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mina [271]
3 years ago
15

a 9 grade math class has 27 students there are twice as many girls in this class as there are boys.write a system of equation th

at could be used to model this situation.solve system of equetion using any method how many girls are in the class
Mathematics
1 answer:
Leona [35]3 years ago
4 0
If there are x boys, there are 2x girls. boys+girls=27 gives x+2x=27. Solving, 3x=27 or x=9. Since there are 2x girls, there are 2*9=19 girls.
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A food truck owner randomly samples 100 customers on two separate days to see what food items they bought. The data shows the re
svetlana [45]
Percentage of people who buy Burgers = 35+45/2 = 80/2 = 40

Total Number of people = 900

So, 900 * 40%

= 900 * 0.40

= 360

In short, Your Answer would be: 360 burgers

Hope this helps!
6 0
3 years ago
Read 2 more answers
The scale from a playground to a scale drawing of the playground is 4 meters per centimeter.The length of the drawing of the pla
Scilla [17]

Answer:

322.24 meters

Step-by-step explanation:

The scale is 4 meter per centimeter. Multiply 5.3 by 4 to get 21.2 meters. Multiply 5.3 by 4 to get 15.2 meters. Multiply 21.2 by 15.2 to get 322.24

6 0
3 years ago
Please help me i need help with this please give me the answer
vichka [17]

Part A:

$8.00+(r⋅$1.40)

Part B:

($26.00-($8.00)÷$1.40)=5

He can go on 5 rides.

8 0
3 years ago
Question 3 (2 marks)
Sav [38]

Answer:

$3385 per week

Step-by-step explanation:

so, he gets $370 plus 4.5% of what he is selling.

$67000 = 100% of selling

1% = 100%/100 = 67000/100 = $670

4.5% = 1% × 4.5 = 670 × 4.5 = $3015

so, he gets $370 + $3015 = $3385 per week

7 0
2 years ago
Find the inverse of the given relation.
Greeley [361]

Answer:

C

Step-by-step explanation:

first look at all the numbers in the relation.then since inverse means opposite find the answers where the numbers in the parenthesis are in the opposite order than the question. Finally look for the answer In which all the positive numbers in the parenthesis(in the given relation) are negative (on the answers)and the negative numbers (in the given relation) are positive (on the answers).

4 0
3 years ago
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