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marshall27 [118]
4 years ago
13

Help again 3/4 + 3/6 is what

Mathematics
2 answers:
Basile [38]4 years ago
6 0
3/4 + 3/6
3/4 + 1/2
3/4 + 2/4 = 5/4 = 1 1/4
Ket [755]4 years ago
6 0
The common denominator for both fractions is 12 so we multiply the numerator and denominator of 3/4 by 3 to get 9/12 and 3/6 by 2 to get 6/12
9/12 + 6/12 = 15/12
the answer is 15/12
we can simplify by putting this in a mixed fraction
1 and 3/12 or 1 and 1/4.
Hope this helps!

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Chris is 2 years old and Jenny is 4 years old. In how many years will Jenny be 7 years younger than twice Chris' age?
makkiz [27]
Let x be the unknown number of years.
Let C be Chris' age and J be Jenny's age.
Then J+x = 2(C+x)-7
    ... describes this situation.
          4+x = 2(2+x) - 7
           4+x = 4 + 2x - 7
               x  =  2x -7         becomes 7=x

In 7 years, Jenny will be 7 years younger than twice Chris' age.

Check:  Is this true?     4+7 = 2(2+7)-7
                                       11  =  18-7, or 11=11               TRUE
7 0
3 years ago
Each day, Louis reads 30 pages of a 450-page book. Write a linear equation to represent the number of pages Louis has left to re
frosja888 [35]

Answer:

450 - 30x = y

Step-by-step explanation:

I could be wrong

6 0
3 years ago
Read 2 more answers
Help 10 minutes please
xxMikexx [17]

256

4^3=64

100 divided by 25=4

5^0 = 0

64•4=256

7 0
4 years ago
Gina has a jar of marbles that contains 7 blue marbles, 5 red marbles, and 8 green marbles. She randomly selects a marble, recor
BigorU [14]

The probability that Gina randomly selected two red marbles is 1/19

<u>Explanation:</u>

Total number of marbles = 7 + 5 + 8

                                          = 20

The probability of getting two red marbles in the fraction form is given as:

P(first red marble) = number of red marbles / total number of marbles

P(first red marble) = \frac{5}{20} = \frac{1}{4}

P(second red marble) = number of red marbles after 1 white marble is removed / total number of marbles after 1 red marble is removed.

P(first red marble) = \frac{4}{19}

P(two red marbles) = P(first) X P(second)

                              = \frac{1}{4} X \frac{4}{19}

                              = \frac{1}{19}

Therefore, the probability that Gina randomly selected two red marbles is 1/19

6 0
4 years ago
I) A book has a length 20cm breadth 13cm and a height of 1.5cm Find the volume
nikklg [1K]

Answer:

6300 cm^3

Step-by-step explanation:

the volume of one book = 20 × 13 × 1.5 = 900 cm^3

the volume of seven books = 900 × 7 = 6300 cm^3

So, the answer is 6300 cm^3.

4 0
3 years ago
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