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Nitella [24]
3 years ago
9

There are 3 boys for every 2 girls in a dance competition. Does it make sense for there to be a total of 9 people in the competi

tion? Explain.
Mathematics
2 answers:
rjkz [21]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

3:2 = 5 people

3:1 = 4 people

5+4=9 people

dimulka [17.4K]3 years ago
3 0
3:2=5
so girls are 2:5
set up the proportion
2/5=x/9
5x=18
x=3.6 girls; doesn’t work so no!

another way you can look at it is because there are 3 boys for every 2 girls, add 2 more girls, you’ll get 3 more boys
that makes the total of 10 people so 9 is impossible
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3 times 2 cubed + 5 squared-18 divided by 6
Strike441 [17]

Answer:

46

Step-by-step explanation:

3 x 2^3 + 5^2 - 18/6

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7 0
2 years ago
PLZ HELP 30points and brainlist
MariettaO [177]
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3 years ago
Read 2 more answers
Solve the equations PLEASEE<br><br> -1=3x-2<br><br> -3x=9<br><br> -10=-5x
Ilia_Sergeevich [38]

Answers are in bold:

-1=3x-2

add 2 to both sides

-1+2=3x-2+2

1=3x

divide both sides by 3

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-3x=9

divide both sides by -3

-3x÷-3=9÷-3

x=-3

-10=-5x

divide both sides by -5

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I hope this is good enough:

6 0
3 years ago
In the diagram shown, m_1= x+ 16 and m_2 = 3x - 24.
dalvyx [7]

Answer:

x + 16 = 3x - 24

x= 20

hope this help

7 0
2 years ago
Just number 4 please hurry and help meeee
Hoochie [10]

Answer:

C D H

Step-by-step explanation:

The best way to tackle this problem is to put each answer into the equation and evaluate the equation.

for example

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9.9 >= 10 .this is not true!

be very careful with the signs and evaluate each answer.

3 0
3 years ago
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