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jonny [76]
3 years ago
14

Helpppp what can i use to submit this

Mathematics
1 answer:
-Dominant- [34]3 years ago
5 0
-15 and -2 don’t make +17
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Solve this question using elimination
Lorico [155]

\left\{\begin{array}{ccc}y=2x-5\\y=2x+7&&\text{multiply both sides by (-1)}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}y=2x-5\\-y=-2x-7\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad0=-12\qquad\text{FALSE}\\\\Answer:\ \boxed{NO\ SOLUTION}

6 0
3 years ago
Mr. Khan went for a trip in his car, which travels 14.5km/h on 1 liter petrol. The
Helga [31]

Answer:

25L

Step-by-step explanation:

19396.5 km - 19034.0 km = 362.5‬ km travled

362.5 km / 14.5 km/L = 25L

5 0
3 years ago
{x{ x + 4<0 or 6x>-12)
lora16 [44]

Answer:

x\in (-\infty , -4) \cup (-2,+\infty)

Step-by-step explanation:

Solve the system of inequalities:

x + 4 < 0

OR:

6x > -12

The first inequality yields the solution:

x < -4

The second inequality gives the solution:

x > -2

The total solution is the disjunction of the individual solutions, i.e., the union of both.

It can be expressed as

\mathbf{x\in (-\infty , -4) \cup (-2,+\infty)}

4 0
2 years ago
Juan and his father went on a driving trip.
Jet001 [13]

Answer:

162

Step-by-step explanation:

260/2=130

130+32=162

8 0
3 years ago
Read 2 more answers
Which values of x make the equation |x - 7| = x - 7 true?<br><br> 9<br> 0<br> 3<br> 8<br> -7
Vlad [161]
-7
I might not be right but that’s what I got.
3 0
3 years ago
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