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valentina_108 [34]
2 years ago
7

What is cos A for this triangle?

Mathematics
1 answer:
mojhsa [17]2 years ago
5 0

Answer:

48/ 73

Step-by-step explanation:

With reference angle A

perpendicular (p) = 55

base (b) = 48

hypotenuse (h) = 73

Now

Cos A

= b/h

= 48/73

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Keisha is reading a 325-page book at a rate of 25 pages per day. Use a point-slope equation to determine
GuDViN [60]
To determine whether Keisha will be able to finish reading the book in 10 days, establish first the point-slope form of the scenario.

If we let y be the number of pages in a book and x be the number of days the slope-intercept form is as follows:
    y = 25x

To determine the value of x if y is equal to 325,
   325 = (25)(x) 

    x = 325/25
    x = 13

Since the value of x is greater than 10 then, Keisha will not be able to finish reading the book. 
4 0
3 years ago
I really need help with these, if you know any it would help so much
algol13

Answer:

1: 23.85

2: 83%

3: 44

Step-by-step explanation:

1 - do 53x0.45 (23.85)

2 - Divide 20 by 24, which you get 0.833333333 and move the decimal 2x to the right. You get 83.3333333, but round. So 83%

3 - do 80x0.55 (44)

5 0
3 years ago
How do you find the total area of a composite figure
vladimir1956 [14]

To find the surface area of a composite 3D figure, add the areas of each geometric figure making up the composite 3D figure. To find the volume of a composite 3D figure, draw any necessary planes to view the figure as basic three dimensional figures, then: add basic figure volumes belonging to the composite shape.

8 0
3 years ago
when the sum of an unknown number z and twenty two is divided by the same unknown number,the quotient is twelve what is the unkn
Anarel [89]

The unknown number . . . . .  (z)

The sum of the unknown number and 22 . . . . .  (z + 22)

The sum of the unknown number and 22
divided by the same unknown number . . . . . . .  (z + 22) / z

You said that quotient is 12.              (z + 22) / z  =  12

Multiply each side by 'z' :                  (z + 22)       =  12 z

Subtract 'z' from each side:                      22        =  11 z

Divide each side by  11 :                           2         =      z .
   
6 0
3 years ago
Point P is located at (−2, 7), and point R is located at (1, 0). Find the y value for the point Q that is located two over three
irinina [24]

Answer:

  7/3

Step-by-step explanation:

The distances have the ratio ...

  (Q -P) = (2/3)(R -P)

  Q = P +(2/3)R -(2/3)P = (2R +P)/3

  Qy = (2Ry +Py)/3 = (2·0 +7)/3 = 7/3

8 0
2 years ago
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