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NemiM [27]
3 years ago
15

Find the measure of anlge A. 7x + 3 7x + 3 A PLEASE HELP!!!!!!!

Mathematics
2 answers:
earnstyle [38]3 years ago
7 0

Answer:

3 + 7x = 7x + 3

Step-by-step explanation:

Simplifying

7x + 3 = 7x + 3

Nostrana [21]3 years ago
4 0

Answer:

Angle A = 45 degrees

Step-by-step explanation:

7x+3 + 7x+3 +90 = 180

14x + 96 = 180

14x = 84

x = 6

Angle A = 7x+3. --> 7(6) + 3 --> 45

Angle A = 45 degrees

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You run at a pace of 8.5 minutes per mile in a 26.2 mile marathon. How many minutes will it take finish?
algol [13]
8.5 minutes per mile is equivalent to 

17 minutes
----------------
  2 miles

and the reciprocal of that is


2 miles
-----------
17 min

Now multiply 26.2 miles by 

17 min                                   (17 min)* (26.2 mi)
------------ ,    obtaining         ---------------------------
 2 miles                                           2 mi

This simplifies to (17)(26.2)/2 minutes = 222.7 minutes, 

or

222.7 minutes        1 hr
-------------------- * ------------ = 3.7 hours
          1                  60 min
4 0
3 years ago
The poetry section of the library has 6 bookcases. Each bookcase has 3 shelves. There are 10 books on each shelf. How many total
torisob [31]

Answer: total books = 180

Step-by-step explanation:

Given: Poetry section of the library has 6 bookcases.

Number of shelves in each bookcase = 3

Total shelves =  (Number of shelves in each bookcase) x (Number of bookcases in each poetry section)

= 3 x 6

= 18

Number of books in each shelf = 10

Total books = (number of shelves) x 10

= 18 x 10

= 180

hence, total books in the poetry section= 180

5 0
3 years ago
A pet store sells an average of 185 pounds of birdseed in a month. The birdseed comes in 5 pound bags. Which equation can be use
bearhunter [10]

Answer:

37.

Step-by-step explanation:

185 ÷ 5 = 37

5 x 37 = 185

The store sells an average of 37 bags of birdseed each month.  

4 0
3 years ago
The length of Bryan’s garden is 4 meters longer than 3 times the width. The perimeter of his garden is 72 meters. What are the d
ololo11 [35]

Answer:

8 m = width

28 m = length

Step-by-step explanation:

Let w = width

3w + 4 = length

P =  2w + 2l

  = 2w + 2(3w + 4) = 72

     2w + 6w + 8 = 72

      8w + 8 = 72

       8w = 64

         w = 8 m = width

3w + 4 = 24 + 4 = 28 m = length

7 0
3 years ago
Read 2 more answers
If AB = 21 centimeters, and BC = 28 centimeters, which does AC equal?
Bad White [126]

yup the answer would be c have a nice day :)

7 0
3 years ago
Read 2 more answers
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