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Alchen [17]
3 years ago
6

To rent a certain meeting room, a college charges a reservation fee of

Mathematics
1 answer:
hammer [34]3 years ago
5 0
T = # of hours
Make inequality: 6.6t + 41 < 87.2
Subtraction: 6.6t < 46.2
Divide: t < 7
That means that the chemistry club can use the meeting room for less than 7 hours.

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Solve x^2+ 8x- 6=0 using the Quadratic Formula
CaHeK987 [17]

Answer:

x=−4+√22 or x=−4−√22

Step-by-step explanation:

Substitute all values in the quadratic formula.

Solve.

6 0
3 years ago
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Someone good at math pls help me w this I’ll mark u as brainliest ❤️:)
zhenek [66]
Angle 1= 45
Angle 2= 76
Angle 3= 80
8 0
3 years ago
Write and solve an inequality for x.
maksim [4K]

x + 2 > 5

x > 3

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x + 2 > 5; x > 3

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Is this a question??

Step-by-step explanation:

7 0
3 years ago
In 1995, Hazel was 25 years older than her son Gary. In 2022, Hazel's age will be 150% of Gary's age. How old were they in 1995?
Kitty [74]
So find the difference between 1995 and 2022 to make it easier
2022-1995=27

so the rephrased question is
when hazel was x years old, she was 25 years older than son gary who was y old at that time (equation is x is 25 more than y or x=25+y)
in 27 years, (this means x+27 and y+27) hazel's age will be 150% of gary's age (x+27= 150% of y+27)
percent means parts out of 100  so 150%=150/100=15/10=1.5
'of' in math means multiply so
the equations are
x=25+y
x+27=1.5(y+27)
subsitute 25+y for x in second euation
25+y+27=1.5(y+27)
add like terms
y+52=1.5(y+27)
I personally dislike decimals to multiply both sides by 2 to make 2 0.5's or 1 (you are technically supposed to distribute or divide both sides by 1.5) so
2y+104=3(y+27)
distribute
2y+104=3y+81
subtract 2y from both sides
104=y+81
subtract 81 from both sides
23=y
subsitute
x=25+y
x=25+23
x=48


Hazel was 48 and Gary was 23 in the year of 1995
5 0
3 years ago
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