract\ 2\\\\
-x \leq -5\ |*(-1)\ \ \ \ and\ \ \ \ 3x \geq 15\ \ | divide\ by\ 3\\\\
x \geq 5\ \ \ \ \ and\ \ \ \ x \geq 5\\\\
Solution\ is\ x\in[5,+\infty)
3 0
3 years ago
Read 2 more answers
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irina [24]
2400 + 100x = 2200 + 120x
2400 - 2200 = 120x - 100x
200 = 20x
200/20 = x
10 = x <== they would have to sell 10 systems 
7 0
3 years ago
3,650,000 =<br> How to write this in scientific notation form
Ad libitum [116K]

Answer:

3.65E6

Step-by-step explanation:

3,650,000=3.65*10^6

which is equivalent to 3.65E6

E6 means 10 raised to the power 6.

Any number after E(negative or positive) in such notation means 10 raised to the power the given number.

3 0
3 years ago
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