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Alinara [238K]
3 years ago
11

Express tan A as a ratio with a rationalized denominator.

Mathematics
1 answer:
Hitman42 [59]3 years ago
5 0
tan A = opposite/ adjacent , so it is equal to 7/ 4V2, or 7V2/4 which is answer B
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A point (3, –2) is reflected across the x-axis followed by a reflection across the y-axis. Find the image of the point after the
kotegsom [21]

Answer:

D. (-3, 2)

Step-by-step explanation:

The original point is (3, -2)

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The rule for reflecting across the y-axis is (x, y) -> (-x, y)

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4 0
3 years ago
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Ket [755]
Hi there,

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5 0
3 years ago
Scale on map is Lin 86 mi if actual distance is 35 mi . Between two cities how far apart on the map are they
Mrac [35]

Answer:

0.41 cm

Step-by-step explanation:

The scale on the map is 1 in 86 mi.

This means that, 1 cm on the map represents 86 miles in real life, or on earth.

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x * 86 = 35 * 1

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5 0
2 years ago
-| x-4| + 2 = -2x + 7
astraxan [27]

X=3

Let's solve your equation step-by-step.

−

|

x

−

4

|

+

2

=

−

2

x

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7

Step 1: Add -2 to both sides.

−

|

x

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4

|

+

2

+

−

2

=

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x

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x

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|

=

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2

x

+

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Step 2: Divide both sides by -1.

−

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x

−

4

|

−

1

=

−

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x

+

5

−

1

|

x

−

4

|

=

2

x

−

5

Step 3: Solve Absolute Value.

|

x

−

4

|

=

2

x

−

5

We know either

x

−

4

=

2

x

−

5

or

x

−

4

=

−

(

2

x

−

5

)

x

−

4

=

2

x

−

5

(Possibility 1)

x

−

4

−

2

x

=

2

x

−

5

−

2

x

(Subtract 2x from both sides)

−

x

−

4

=

−

5

−

x

−

4

+

4

=

−

5

+

4

(Add 4 to both sides)

−

x

=

−

1

−

x

−

1

=

−

1

−

1

(Divide both sides by -1)

x

=

1

x

−

4

=

−

(

2

x

−

5

)

(Possibility 2)

x

−

4

=

−

2

x

+

5

(Simplify both sides of the equation)

x

−

4

+

2

x

=

−

2

x

+

5

+

2

x

(Add 2x to both sides)

3

x

−

4

=

5

3

x

−

4

+

4

=

5

+

4

(Add 4 to both sides)

3

x

=

9

3

x

3

=

9

3

(Divide both sides by 3)

x

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7 0
3 years ago
What is 2x + 7y = –10?
lubasha [3.4K]

Answer:

-1 1/9

Step-by-step explanation:

2x + 7x  = -10    (equation)

9x = -10   (combine like terms)

x = -10/9   (move the 9 over)

x = -1 1/9 (simplify)

6 0
3 years ago
Read 2 more answers
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