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Viktor [21]
3 years ago
9

When 0.3(4x – 8) – 0.5(–2.4x + 4) is simplified, what is the resulting expression?

Mathematics
1 answer:
ArbitrLikvidat [17]3 years ago
7 0

Answer:

2.4x-4.4

Step-by-step explanation:

1.2x-2.4+1.2x-2=2.4x-4.4

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What is the equation of a line that is perpendicular to y=4x-5 and passes through (-4,6)
lozanna [386]

Answer:

y=-1/4x+5

Step-by-step explanation:

perpendicular lines have slopes that multiply to -1.

Our given line:

y=4x-5

the slope (m) in it is 4. To find the slope of the perpendicular line:

4m=-1

divide by 4

m=-1/4

the slope of the new line is -1/4

here's our equation so far:

y=-1/4x+b

Since the line will pass through the point (-4,6) we can use it to solve for b (y intercept)

so substitute (-4,6) into the equation

6=-1/4(-4)+b

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5=b

the y intercept is 5

so our equation is:

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hope this helps! :D

4 0
3 years ago
7n + 5n2 + 10 – 7n<br><br> Simplify the expression
Travka [436]

Answer:

10n+10

Step-by-step explanation:

7n-7n+5n2+10

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7 0
3 years ago
BRAINEST IF YOU GET THSI RIGHT
Scorpion4ik [409]
<h3>Solution :</h3>

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By cross multiply, we get

\sf : \implies (6x+4) \times 8 = (5x-5) \times 3

\sf : \implies 48x+32 = 15x-15

\sf : \implies 48x+32 - 15x + 15= 0

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\sf : \implies 33x = -47

\sf : \implies x = \dfrac{- 47}{33}

Therefore, answer is \sf x = \dfrac{- 47}{33}

4 0
2 years ago
Read 2 more answers
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