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ololo11 [35]
3 years ago
14

Can someone plug some numbers into a small equation real quick for me?:)

Mathematics
1 answer:
Arada [10]3 years ago
5 0
-13 times -7 equals -91
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Which ordered pair is the solution to the system of equations?
d1i1m1o1n [39]
\begin{cases}-3x+4y=-20\\y=x-4\end{cases}\\\\\\-3x+4(x-4)=-20\\\\-3x+4x-16=-20\\\\x-16=-20\quad|+16\\\\x-16+16=-20+16\\\\\boxed{x=-4}\\\\\\y=x-4\\\\y=-4-4\\\\\boxed{y=-8}

Answer C.
4 0
2 years ago
7TH GRADE MATH!!! PLZ HELP WILL MAKE BRAINLIEST AND THANKS!
ivanzaharov [21]

Answer: A, C, D

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3 0
2 years ago
1.5x+4.5y=18 where does it intersect the x-axis?
GrogVix [38]

Answer:

x-intercepts: (12, 0)

Step-by-step explanation:

8 0
2 years ago
How many real number solutions does the equation have
Ksju [112]
You have to find the discriminat b^2 -4ac

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if it is = 0, the function has one real solution
if it is <0, the function has no real solution

6^2 - 4(7)(3) = 36 - 84 = - 48

Answer c. no solution
5 0
3 years ago
What is 2+2=
alukav5142 [94]
Oh easy the answer to that question is 4
4 0
3 years ago
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