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yaroslaw [1]
3 years ago
15

HELP ASAP

Mathematics
1 answer:
Gre4nikov [31]3 years ago
3 0
2(4*6.25)+(7*8.2)2=164.8
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Which sentence matches the mathematical equation? p-0.40p=0.60p
IRISSAK [1]
P-0.40p = 0.60p

C. Decrease by 40% is the same as multiply by 60%.

Assume that p = 10

10 - 0.40(10) = 0.60(10)
10 - 4 = 6
6 = 6

Based on the above assumption. 40% of 10 is 4 ; and 60% of 10 is 6. So, 10 less 4(40% of 10) is equal to 6 (60% of 10). 

Percentage is used because 0.40 and 0.60 will be multiplied with 100% to get the equivalent percentage 0.40 x 100% = 40% ; 0.60 x 100% = 60%
 
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3 years ago
Help me please i would appreciate it alot (stop answering with things like 'im not sure' just put those in the comments)
OLEGan [10]
#3 would be positive
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3 years ago
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Three brothers share 2 sandwiches equally.How much of a sandwich does each brothers share
Irina-Kira [14]

Answer:

2/3 per brother

Step-by-step explanation:

2/3 plus 2/3 plus 2/3 is 6

5 0
3 years ago
Which inequality represents the situation seven less than a number is no more than 25?
Alexus [3.1K]

Answer:

x-7\leq25

Step-by-step explanation:

6 0
2 years ago
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What is the common ratio of the geometric sequence below? –2, 4, –8, 16, –32, ...
SOVA2 [1]

Answer:

The common ratio of the geometric sequence is:

r=-2

Step-by-step explanation:

A geometric sequence has a constant ratio 'r' and is defined by

a_n=a_1\cdot r^{n-1}

where

  • aₙ is the nth term
  • a₁ is the first term
  • r is the common ratio

Given the sequence

-2,\:4,-8,\:16,\:-32,\:...

Compute the ratios of all the adjacent terms:  r=\frac{a_n+1}{a_n}

\frac{4}{-2}=-2,\:\quad \frac{-8}{4}=-2,\:\quad \frac{16}{-8}=-2,\:\quad \frac{-32}{16}=-2

The ratio of all the adjacent terms is the same and equal to

r=-2

Therefore, the common ratio of the geometric sequence is:

  • r=-2
5 0
2 years ago
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