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fiasKO [112]
3 years ago
7

I really need help!!!!!!!!!!!!!!!

Mathematics
1 answer:
ziro4ka [17]3 years ago
8 0
2 one , going up and down
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Answer the question on the attachment
Nonamiya [84]

Answer:

The answer to your question is below

Step-by-step explanation:

Part A.

               -3x + 7y = 13

Solve the equation for "y"

               7y = 3x + 13

                y = \frac{3}{7} x + 13

Part B.

Two lines are parallel if their slopes are the same

Two lines are perpendicular if their slope are opposite reciprocals

Slope of the first line = \frac{3}{7}

Slope of the second line = \frac{3}{7}

Conclusion: the lines are parallel because their slopes are the same.

5 0
3 years ago
Help me please I'm stuck!
alisha [4.7K]
My teachers taught me a trick make a C from the top to bottom

so 5  1/2 would be 

5 times 1 + 2 so denominator stays the same so it 7/2.



bottom one is 22/4

 make a C from top to bottom and multiply outer number to top add the bottom to that then keep denominator the same. 


Hope i helped. 
3 0
3 years ago
The rules which tell which calculations are done before others in an expression
IrinaK [193]
BEDMAS

Brackets 
exponents
division & multiplication }
addition & subtraction}  -these 2 last ones can be done interchangably or from left to right
3 0
3 years ago
The slope of the line that passes through the points 5,10 and 7,10 is?
Over [174]

Answer:

slope = 0

Step-by-step explanation:

8 0
3 years ago
Select all the expressions that are greater than 1.
anygoal [31]

Answer:

Expressions greater than 1 are:

5 \div  \frac{9}{10}

2 \frac{3}{2}  \div  1\frac{3}{5}

Step-by-step explanation:

5 \div  \frac{9}{10}

= 5 \times  \frac{10}{9}

=  \frac{50}{9}

= 5.55

___________________________________________

=  \frac{3}{5}  \times  \frac{1}{6}

=  \frac{1}{5}  \times  \frac{1}{2}

=  \frac{1}{10}

= 0.1

________________________________________

\frac{4}{5}  \div  \frac{3}{7}

=  \frac{4}{5}  \times  \frac{3}{7}

=  \frac{12}{35}

________________________________________

2 \frac{3}{5} \div 1 \frac{3}{5}

=  \frac{13}{5}  \div  \frac{8}{5}

=  \frac{13}{5}  \times  \frac{5}{8}

=  \frac{13}{8}

= 1 \frac{5}{8}

________________________________________

\frac{12}{5}  \div  \frac{13}{5}

=  \frac{12}{5}  \times  \frac{5}{13}

=  \frac{12}{13}

3 0
3 years ago
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