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harkovskaia [24]
3 years ago
15

Not really sure how to do this with a negative number

Mathematics
2 answers:
Umnica [9.8K]3 years ago
5 0
Note that (-1/7) = -(1/7).

So you have

 1      -1         -1
--- * ------ = ------
 2       7        14
Oksi-84 [34.3K]3 years ago
4 0
1/2*(-1/7) =  - (1*1)/(2*7)= - 1/14

(+)*(-) = (-)

Answer : - 1/14
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Jamie has a bag containing purple, pink, yellow, and blue marbles. There are a total of 40 marbles in the bag. Jamie randomly se
Ad libitum [116K]

Answer:

1 pink marble

Step-by-step explanation:

If Jamie selected 10 times the pink marble in a total of 420 tries, we can assume that the proportion of pink marble in the total number of marbles is:

10 / 420 = 1/42

So to predict a good number of pink marbles in the total 40 marbles, we just need to multiply the 40 marbles by the proportion found above:

pink marble = 40 * (1/42) = 0.9524

As this number needs to be a whole number, a good assumption is that there is 1 pink marble in the 40 marbles.

8 0
2 years ago
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Katarina [22]
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8 0
2 years ago
A family wants to remodel a house and spend at most $135,000 total for the entire project. a)If the builder wants to make a 15%
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3 0
2 years ago
What is 700,000 + 9,000 + 7 in standard form
iren [92.7K]

Answer:

709,007

Step-by-step explanation:

Look at the place values.

In 700, 000, the thousands column is in the third digit. Therefore add nine to that place.

In 700, 000 the ones column is the last digit. So add 7 to that place.

4 0
3 years ago
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seropon [69]

Given:

32 and 28 are the two numbers.

To find:

(a) The GCF of 32 and 28.

(b) Using the GCF, find the factor of (32-28).

Solution:

(a)

The factor forms of the given numbers are:

32=2\times 2\times 2\times 2\times 2

28=2\times 2\times 7

It is clear that, 2 and 2 are the common factors in both.

GCF(32,28)=2\times 2

GCF(32,28)=4

Hence, the GCF of 32 and 28 is 4.

(b)

Using the GCF we need to find the factor of (32-28).

32-28=4\times 8-4\times 7

Taking out the GCF, we get

32-28=4\times (8-7)

Hence, 32-28=4\times (8-7).

8 0
2 years ago
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