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gregori [183]
3 years ago
11

Help me is this plis​

Mathematics
1 answer:
Anton [14]3 years ago
7 0

Answer:

k

Step-by-step explanation:

no

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Combine each pair of equations solve the combined equation 3j +14=-5z-10j=5z
ArbitrLikvidat [17]

Given data:

The first equation is 3j +14=-5z.

The second equation is -10j=5z​ .

Add both the equations.

\begin{gathered} (3j+14)+(-10j)=-5z+5z \\ -7j+14=0 \\ 7j=14 \\ j=2 \end{gathered}

Substitute 2 for j in the first equation.

\begin{gathered} 3(2)+14=-5z \\ 20=-5z \\ z=-4 \end{gathered}

Thus, the value of j is 2 and z is -4.

3 0
1 year ago
the system of equatuions 2y = 14 - 2x and y= -x+7 is graphed. what is the solution to the system of equations
Alex73 [517]

Answer:

the solution is the whole line y = -x + 7

Step-by-step explanation:

both equations are identical

2y = 14 - 2x

=> y = 7 - x

which is exactly the same information as y=-x+7

so, there is no single crossing point. they are exactly covering each other. what "remains" is simply the whole line.

4 0
3 years ago
Ryan had 60 stamps. He gave 2/3 of the stamps to Olivia. In return, Olivia gave 2/3 of her stamps to Ryan how Many stamps does R
larisa86 [58]
Go f your self you middle school newbie
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3 years ago
HELP 7th grade math
Charra [1.4K]
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2 years ago
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Solve the equation?
stiks02 [169]

Answer:

A

Step-by-step explanation:

Given

p² + 2p - 8 = 0 ← in standard form

with a = 1, b = 2, c = - 8

Using the quadratic formula to solve for p

p = ( - 2 ± \sqrt{2^2-(4(1)(-8))} / 2

  = ( - 2 ± \sqrt{4+32} / 2

  = ( - 2 ± \sqrt{36} ) / 2

p = \frac{-2-6}{2} = \frac{-8}{2} = - 4

p = \frac{-2+6}{2} = \frac{4}{2} = 2

5 0
3 years ago
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