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IceJOKER [234]
3 years ago
14

What is 2 1/4 + 1 1/8?

Mathematics
2 answers:
Anuta_ua [19.1K]3 years ago
7 0

Step-by-step explanation:

2(1/4) + 1(1/8)

9/4+9/8

lcm is 8

(18+9)/8

27/8=3.375=3 3/8

Contact [7]3 years ago
4 0
Hope this answered it

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Simplify 9 to the power of 2 over 9 to the power of 7 please help someone quick!
Charra [1.4K]

Answer:

1/59049

Step-by-step explanation:

4 0
3 years ago
Im lost please help me
zepelin [54]
Let C = the Chinese books.
Let E = the English language books.

C = 4/5 E

E - 300 = C - 180 Notice how you get this equation. You take 300 away from the English books and 180 from the Chinese and according to the question, you get an equal number of both. Put c = 4/5E into the second equation.

E - 300 = 4/5 E - 180 Add 300 to both sides.
E = 4/5 E - 180 + 300
E = 4/5 E + 120 Now subtract 4/5 E from both sidies.
E - 4/5 E = 120
1/5 E = 120 Now multiply by 5
E = 120 * 5
E = 600

So the number of books are
600 written in English
4/5 of 600 = 2400 /5 = 480 Chinese books.

English 600
Chinese 480
6 0
3 years ago
What is the surface area of this square pyramid
JulsSmile [24]

Answer:

Surface area of square pyramid shown in picture:

A = area of 4 triangles + area of square

  = 4 x 4 x 3 x (1/2) + 3 x 3

  = 33 (ft)

=> Option 4 (last one) is correct

Hope this helps!

:)

3 0
3 years ago
Gary applied the distributive property using the greatest common factor to determine the expression that is equivalent to 66+36.
mestny [16]

Answer:

6(11+6)

Step-by-step explanation:

Greatest common factor of 66 and 36 = 6

66+36 = 6*11 + 6*6 = 6(11+6)

5 0
3 years ago
Which of these numbers is between 5/6 and 1?<br> (A) 4/5 <br> (B) 4/7 <br> (C)6/7
djverab [1.8K]
Two basic ways in which to do this problem:

1.  Find and apply the LCD.

2.  Convert all of the given numbers to their decimal form, to 2 or 3 places only.

Try #2 first:

5/6 = 0.83    

4/5 = 0.80 is not between 5/6 and 1.  Reject it.
4/7 = 0.57 Reject
6/7 = 0.86 This is between 5/6 and1.  This is the answer.

 
8 0
3 years ago
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