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noname [10]
3 years ago
13

Really need help with this, thank you!!!!!

Mathematics
1 answer:
KengaRu [80]3 years ago
4 0
Here your answer for your question

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the elves were working when the head elf came in and there was only 2 weeks left until christmas. what percentage of the month w
valentina_108 [34]

Answer:

45 %

Step-by-step explanation:

Time left until Christmas = 2 weeks

                                         = 2 * 7 days                [since 1 week = 7 days]

                                         = 14 days

Number of days in December = 31

Percentage of the month left before Christmas = \frac{Time left until Christmas}{Number of days in December} * 100

= \frac{14}{31} * 100

= 0.45 * 100

= 45 %

4 0
3 years ago
Solve (x+4)2 – 3(x + 4) – 3 = 0 using substitution.<br> u=
mr_godi [17]

Answer:

Step-by-step explanation:

(x+4)2-3(x+4)-3=0

2x+8-3x-12-3=0

-1x-4-3=0

-1x-7=0

-1x=7

x=7/-1

x=-7

3 0
3 years ago
Solve for x in the equation 2x2-5x+1=3
Butoxors [25]
2x^2 - 5x + 1 = 3

Subtract 3 from both sides
2x^2 - 5x + 1  - 3 = 3  - 3

2x^2 - 5x - 2 = 0

Use quadratic formula with A = 2,  B =  - 5,   C =  - 2

x =  - b +- sqrt b^2 - 4ac/2a

x =  - ( - 5) +- sqrt (- 5)^2  - 4(2)( - 2)/(2)(2)

x =   5 +- sqrt 41/4

x =  5/4 + 1/4sqrt 41  or x = 5/4 + - 1/4 sqrt 41


Answer:  x = 5/4 + 1/4 sqrt 41
               x = 5/4 +  - 1/4 sqrt 41




Hope that helps!!!!! (D)
5 0
3 years ago
If the tree is 19.3 feet tall, how far is the person standing away from the tree in feet?
Pani-rosa [81]

2.75,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

3 0
3 years ago
the sales tax rate in new york city is 8.9%. Find the tax charged on a purchase of $208, and the total cost
Oxana [17]

Answer:

$18.51 tax

$226.51 total cost

Step-by-step explanation:

208 x 0.089 = 18.51 tax

6 0
3 years ago
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