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svp [43]
3 years ago
13

At a camp, 20 children were surveyed to see what size shirt they wear. 5 of the students said they were a Small shirt. If there

are 308 total children at the camp, what is a reasonable estimate for the number of children that will be wearing a Small shirt?
Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

aproximately 77

Step-by-step explanation:

because you need to divide 308 by 20 you get 15.4 then u multiply 15.4 by 5 and then u get 77

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Bryan’s monthly electric bill is determined by adding a flat administration fee to the product of the number of kilowatt hours o
Sophie [7]
We will form the equations for this problem:
(1) 1100*y + z = 113
(2) 1500*y + z = 153
z = ? Monthly administration fee is notated with z, and that is the this problem's question.
Number of kilowatt hours of electricity used are numbers 1100 and 1500 respectively.
Cost per kilowatt hour is notated with y, but its value is not asked in this math problem, but we can calculate it anyway.
The problem becomes two equations with two unknowns, it is a system, and can be solved with method of replacement:
(1) 1100*y + z = 113
(2) 1500*y + z = 153
----------------------------
(1) z = 113 - 1100*y [insert value of z (right side) into (2) equation instead of z]:
(2) 1500*y + (113 - 1100*y) = 153
-------------------------------------------------
(1) z = 113 - 1100*y
(2) 1500*y + 113 - 1100*y = 153
------------------------------------------------
(1) z = 113 - 1100*y
(2) 400*y + 113 = 153
------------------------------------------------
(1) z = 113 - 1100*y
(2) 400*y = 153 - 113
------------------------------------------------
(1) z = 113 - 1100*y
(2) 400*y = 40
------------------------------------------------
(1) z = 113 - 1100*y
(2) y = 40/400
------------------------------------------------
(1) z = 113 - 1100*y
(2) y = 1/10
------------------------------------------------
if we insert the obtained value of y into (1) equation, we get the value of z:
(1) z = 113 - 1100*(1/10)
(1) z = 113 - 110
(1) z = 3 dollars is the monthly fee.
6 0
3 years ago
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Respond ASAP please I need this badly I will be giving brainlest thanks and all stars
DaniilM [7]

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Step-by-step explanation:

3 0
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AURORKA [14]
The domain of h(x) = f(x) /g(x) will be all real numbers without -6 because for -6 will result the denominator equal zero and hence this fraction will be undefined 
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2 years ago
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What’s the answer ASAP
Oksi-84 [34.3K]

Answer:

none

Step-by-step explanation:

38×2=76

43×2=86

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4 0
2 years ago
ANSWER ASAP!!
Bezzdna [24]
They are equivalent C yeah they should be equivalent
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3 years ago
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