3 years ago

Solve for x : 5x-2(x+1) =10

Mathematics

2 answers:

Sergeu [11.5K]3 years ago

7 0

Answer:

x=4

Hope this helps =]

Oduvanchick [21]3 years ago

4 0

ANSWER:
x=4

How to get it:
hope this helps!

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UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each

hjlf

Answer:

The costs will be the same at 21 pounds.

Step-by-step explanation:

Let p be the number of additional pounds. (Total weight would be p+1).

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3 years ago

The system of equations kx-5y = 2, 6x+2y = 7 has no solution, then k =

hoa [83]

Answer:

(d) -15

Step-by-step explanation:

Given system of equations are:

$\begin{cases}kx-5y=2\\\\6x+2y=7\end{cases}$

Since, given system of equations have no solution.

$\therefore \frac{k}{6}=\frac{-5}{2} \neq\frac{2}{7}$

$\implies \frac{k}{6}=\frac{-5}{2}$

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$\implies k=\frac{-30}{2}$

$\implies k=-15$

6 0

3 years ago

PLZ HELP WITH THESE QUESTIONS!!!!!!!!!!

Oduvanchick [21]

Which one of these ?

4 0

4 years ago