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IgorC [24]
2 years ago
12

12 x 12 +34= plz tell me this one two

Mathematics
2 answers:
Fofino [41]2 years ago
5 0

Answer:

178

Step-by-step explanation:

Need brainliest

crimeas [40]2 years ago
4 0

Answer:

12 x 12 equals 144

144+34 equals 178

Step-by-step explanation:

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One member of the debate team is going to be chosen president. each member is equally likely to be chosen. the probability that
inessss [21]
Let
x-------> <span>the probability that a boy is chosen
B------> </span>number of boys in the debate team
G------> number of girls in the debate team<span>

we know that
B+G=20-----> G=20-B-----> equation 1
</span>probability that a boy is chosen=number of boys in the debate team/total of people
so
x=B/20-------> equation 2

t<span>he probability that a girl is chosen is 2/3 the probability that a boy is chosen
</span>probability that a girl is chosen=(2/3)*x
probability that a girl is chosen=G/20
(2/3)*x=G/20-----> equation 3
substitute equation 1 in equation 3
(2/3)*x=[20-B]/20----> equation 4

resolve the equations system
x=B/20
(2/3)*x=[20-B]/20

using a graph tool
see the attached figure
the solution is
x=0.6
B=12
G=20-12-----> G=8

number of boys in the debate team is 12
number of girls in the debate team is 8
the probability that a boy is chosen is 0.6 ----> 60%
the probability that a girl is chosen is 0.6*(2/3)----> 0.4---> 40%

the answer is
number of girls in the debate team is 8

7 0
3 years ago
Pls help trig question!!
s2008m [1.1K]

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2 years ago
(This is a multiple choice question)Suppose you are rehearsing for a dance competition and you fall and hurt your shoulder. At t
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C is the answer your welcome
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Two students compared the scores on their math tests. Their results on 9 tests are shown in the box plots below. Compare the box
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Solve the system of equations by substitution <br> y= 3x - 10<br> 3x + 2y = 16
Natalija [7]
Y= 3x - 10
<span>3x + 2y = 16

3x+2(3x-10)=16
3x+6x-20=16
9x-20=16
9x=36
x=4

y=3x-10
y=3(4)-10
y=12-10
y=2</span>
5 0
3 years ago
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