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ella [17]
3 years ago
11

A copy machine copies 55 pages every 30 seconds. how many copies can be made each minute?

Mathematics
2 answers:
kifflom [539]3 years ago
4 0
110 copies can be made each minute: 55 x 2 = 110

Elza [17]3 years ago
3 0
One hundred and ten copies can be made per minute...
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Jun used x milliliters, or 90%, percent, of his favorite bottle of hot sauce. Which of the following expressions could represent
fgiga [73]

Answer:

Option D. \frac{10}{9}x\ ml

Step-by-step explanation:

Let

v------> the volume of a full bottle of Jun's favorite hot sauce, in milliliters

we know that

Using proportion

\frac{x}{90}\frac{ml}{\%}=\frac{v}{100}\frac{ml}{\%}\\ \\v=\frac{100}{90}x\\ \\v=\frac{10}{9}x\ ml

7 0
3 years ago
Read 2 more answers
Tion 15/30
vitfil [10]

The percentage of students that passed the exam is 25.2%

<u />

<u>The given parameters;</u>

  • number of the males, = 85
  • number of the females, = 30
  • percentage of the female that passed = 40%
  • percentage of the male that passed, = 20%

<u>To find:</u>

  • the percentage of students that passed the exam

The number of the male students that pass the exam;

= 0.2 \times 85 \\\\= 17

The number of the female students that pass the exam;

= 0.4 \times 30 \\\\= 12

The total number of students in the school;

= 85 + 30

= 115

The total number of the students that passed the exam;

= 17 + 12

= 29

The percentage of students that passed the exam;

= \frac{total \ number \ that \ passed }{total \ number \ of \ the \ students} \times 100\% \\\\= \frac{29}{115} \times 100\%\\\\= 25.2 \%

Thus, the percentage of students that passed the exam is 25.2%

Learn more here: brainly.com/question/1163846

6 0
3 years ago
As a sales person at scrapbooks and treasures Alyssa receives a monthly base pay plus commission on all that she sells she sells
max2010maxim [7]
Let 
x =  base pay per month
y = commission per $1 of sales

Then the monthly pay for selling $100 of merchandise is
P = x + 100y

In one month, Alyssa earned $388 for selling $400 worth of merchandise.
Therefore
x + 400y = 388           (1)

In another month, she earned $520 for selling $1000 worth of merchandise.
Therefore
x + 1000y = 520        (2)

Subtract (1) from (2).
x + 1000y - (x + 400y) = 520 - 388
600y = 132
y = 0.22
From (1), obtain
x = 388 - 400y = 388 - 400*0.22 = 300

When Alyssa sells $3300 worth of merchandise, she earns
300 +0.22*3300 = $1026

Answer: $1026
3 0
3 years ago
Let a= x^2 +4. Rewrite the following equation in terms of a and set it equal to zero. (x^2+4)^2+32=12x^2+48 what are the solutio
Umnica [9.8K]
Just replace x^2+4 with a
factor out on left side
(x^2+4)^2+32=12(x^2+4)
replace x^2+4 with a
a^2+32=12a
minus 12a both sides
a^2-12a+32=0
solve
factor
what 2 numbers mulitply to get 32 and add to get -12
-4 and -8
(a-4)(a-8)=0

set each to zero
a-4=0
a=4

a-8=0
a=8


remember
a=x^2+4
so

4=x^2+4
0=x^2
0=x

8=x^2+4
4=x^2
+/-2=x


x=-2, 0, 2
5 0
3 years ago
Answer the question about the IQR
babunello [35]

Answer:

lower quartile= 61

median= 69

upper quartile= 83

maximum= 88

Step-by-step explanation:

3 0
3 years ago
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