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Nataliya [291]
3 years ago
9

PLEASE HELP WITH ALL QUESTIONS WILL GIVE BRAINLIEST AND WILL GIVE 33 POINTS

Mathematics
1 answer:
MrMuchimi3 years ago
6 0

uh where the question?

You might be interested in
Solve -8 = 2y – 2. Show your work and how to check your solution.
Mashcka [7]
Answer: y = -3

Explanation:

-8 = 2y - 2
-2y = -2 + 8
y = 6/-2
y = -3
4 0
3 years ago
In a room, there are 450 students of which 20% are girls. A group of students have mobile phones with them, of which 40% are gir
andrew-mc [135]

Answer:

216 boys

Step-by-step explanation:

450 students: 20% girls, 80% boys

450*20%=90 girls

450*80%=360 boys

Students having mobile phones: 40% (OF THE 90) girls, 60% (OF THE 360) boys

90*40%=36 girls

360*60%=216 boys

[We honestly don't need to care about the girls without mobile phones as they are only asking how many boys have mobile phones]


4 0
3 years ago
Read 2 more answers
A print shop charges a fixed amount per photocopy and gives a 10% discount off the total cost of the photocopies. The total cost
givi [52]

Answer:

  the number of photocopies made

Step-by-step explanation:

The wording "a function of <em>the number of photocopies made</em>" tells you that "the number of photocopies made" is the independent variable.

___

The wording "y is a function of x" means x is the independent variable.

3 0
3 years ago
Kate's swim coach informs her that she only has 35% of her workout left. Kate has swum 26 laps so far.
Sergio039 [100]
Well so far, Kate has saw 65% of her workout

65% of total = 26
0.65 * t = 26
t = 26/0.65
t = 40 laps
3 0
3 years ago
Read 2 more answers
What is the surface area of this composite figure?
andrew-mc [135]

Answer:

1260 inches squared

Step-by-step explanation:

Bottom: 24*6=144

Bottom front: 24*12=288

Bottom back: 24*12=288

Left side: 6*2=72

Right side: 6*12=72

Left top: 6*15=90

Right top: 6*15=90

Top front: (24*9)/2=216/2=108

Top back: (24*9)/2=216/2=108

144+288+288+72+72+90+90+108+108=1260

6 0
3 years ago
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