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arsen [322]
3 years ago
14

Determine the equivalent system for the given system of equations:

Mathematics
1 answer:
NeTakaya3 years ago
4 0

Answer:

\large\boxed{B.\ \left\{\begin{array}{ccc}2x+3y=7\\6x+y=11\end{array}\right}

Step-by-step explanation:

\left\{\begin{array}{ccc}2x+3y=7&(1)\\4x-2y=4&(2)\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}2x+3y=7\\4x-2y=4\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad6x+y=11\qquad(3)\\\\\text{Make the system of equation with (1) and (3):}\\\\\left\{\begin{array}{ccc}2x+3y=7\\6x+y=11\end{array}\right

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If £25 = 750 rubles, how many £ are in 780 rubles?
-Dominant- [34]

Answer:

26

Step-by-step explanation:

25/750=0.033333

0.033333x780=26

8 0
3 years ago
Which best describes the range of the function f(x)=2/3(6)^x after it's been reflected over the x-axis
Norma-Jean [14]

The function 6^x is an exponential with base greater than 1. So, its range is (0,\infty), with 0 being the horizontal asymptote as x \to -\infty.

If you multiply the function by \frac{2}{3}, the range remains the same.

If you reflect it over the x-axis, you're changing the sign of the function. So, the new range is

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8 0
4 years ago
The first step in the process for factoring the trinomial x^2-3x-40 is to
jenyasd209 [6]

(x-8)(x+5)

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5 0
3 years ago
Read 2 more answers
The area of the parallelogram is_______________
mars1129 [50]

Answer:

C) 384

Step-by-step explanation:

A=bh

5 0
3 years ago
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An ice chest contains 9 cans of apple juice6 cans of grape juice5 cans of orange juiceand 4 cans of pineapple juice Suppose that
KatRina [158]

Answer:

243/506

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The second time, 1 is removed, then another is removed. This creates:

(18/24)*(18/23)*(18/22) = 243/506

4 0
2 years ago
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