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kaheart [24]
3 years ago
8

What is the best way to answer this mixed number 7 3/4 + 1 5/6

Mathematics
2 answers:
olga_2 [115]3 years ago
8 0

9514 1404 393

Answer:

  9 7/12

Step-by-step explanation:

12 is a suitable common denominator.

  (7 3/4) + (1 5/6) = (7 9/12) + (1 10/12) = (7+1) +(9/12 +10/12)

  = 8 + 19/12 = 9 + 7/12 . . . . . . change 19/12 to 1 7/12

  = 9 7/12

_____

My calculator works with mixed numbers very nicely, as many graphing calculators do.

KatRina [158]3 years ago
4 0

Step-by-step explanation:

convert the fractions to whole numbers. the first one is:

4 × 7, then add 3, or 31/4.

the second one is 6 × 1, then add 5, or 11/6.

then you have 31/4 + 11/6. then you make a common denominator, which would be 12 (6 and 4 both go into 12).

3 × 31 = 93, so then the first fractions becomes:

93/12

second fraction becomes 11 × 2 = 22, then:

22/12.

so now you have 93/12 + 22/12 = 115/12, or 9 7/12

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What is the ascending order of 2.5, 3/4, 107%
sergey [27]

Lets put everything into decimal form

2.5=2.5

3/4=0.75

107%=1.07

Order:

0.75, 1.07, 2.5

3/4, 107%, 2.5

5 0
2 years ago
Read 2 more answers
Can you guys please help me I would really appreciate it have a good day!
irga5000 [103]
Answer:

(D) Volcanic Gray

Step-by-step explanation:

The ratio of Volcanic Gray is 8:1 (8 gallons of black to 1 gallon of white). If you double this ratio it is now 16:2 (16 gallons of black to 2 gallons of white). Thus your answer is D.
4 0
2 years ago
The total use of electricity in the United States was 0.4 trillion kilowatt-hours in 1950 and about 2.8 trillion kilowatt-hours
lora16 [44]

Answer: 7

Step-by-step explanation:

Scientific notation is a method that is used in very large numbers or when we've very small numbers. The number given will be multiplied by its power of 10. In this case,

2.8 trillion = 2,800,000,000,000

= 2.8 × 10^12

0.4 trillion = 400,000,000,000

= 4 × 10^11

Therefore, the times more electricity was there in 1999 than 1950 will be:

= (2.8 × 10^12) / (4 × × 10^11)

= (2.8/4) / (10^12 - 11)

= 0.7 × 10

= 7 times

There were 7 times more electricity that was there in 1999 than 1950.

3 0
2 years ago
Brent bought 6 packages of Kool-Aid mix priced at for $0.29 each and 2 packages of Sugar priced at $3.92 each and a gallon of wa
sashaice [31]

Answer:

kool-aid - $1.74

Sugar - $7.84

Total =$9.58

Step-by-step explanation:

kool-aid = $ 0.29 × 6 = 1.74

×6 because she bought 6 packages of Kool-aid and the price of each was $0.29

sugar = $3.92×2 = 7.84

×2 because she bought 2 packages of sugar and price for each was $3.92

total = $9.58

Add $1.74 + $7.84

3 0
2 years ago
I need help with this trigonometry problem
Kazeer [188]

Answer:

sin=7/25. cos=24/25. Tan=7/24

8 0
2 years ago
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