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pantera1 [17]
2 years ago
9

Helpp plsss I neeed to finish this test ASAP plssssssss thank youu helpp me with this question

Mathematics
1 answer:
mafiozo [28]2 years ago
6 0

Answer:

try 19.8

Step-by-step explanation:

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What is negative 2/7 + 1/4 =
horrorfan [7]

Answer:

-0.03571428571

Step-by-step explanation:

7 0
2 years ago
at a summer camp 23 of the boys and 17 of the girls can swim there nine boys 11 girls at the camp who cannot swim. what is the r
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Answer:

4×30+5×30=120+150=270

Step-by-step explanation:

looking at the last row, we can see that the total number of students will be 4×30+5×30=120+150=270

8 0
2 years ago
Which expressions are equivalent to 2(b+3c)?
Rina8888 [55]

Answer:

B. (b+3c)+(b+3c)

C. 2(b)+2(3c)

Step-by-step explanation:

we have

2(b+3c)

Distribute the number 2

2(b+3c)=2b+2(3c)=2b+6c

Verify each case

case A) 3(b+2c)

distribute the number 3

3(b+2c)=3b+3(2c)=3b+6c

3b+6c \neq 2b+6c

therefore

Choice A is not equivalent to the given expression

case B) (b+3c)+(b+3c)

Combine like terms

b+3c)+(b+3c)=(b+b)=(3c+3c)=2b+6c

2b+6c= 2b+6c

therefore

Choice B is equivalent to the given expression

case C) 2(b)+2(3c)

Multiply both terns by 2

2(b)+2(3c)=2b+6c

2b+6c= 2b+6c

therefore

Choice C is equivalent to the given expression

6 0
3 years ago
Read 2 more answers
A new machine can make 10,000 aluminum cans three times faster than an older machine. with both machines working, 10,000 cans ca
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It takes at least 12 hours for the newer machine to make 10,000 cans
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Determine whether the statement below is always, sometimes, or never true. two lines with positive slopes are parallel.
elena-s [515]
Always because according to my calculations 
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3 years ago
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