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Natali5045456 [20]
3 years ago
7

What’s the answer???????

Mathematics
2 answers:
miss Akunina [59]3 years ago
4 0
You could use 21x-28
lys-0071 [83]3 years ago
4 0

Answer:

21x - 28

You would multiply 7 times 3x which is 21 x and then you would multiply 7 times -4 which is -28.

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Will mark Brainliest!! :)
Georgia [21]

Step-by-step explanation:

The system of equations for eq 1 which is 3x + y = 118 represents the Green High School which filled three buses(with a specific number of students identified as x) and a van(with a specific number of students identified as y) with a total of 118 students.

for eq 2; 4x + 2y = 164; represents Belle High School which filled four buses(with a specific number of students identified as x) and two vans(with a specific number of students identified as y) with a total of 164 students.

The solution represents the specific number of students in the buses and vans in eq1 and eq 2 with x being 36 students and y being 10 students.

substituting 36 for x and 10 for y in eq 1;

3(36) + 10 = 108 + 10 = 118 total students for Green High School

substituting 36 for x and 10 for y in eq2;

4(36) + 2(10) = 144 + 20 = 164 total students for Belle High school

6 0
2 years ago
What is equivalent to the product of nine and b cubed
ankoles [38]
The expression is
9b^3
5 0
3 years ago
−7x−6y=2<br> 7x+4y=−6<br> solve for x and y
ikadub [295]

Answer:

\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:x=-2,\:y=2}

Step-by-step explanation:

\begin{bmatrix}-7x-6y=2\\ 7x+4y=-6\end{bmatrix}

\mathrm{Substitute\:}x=-\frac{2+6y}{7}

\begin{bmatrix}7\left(-\frac{2+6y}{7}\right)+4y=-6\end{bmatrix}

\begin{bmatrix}-2-2y=-6\end{bmatrix}

\mathrm{For\:}x=-\frac{2+6y}{7}

\mathrm{Substitute\:}y=2

x=-\frac{2+6\cdot \:2}{7}\\\\x=-2

5 0
2 years ago
Please help fast ill give brainlist and 5 stars
WITCHER [35]

Answer:

i think its c

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Do you guys know this? 82 − − 33 = 35
jenyasd209 [6]

um...

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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