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Setler [38]
2 years ago
7

-4 ( 6 - 2n ) = 30 + 8n Please help me

Mathematics
1 answer:
pogonyaev2 years ago
3 0
N = no solution

-4 ( 6 - 2n ) = 30 + 8n
-24 + 8n = 30 + 8n
Subtract 8n from both sides
-24 = 30
This is invalid therefore no solution
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Please help me it’s due soon-
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B-16

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2 years ago
Which is an estimate of LaTeX: \sqrt{14}<br> 14<br> to the nearest hundredth?
Mariana [72]

Answer:

3.74

Step-by-step explanation:

Square root of a number is the number that multiplies by itself to result in, in this case, 14.  The number is irrational, often, though here is close to 3.74, according to the calculator.  Many, though not all, courses recommend calculators for determining square roots, as the mathematical process is quite complex and often not taught.  Try this if your course allows, and if not, wow that's a tough course.  

6 0
2 years ago
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What set of reflections would carry trapezoid ABCD onto itself? (1 point) Trapezoid ABCD is shown. A is at negative 5, 1. B is a
amid [387]

Answer:

y=x, x axis,  y=x, y axis

Step-by-step explanation:

If a point A(x, y) is reflected along the y = x line, the new coordinates would be A'(y, x)

If a point A(x, y) is reflected across the x axis, the new coordinates would be A'(x, -y)

If a point A(x, y) is reflected along the y axis, the new coordinates would be A'(-x, y)

Firstly reflect Trapezoid ABCD along the y = x line to give:

A (-5, 1) ⇒ A'(1, -5). B (-4, 3) ⇒ B'(3, -4). C (-2, 3) ⇒C'(3, -2). D (-1, 1) ⇒ D'(1, -1)

Secondly reflect along the x axis to give:

A'(1, -5)⇒ A"(1,5). B'(3, -4)⇒ B"(3,4), C'(3, -2)⇒C"(3, 2), D'(1, -1) ⇒ D"(1, 1)

Thirdly reflect along the y = x line to give:

A"(1,5) ⇒ A"'(5, 1). B"(3,4) ⇒ B"'(4, 3). C"(3, 2) ⇒ C"'(2, 3). D"(1, 1) ⇒ D"'(1, 1)

Lastly reflect along the y axis to give:

A"'(5, 1) ⇒ A""(-5, 1), B"'(4, 3) ⇒ B""(-4, 3), C"'(2, 3) ⇒ C""(-2, 3), D"'(1, 1) ⇒ D""(-1.1)

6 0
3 years ago
Which list contains three multiples of 9?
max2010maxim [7]

Answer:

A

Step-by-step explanation:

9 * 7 = 63

9 * 8 = 72

9 * 10 = 90

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3 years ago
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