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dybincka [34]
2 years ago
6

PLEASE HELP I HAVE 45 min to SUBMIT WILL GIVE BRAINLY

Mathematics
1 answer:
bija089 [108]2 years ago
8 0

Answer:

Step-by-step explanation:

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Write a system of equations to describe the situation below, solve using elimination, and fill in the blanks.
nataly862011 [7]

Answer:

Step-by-step explanation:

x = small barrettes

y = large barrettes

13x + 11y = 142.......multiply by -1

13x + 12y = 149

-----------------------

-13x - 11y = -142 (result of multiplying by -1)

13x + 12y = 149

------------------------add

y = 7..........large barrettes used 7 yards

13x + 11y = 142

13x + 11(7) = 142

13x + 77 = 142

13x = 142 - 77

13x = 65

x = 65/13

x = 5........small barrettes used 5 yards

4 0
3 years ago
Evaluate the expression for the given values.<br><br> mx — y when m = 5, x = 3, and y =8
Serhud [2]
Mx - y
5 times 3 - 8
15 - 8
=
7
7 0
3 years ago
Combine Like Terms: x^2 + y^2 + 3y^2 + 4x + 2x + 2 + 2
Serga [27]

Answer:

x^2 + 4y^2 + 6x + 4

Step-by-step explanation:

Arranging the terms;

x ^ 2 + y^2 + 3y^2 + 4x + 2x + 2 + 2

x^2 + 4y^2 + 4x + 2x + 2 + 2

x^2 + 4y^2 + 6x + 2 + 2

x^2 + 4y^2 + 6x + 4

8 0
3 years ago
What is the value of the expression below (81^2)^1/8
emmasim [6.3K]

\textsf{Hey there!}

\mathsf{81^2=81\times81\rightarrow\bf{6,561}}

\mathsf{(6,561)^{\dfrac{1}{8}}= \bf{3}}

\boxed{\boxed{\mathsf{Therefore, your\ answer\ is: \boxed{\huge\textsf{\bf{C. 3}}}}}}\huge\checkmark

\textsf{Good luck on your assignment and enjoy your day!}

~\dfrac{\frak{LoveYourselfFirst}}{:)}

6 0
3 years ago
Read 2 more answers
Determine whether the situation is linear or nonlinear, and proportional or nonproportional. Joanna is paid $14 per hour.
juin [17]
Linear. 
1/14
2/28
3/42
4/56
on a graph, it forms a straight line.
5 0
3 years ago
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