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Llana [10]
3 years ago
9

1 + x = 7 − 2x solve the equation

Mathematics
1 answer:
ser-zykov [4K]3 years ago
7 0

Answer:

x = 2

Step-by-step explanation:

Given

1 + x = 7 - 2x ( add 2x to both sides )

1 + 3x = 7 ( subtract 1 from both sides )

3x = 6 ( divide both sides by 3 )

x = 2

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QUESTION 15
joja [24]

Answer:

13.172

Step-by-step explanation:

Hello!

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8 0
2 years ago
Please helppppp giving brainlest please!! thank you
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Answer: 12.8 meters long

Step-by-step explanation:

b=body length

8/1=b/1.6

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7 0
1 year ago
Read 2 more answers
Are the following lines parallel, perpendicular, or neither?
natta225 [31]

Answer:

Perpendicular

Step-by-step explanation:

Parallel lines mean lines that have same slope but since both equations have different slopes which you can check by looking at m-value in y = mx + b. In this case m1 or first slope is -4/3 and m2 or second slope is 3/4.

Perpendicular means that both lines are reciprocal to each other. This means the perpendicular condition is or satisfies \displaystyle \large{m_1m_2 = -1 \longrightarrow m_1 = -\frac{1}{m_2} \longrightarrow m_2 = -\frac{1}{m_1}}

We have m1 = -4/3 and m2 = 3/4.

Therefore, -4/3 * 3/4 = -1 thus both lines are perpendicular to each other as it satisfies m1m2 = -1 condition.

8 0
2 years ago
HURRY Multiply.
MissTica
Um sorry they dont form a fraction 
6 0
3 years ago
What is the percent of increase from 40 to 90?
QveST [7]
<span>Percent change = [(40 - 90) / 40] x 100 = 125 % (increase) </span>125% increase
6 0
4 years ago
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