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Nookie1986 [14]
3 years ago
14

PLEASE HELP >?!

Mathematics
2 answers:
Vlada [557]3 years ago
8 0
I belive that the answer is C
riadik2000 [5.3K]3 years ago
6 0

Answer:

Option C : 7 +(-6) + (2+5)x

Step-by-step explanation:

Given :7 + 2(x – 3) + 5x

To Find :Which of the steps has an incorrect justification?

Solution :

7 + 2(x -3) + 5x

7 + 2x -6+ 5x

7-6+2x+ 5x

1+7x

So, Option C has an incorrect justification: 7 +(-6) + (2+5)x

Like terms can be added easily there is no need to apply distributive property .

Hence Option C has an incorrect justification

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Sam bought a soda and a bag of chips for $3. If the soda cost $1.75, how much was the bag of chips?
Anarel [89]

Answer:

1.25

Step-by-step explanation:

The bag of chips is worth the same as the entire purchase minus the soda.

Therefore the chips are worth 3 - 1.75 = 1.25

3 0
3 years ago
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You are driving to a conference in Cleveland and have already traveled 100 miles. You still have 50 more miles to go. When you a
Alborosie

Answer:

  150 miles

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Complete the solution of the equation. Find the<br> value of y when x equals 24.<br> -2x + 2y = -56
bixtya [17]

Answer:

<h2>For x = 24, y = -4.</h2>

Step-by-step explanation:

Put\ x=24\ to\ the\ equation\ -2x+2y=-56,\ and\ solve\ it\ for\ y:\\\\-2(24)+2y=-56\\\\-48+2y=-56\qquad\text{add 48 to both sides}\\\\-48+48+2y=-56+48\\\\2y=-8\qquad\text{divide both sides by 2}\\\\\dfrac{2y}{2}=\dfrac{-8}{2}\\\\y=-4

5 0
3 years ago
Calculate the equation of a straight line which x-intercept is = - 2 and y-intercept = 2
VikaD [51]

Answer:

y=-2x+2

Step-by-step explanation:

it has a positive slope

the line should point like this on the graph: picture above

7 0
2 years ago
Helppp I’ll make u a brainlister
fenix001 [56]

Answer:

108 deg

Step-by-step explanation:

Since sides DB and CD are congruent, then opposite angles are congruent.

m<C = m<B = 36

m<B + m<C + m<D = 180

36 + 36 + m<D = 180

m<D = 108

7 0
3 years ago
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