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Firlakuza [10]
3 years ago
8

Simplify the expression. 9 3 × 2 a. 15 b. 21 c. 24 d. 48

Mathematics
2 answers:
matrenka [14]3 years ago
5 0
The answer will be d
Katyanochek1 [597]3 years ago
4 0
The answer is D.. ..
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Which of the expressions below has a 4 in the ones place of the sum? Select all that apply.
lara [203]

Answer:

its C or D

Step-by-step explanation:

i think it's both !

8 0
3 years ago
Read 2 more answers
Janine worked 15 hours last week. One job as a clerk in a sporting goods store paid her ​$8.47 per​ hour, while her job giving p
lorasvet [3.4K]

Answer:

she worked 9 hours at sporting goods store and 6 hours on piano lessons.

Step-by-step explanation:

total hours=15

8.47x + 17(15-x) = 178.23

8.47x + 225 - 17x = 178.23

225 - 178.23 = 17x - 8.47x

76.77 = 8.53x

x = 76.77 / 8.53

x = 9

therefore she worked 9 hours at sporting goods centre and the remaining hours (15-9) giving piano lessons.

4 0
3 years ago
PLEASE HELP!!<br><br><br>11 (5/9 + 2/3) as a fraction
kozerog [31]
2/3 x 3/3 = 4/9
4/9+5/9=9/9=1
1+11= 12
The answer is 12
3 0
3 years ago
I will mark brailiest if anyone answers the question right. show your work with working.
finlep [7]

Answer:

remaining cardboard area =  122.5πr²

Step-by-step explanation:

area of original rectangle = length * width                                                                      

                                          =  18r * 8r

                                           =     144r²

  • area of semi circle: \frac{1}{2}πr²

Here we have 3 semi circles with radius 3r:

  • area of 3 semi circles:  3( \frac{1}{2} * π * (3r)²)

                                   : 3( \frac{1}{2} * π * 9r²)

                                    : 13.5πr²

  • area of one semi circle with radius 4r:

                       ( \frac{1}{2} * π * (4r)²)

                       ( \frac{1}{2} * π * 16r²)

                             8πr²

  • So the area of remaining cardboard:

            area of rectangle - area of 4 semi circles

                        144r² - 13.5πr² - 8πr²

                                122.5πr²

8 0
2 years ago
the book store had a new bookshelf that could hold 62 books the owner put 5 books on each of the shelves and the rest back in hi
Dominik [7]

Answer:

The number of books in the owner's office are 4.

Step-by-step explanation:

It is given that the book store had a new bookshelf that could hold 62 books the owner put 5 books on each of the shelves and the rest back in his office.

Now, let us assume the there are 'n' number of total books that the owner have with him;

=> total books = n

and the total books the shelf could hold is;

=> total books the shelf could hold = 62

Further, it is provided that the owner put 5 books on each of the shelves and the rest back in his office;

=> n = 62/5

=> n = 12.4

Therefore, the number of books in the owner's office are 4.

<u>To know more about this topic, click here</u>:

brainly.com/question/21298318

#SPJ9

8 0
1 year ago
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