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Juliette [100K]
3 years ago
15

2. Determinați numărul x din:

Mathematics
1 answer:
Lana71 [14]3 years ago
5 0

Answer:

wrong language

Step-by-step explanation:

took test

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Help me plz and explain
Verdich [7]
58.50 - 45 = 13.50

13.50 / 45 x 100 = 30%

answer: mark up 30%
8 0
3 years ago
Last week, Wendy pell earned $440 for regular-time work by working 40 regular-time hours at $11 an hour. For the week, she was a
ki77a [65]

Answer:

698.5

Step-by-step explanation:

Time-and-a-half. Time-and-a-half is payment to a worker (or workers) at 1.5 times their usual hourly rate.

11×1.5=16.5 $ per hour

16.5 ×7 =115.5 $ - total for overtime

11×2 = 22$ per hour

22×6.5= 143$ - total for double time payment

440+143+115.5 = 698.5 $ - total earnings

6 0
3 years ago
In a class library, 3 out of 4 books are non-fiction. The rest are fiction. a) How many non-fiction books could there be? How ma
iVinArrow [24]

Answer:

Infinitely Many Solutions

Step-by-step explanation:

There can be infinite solutions to this problem

Here are some examples

3   4

6   8

12  16

24 32

48   64

96   128

To get a solution, just multiply both numbers by the same term. I multiplied by 2 each.

Hope this helps :)

-jp524

6 0
2 years ago
Please help me. X/6 ≥ 7. I also need to know how this would be graphed thank you.
BigorU [14]

Answer: The inequality solves to x ≥ 42

The graph is shown below

==================================================

Explanation:

We have some unknown number x, and we're dividing by 6 to form the fraction x/6. That result is 7 or larger which means we write x/6 ≥ 7

To solve for x, we undo the division. We'll multiply both sides by 6. That's how we get to x ≥ 42

The graph will involve a number line. Plot a closed filled in circle at 42 on the number line. Shade to the right. This visually represents any number that is 42 or larger. The endpoint 42 itself is included in the solution set.

Side note: We would use an open circle if we didn't have the "or equal to" portion for the inequality sign.

6 0
3 years ago
Read 2 more answers
Please help!!!!!!!!!!!!!!!! 100pts,
Helga [31]

QUESTION:

The code for a lock consists of 5 digits (0-9). The last number cannot be 0 or 1. How many different codes are possible.

ANSWER:

Since in this particular scenario, the order of the numbers matter, we can use the Permutation Formula:–

  • P(n,r) = n!/(n−r)! where n is the number of numbers in the set and r is the subset.

Since there are 10 digits to choose from, we can assume that n = 10.

Similarly, since there are 5 numbers that need to be chosen out of the ten, we can assume that r = 5.

Now, plug these values into the formula and solve:

= 10!(10−5)!

= 10!5!

= 10⋅9⋅8⋅7⋅6

= 30240.

3 0
2 years ago
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