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Liono4ka [1.6K]
3 years ago
8

In tan A = 7/9 the measure of

Mathematics
1 answer:
TiliK225 [7]3 years ago
8 0
If the tangent of angle 'A' is 7/9 , then
angle 'A' is either 37.87° or 217.87°.
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Find the slope of the line passing through the points (5, 7) and (5, -9)​
Fantom [35]

Answer:

undefined

Step-by-step explanation:

To find the slope, we can use the slope formula

m = (y2-y1)/(x2-x1)

   = (-9-7)/(5-5)

   = (-16)/0

When we divide by zero, the slope is undefined

7 0
2 years ago
Joeli has 10 quarters. She wants to buy postcards to mail to her friends. Each postcard costs 2 quarters. How many postcards can
Arada [10]
5 post cards because its 10 divided by 2
3 0
3 years ago
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4 0
3 years ago
What is the slope of the line that is perpendicular to a line whose equation 3y=-4x+2?
Zarrin [17]
The slopes of lines perpendicular to each other are opposite reciprocals. So, if you are given that the slope of a line is 3 and need to find the slope of a line perpendicular to that line, you'd flip that number around and negate it, leaving you with -1/3.

To find the slope of the given line, first get it into slope-intercept form (y - mx + b, where m is the slope and b is the y-intercept).

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The slope is -4/3. To find the slope of a perpendicular line, find its opposite reciprocal. It is 3/4.

Answer:
3/4 (the first option)
6 0
3 years ago
Evaluate the expression (2x + y) +5 when x = 4, y = 10.
Maru [420]

Answer:

The answer is 23.

Step-by-step explanation:

Our equation here is (2x + y) + 5.

If x=4, and y=10, let's plug that in into our variables, and simplify!

[2(4) + (10)] + 5

= [8+10] + 5

=[18] +5

=23

7 0
3 years ago
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