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Lapatulllka [165]
3 years ago
8

160 bananas; 20% decrease

Mathematics
2 answers:
mezya [45]3 years ago
7 0

Answer:

do 160-20.

Step-by-step explanation:


rusak2 [61]3 years ago
3 0

Answer:128



Step-by-step explanation:


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Solve using the quadratic formula:
timurjin [86]

Answer:

\boxed{x_1 = \frac{7 + \sqrt{5} }{2} ~~or~~x_2 = \frac{7 - \sqrt{5} }{2} }

Step-by-step explanation:

x^2 - 7x + 11 = 0

x^2 - 7x = -11

(x - \frac{7}{2} )^2 - \frac{49}{4}  = -11

(x - \frac{7}{2} )^2 = -11 + \frac{49}{4}

(x - \frac{7}{2} )^2 = \frac{5}{4}

x - \frac{7}{2} = \pm \sqrt{\frac{5}{4}}

x = \frac{7 \pm \sqrt{5} }{2}

3 0
3 years ago
How do u get the answer 9/2 onn this?
lubasha [3.4K]

Answer:

9/2

Step-by-step explanation:

3 x 60 = 180 minutes

180 minutes over 40 minutes

divide both by two and you get 90 minutes over 20 minutes

3 0
4 years ago
Read 2 more answers
Division was used in the first example.
VLD [36.1K]
Ok




Sulition because I said do
4 0
3 years ago
a pair of sneakers is 51$ this is 75% of the original price. how much less than the original price is the sale price?
fiasKO [112]

75% from the original price is 51 $
p - the original price
⇒ 75/100*p=51$
p=51*100/75=5100/75=68 $

68$ - 51$=17 $

The result is 17 $

7 0
4 years ago
What are the solutions to the following system of equations?
belka [17]

Answer:

D. no real answer

Step-by-step explanation:

8x-y=10 then y=8x-10

y = {x}^{2}  + 12x + 30 = 8x - 10

{x}^{2}  + 4x + 40 = 0

it's a grade 2 equation, it has no real answer

because

{4}^{2}  - 4(1)(40) =  - 144 < 0

3 0
3 years ago
Read 2 more answers
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