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Helen [10]
4 years ago
8

What is the solution of the system? Use substitution.

Mathematics
1 answer:
Illusion [34]4 years ago
3 0
B. I don't If it help
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Help me please will give brainleist
34kurt

Answer:

sound travels fastest in solids

Step-by-step explanation:

the particles are more close together therefore the sound can travel faster :D

7 0
3 years ago
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Sara uses ribbon to make hair bows. The length of each ribbon Sara uses is represented by the line plot shown. What is the diffe
son4ous [18]

1 foot because if you do 1 1/2 - 1/2 = 1

5 0
2 years ago
Simplify -4x - x<br> A: -5x<br> B: -4x<br> C: -3x
kumpel [21]
-3x because there is always an invisible one infront of a variable with no number and since those are now like terms it changes to
-4x-1x or -4x-+1x which is just making the number smaller
5 0
4 years ago
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Please?
marishachu [46]

Answer:

  k = 9/8

Step-by-step explanation:

For a root with multiplicity 2, the discriminant must be zero. For quadratic ax^2 +bx +c, the discriminant is ...

  d = b^2 -4ac

For your quadratic, a=2, b=3, c=k, so you want ...

  3^2 -4(2)(k) = 0

  9 -8k = 0

  k = 9/8

6 0
3 years ago
In order to solve for the variable in the equation Mikel first applies the distributive property. Which equation is a result of
Ede4ka [16]

Answer:

1 - x - 2 + 2x = 10x - 25 - x

Step-by-step explanation:

We have the expression: 1 - (x+2) + 2x = 5(2x - 5) - x

Applying the distributive property we get:

1 - x - 2 + 2x = 10x - 25 - x

So, the following equation is the result of that step: 1 - x - 2 + 2x = 10x - 25 - x

6 0
3 years ago
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