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Tresset [83]
3 years ago
11

The glasses that Pierre wants to buy cost $230. If he waits for them to go on sale next week, he can get a 15% discount. How muc

h will he save if he waits?
How much will the glasses cost if he waits?
Mathematics
1 answer:
otez555 [7]3 years ago
4 0

Answer:

$34.50 saved

Step-by-step explanation:

230 - 15% = $195.5

230 - 195.5 = 34.5 saved

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Each week, tasha saves 90% of the money she earns babysitting and spends the rest. this week she earned $60.00. how much more mo
padilas [110]
She saved $54 spent $6  so she saved $48 more then she spent
6 0
3 years ago
What is the simplest form of the expression 6x(x − 4) − 16x2 − (9x − 1)?
mario62 [17]
6•x•(x-4)-16•2-(9x-1)
4 0
2 years ago
Factor the expression.
tiny-mole [99]
B. (k+10f)(k-5f) you can tell in 2 ways.  1. if the second sign is neg then the signs in the factors are going to be one neg and one positive so that knocks out C and D.  Then you look at the second term and since the 5 is positive then the 10 has to be positive so you end up with a positive 5kf.

The second way is to FOIL them out.  When you check B you get k^{2} -5kf+10kf- 50f^{2} combine your like terms and you have your original expression of k^{2} +5kf-50 f^{2}

Hope that helps
3 0
3 years ago
The triangles are similar.
MrMuchimi
25/5 = 5
and also 
15/3 = 5
so
(3x+ 8)/5 = 4
3x + 8 = 20
3x = 12
  x = 12/3
  x = 4

answer is x = 4
7 0
3 years ago
Read 2 more answers
In remodeling a house an architect finds that by adding the same amount to each dimension of a 15ft by 19ft rectangular room, th
earnstyle [38]

Answer:

Step-by-step explanation:

new length=15+x

width=19+x

then area=(15+x)×(19+x)=285+15x+19x+x²=x²+34x+285 ft²

original area=15×19=285 ft²

then 285+98=x²+34x+285

or

x²+34x-98=0

x²+34x+17²=98+17²

(x+17)²=98+289=387

x+17=√387=3√43

x=3√43-17 ft

8 0
2 years ago
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