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Marina86 [1]
3 years ago
9

Ana buys a sweater for $25.60, and it is on sale for 35% off. What is the amount of the discount?

Mathematics
2 answers:
vesna_86 [32]3 years ago
4 0
35 percent times 25.60 equals to 8.96
25.60 minus 8.96 is 16.64

the amount of the discount is 16.64
notka56 [123]3 years ago
4 0
Hey, Anayaaa!
35*25.60=8.96
25.60-8.96=16.64

<span>Discount=$16.64
I hope this helps;)</span>
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Sketch the situation if necessary and use related rates to solve. Two airplanes are flying in the air at the same height. Airpla
Alexeev081 [22]

Answer:

  -390 mph

Step-by-step explanation:

Let a and b represent, respectively, the distances of A and B from the airport. The distance d between the planes is then given by the Pythagorean theorem as ...

  d² = a² + b²

Differentiating with respect to time, we have ...

  2d·d' = 2a·a' +2b·b'

Solving for d', we get ...

  d' = (a/d)a' +(b/d)b'

The value of d at the time of interest is ...

  d = √(a² +b²) = √(30² +40²) = √2500 = 50

Then the rate of change of separation is ...

  d' = (30/50)(-250 mph) +(40/50)(-300 mph) = (-150 -240) mph

  d' = -390 mph

The distance between planes is decreasing at 390 miles per hour.

4 0
3 years ago
During a class trip to an apple farm a group of students picked 2,436 apples they packed them into 6 boxes to take the local foo
andre [41]
406 apples would be in each box
7 0
3 years ago
Read 2 more answers
Fully factorise x² + 7x+6
marin [14]

\\ {\large{\textsf{\textbf{\underline{\underline{ Question \: :}}}}}}  \\

Factorise ;

  • x² + 7x+6

\qquad\rule{120pt}{2pt}

\\ {\large{\textsf{\textbf{\underline{\underline{ Solution \: :}}}}}}  \\

\\  \sf \implies \:  {x}^{2} + 7x+6 \\

\\  \sf \implies \:  {x}^{2} + 6x + x+6 \\

\\  \sf \implies \:  x(x + 6)  +1 (x+6) \\

\\  \sf \implies \:  (x + 6)   (x+1) \\

\\  \sf \implies \:  x + 6= 0 \:\:\:\:  and\:\:\:\:  x+1=0 \\

\\  \sf \implies \:  x= 0 -6\:\:\:\:  and\:\:\:\:  x=0-1 \\

\\  \sf \implies \:  x= -6\:\:\:\:  and\:\:\:\:  x=-1 \\

\\\sf\implies\;{\underline{\boxed {\bf{ \:\:x=-6\:\: }}} }\red\bigstar \;\; \;\; \;{\underline{\boxed {\bf{ \:\:x=-1\:\: }}} }\red\bigstar \\

\\\qquad\rule{120pt}{2pt}\\

5 0
1 year ago
Read 2 more answers
Can anyone help pls :)? Thank you
Artemon [7]
Answer: 6

Explanation: The EXACT calculation would be 5.9215.. so the closest approximation would be
6, as it's only about .08 -ish away from 6.
6 0
3 years ago
Read 2 more answers
Pls help asap!! this is due really soon
s2008m [1.1K]

Answer:

EF=20

Step-by-step explanation:

EF is midsegment of the triangle so the equation is

AB/2=EF

7x-2/2=2x+8

7x-2=4x+16

7x-4x=16+2

3x=18

x=18/3

x=6

EF=2×6+8

=12+8

=20

6 0
2 years ago
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