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Over [174]
3 years ago
14

What single percentage change is equivalent to a 7% decrease followed by a 12% increase?

Mathematics
1 answer:
dsp733 years ago
8 0

Answer:

<h2>4.16%</h2>

Step-by-step explanation:

decrease 7%

100 - 7% = 93

increase 12%

93 + 12% = 104.16

104.16 - 100 = 4.16%

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What is 800 times the size of a marble
vovikov84 [41]
Depends the size of the marble
5 0
3 years ago
Evaluate the expression.<br><br> - 4(2 - 5)2 + 82
Pavlova-9 [17]

Answer:

106

Step-by-step explanation:

Ok this question is a bit confusing but once you understand the concept you will be able to answer the question correctly

Always know that bracket is solved first once it is found in the question

So back to the question

-4(2-5)2+82

So let's get to work...

Bracket first

-4(-3)2+82

Multiply with the number at the front then followed by the one at the back

(+12)2+82

24+82

106

Therefore the final answer is 106

I believe you understand how we get the answer...just be careful when solving this kind of question... simple

7 0
3 years ago
A bird flies 61/2 mi in 20 min.
schepotkina [342]

\frac{61/2}{20} =  \frac{x}{81/8}
multiply the 2nd fraction by 8/8 to get rid of the 8 in the denominator:
\frac{61/2}{20} = \frac{8x}{81}
simplify the 1st fraction by multiplying by 2/2:
\frac{61}{40} = \frac{8x}{81}
now, you can cross-multiply: 
61*81=40*8x
4941=320x
x=\frac{4941}{320} or 15 \frac{141}{320}

8 0
4 years ago
Mr. D'Angelo hired a painter to paint the outside of his house green. The painter must mix 3 gallons of blue paint with every 5
Alborosie

Answer:

\frac{3}{5}

Step-by-step explanation:

3 gallons of blue paint and 5 gallons of yellow paint and this answer is a fraction so \frac{3}{5} is the answer.

5 0
3 years ago
If (y) varies directly with x, and y=3 when x=0.2, what is the value of (y) when x=1?
Luba_88 [7]
_Brainliest if helped!!

since it varies directly, we form an equation ,  
Y =kX  where k is a constant
use the points given to find K ,
3 =0.2k , k = 15

So to get final answer, 

when x = 1 
y  = kx, = 1(15)
y= 15

Hence when x=1,    < y = 15 > 
4 0
3 years ago
Read 2 more answers
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