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Natali [406]
2 years ago
14

Me need help in math plz help me

Mathematics
1 answer:
KiRa [710]2 years ago
8 0
It should be 3 but i think 4
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A group of adults and students went on a class trip to Washington, DC. The number of male students was 1 more than 7 times the n
Helga [31]
In equation, let x be the number of male students
a be the number of adults
y be the number of female students.
x= 7a+1
a= x/7 -1
y= x/2 or (7a + 1)/ 2

a + b = 82, let b be the number of students.
a + (x + y) = 82
a + [7a+1 + (7a+1)/2] = 82
a + [{2(7a+1) + 7a+1} / 2] = 82
a + [(14a +2 + 7a +1) / 2] = 82
a + [(21a + 3) / 2] = 82
(2a+ 21a + 3) / 2 = 82
(23a + 3) / 2 = 82
23a + 3 = 164
23a = 164 -3 
23a = 161
a = 7

x = 7(7) +1, 49+1 = 50 male students
y=x/2, 50/2, 25 female students

50(male students) + 25(female students)  + 7 (adults) = 82





8 0
2 years ago
Helpppp
Vanyuwa [196]

Answer:

?

Step-by-step explanation:

7 0
3 years ago
Hmm you seem pretty smart helpmetnx how about now?
ololo11 [35]
Hmmm... 
If he presses the button 5 times then the length will be 3.2

His boss said that if he presses five times then it will be smaller than the desired length therefore he shouldn't press five times... that is the correct answer

The answer is D.)
Javier's boss and he should not press the button five times


Hope this helps :P
6 0
3 years ago
Read 2 more answers
Why is this a parallelogram?
Aleks [24]

Answer:

b both pairs of opposite sides are parallel

7 0
3 years ago
Read 2 more answers
Explain how you would graph 3x+9y= -18 without converting to slope-intercept form​
Zolol [24]

Answer:

you would solve using x and y intercepts.

Step-by-step explanation:

for the X intercept, Y=0

3x=-18. you divide by three on both sides

x=-6. (-6,0)

the for the y intercept, X=0

+9y=-18. you divide 9 on both sides.

y=-2. (0,-2)

then you graph both and connect the points on the x and y axis.

Brainiest always accepted!!!!1

8 0
3 years ago
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