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Ede4ka [16]
3 years ago
11

Can you help me sort these out please

Mathematics
1 answer:
wolverine [178]3 years ago
5 0
A 75% increase followed by 33.33%  goes under less than the original
A 30$ increase followed by a 30$ decrease goes under same as the original
A 55% decrease followed by 25% increase goes under greater than the original
100% increase followed by a 50% decrease goes under less than the original
20% decrease followed by a 40% increase goes under greater than the original
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Erica collected a total of $180 for her favorite charity over the first 3 months of the year. She collected the same amount in t
ankoles [38]
X+x+3x= 180
5x= 180
x= 36

3(36)= 108
Your answer is D. $108
4 0
3 years ago
Read 2 more answers
Which is the answer?
algol13
B or c that’s feels the most likely to be it
7 0
3 years ago
Write the explicit rule for the arithmetic sequence<br> -10, -3, 4, 11,...
Bogdan [553]

a

0

=

4

a

i

=

a

i

−

1

+

7

XXXX

possibly with the restriction 1<=i<=4 if this is not intended to be a continuous sequence

Explanation:

This is a simple arithmetic sequence with a difference of  

7

between ascending sequence terms.

6 0
3 years ago
It costs £430 to rent a cottage for the weekend. Last year it cost £400. What percentage increase is this?
Serjik [45]

INCREMENT


430-400=30


PERCENTAGE


(30/400)*100


(30/40)*100


300/40=


7.5% is your final answer


I hope I could help

6 0
3 years ago
Read 2 more answers
A small ball floats on the surface of the water in a wave pool. As a wave moves past the ball, the ball's
stiks02 [169]

Answer:

The correct option is;

d(t) = 6·cos(π/3·t) + 28

Step-by-step explanation:

The general form of a cosine function is given as follows;

y = A·cos(B·x - C) + D

Where;

A = The amplitude = The distance from the peak to the midline = 1/2×(Maximum - minimum)

The amplitude = 1/2 × (34 - 22) = 6 inches

B = 2·π/P = 2·π/6 = π/3

P = The period = 6 seconds

C/B = The phase shift

D = The midline = Minimum  + Amplitude = 22 + 6 = 28 inches

x = The independent variable

Therefore, to model the function of the wave can be given as follows;

d(t) = 6·cos(π/3·t) + 28

6 0
3 years ago
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