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blondinia [14]
3 years ago
6

Suppose two acid solutions are mixed. One is 26% acid and the other is 34% acid. Which one of the following concentrations canno

t possibly be the concentration of the mixture? a) 24% b) 30% c) 31% d) 33%
Mathematics
1 answer:
valentina_108 [34]3 years ago
7 0

Answer:

A

Step-by-step explanation:

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On a cruise, 80% of the passengers are staying in "economy" rooms. If there are 320 passengers in "economy rooms, how many total
stealth61 [152]
I think that the answer is 550 people on the cruise. i used my math notes
5 0
3 years ago
A business has two loans totaling $85,000. One loan has a rate of 4.5% and the other has a rate of 6%. This year, the business e
butalik [34]

Answer:

$30,000 and $55,000

Step-by-step explanation:

If 4.5% loan is x, and the 6% loan is y, then:

x + y = 85000

0.045x + 0.06y = 4650

Solve the system of equations with substitution or elimination.  Using substitution:

0.045x + 0.06(85000 − x) = 4650

0.045x + 5100 − 0.06x = 4650

450 = 0.015x

x = 30000

y = 55000

5 0
3 years ago
Read 2 more answers
In one school, a half of all students who like math like science as well. Also, in that school, a third of all students who like
Marizza181 [45]

Answer: 2/3

Step-by-step explanation:

N is the total number of students

M is the number of students thta like math

S is the number of students that like science.

We know that half of the elements in M also are elements from S

And a third of the elements of S also are elements of M

And because those elements are common elements for both sets, we should have that:

M/2 = S/3

then we have that:

M = (2/3)*S

The ratio is 2/3

this means that the number of students that like math is 2/3 times the number of students that like science.

6 0
3 years ago
Read 2 more answers
Estimate 137,638 plus 52,091
seraphim [82]
First round
137,638=100,000
52,091=50,000
Then add to get the estamate
100,000
+
  50,000
150,000
Then to get the real answer add
      1
137,638
+
   52091
 189,729



8 0
3 years ago
Read 2 more answers
Time = 8 years
Sedaia [141]
B)1,131.20 would be the answer. 1010x0.14=141.4x8=B                                                                        
 
7 0
3 years ago
Read 2 more answers
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