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ki77a [65]
3 years ago
12

Jan spent 3 3/4 hours doing homework last week. She spent

Mathematics
2 answers:
olchik [2.2K]3 years ago
5 0

Answer:

6/4

Step-by-step explanation:

Schach [20]3 years ago
5 0

Answer:

Exact Form:

3/2

Decimal Form:

1.5

Mixed Number Form:

1 1/2

Step-by-step explanation:

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Solve for x 3(2x-1)(x+5)=0
Gala2k [10]

3(2x - 1)(x + 5) = 0 \\  \\ 1. \: 2x - 1 = 0 \: or \: x + 5 = 0 \\  \\ 2. \: x =  \frac{1}{2}  \:  \:  - 5

4 0
3 years ago
Write the solution in interval notation: 4v+2>-2 or 3v-5<7
kari74 [83]

For this case we must find the solution of the following inequalities:

4v + 2> -2\ or\ 3v-5

From the first inequality we have:

4v + 2> -2

Subtracting 2 from both sides of the inequality:

4v> -2-2

Equal signs are added and the same sign is placed.

4v> -4

Dividing between 4 on both sides of the inequality:

v> \frac {-4} {4}\\v> -1

Thus, the solution is given by all values of "v" greater than -1.

From the second inequality we have:

3v-5

Adding 5 to both sides of the inequality we have:

3v

Dividing by 3 to both sides of the inequality we have:

v

Thus, the solution is given by all values of "v" less than 4.

Then, the solution set is given by the union of both intervals.

The union consists of all the elements that are contained in each interval.

(-∞,∞)

Answer:

The solution set is: (-∞,∞)

8 0
3 years ago
What is the equation of the line that has an x-intercept of −5?
Gwar [14]

Answer:

the only one that works is A

Step-by-step explanation:

plug in the point (-5, 0)

6 0
4 years ago
.helppppppppppp......​
Lelu [443]

Step-by-step explanation:

hope you get ur answer

7 0
3 years ago
Read 2 more answers
You purchase an item to sell in your store. The item costs you $6.45. You mark the item up 20%, but later run the item on sale a
baherus [9]
You mark it up 20% Price + 20% = p + 20/100p = p (1 + 0.20 ) = 1.2 p 
6.45 * 1.2 = 7.74

You take off 5% which by the same reasoning (almost) means p/1.05
7.74 / 1.05 = 7.37

Now you need a sales tax
7.37 * 1.06 = 7.81 dollars.

Answer: The customer paid 7.81 <<<<=====
 
7 0
4 years ago
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