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Anna11 [10]
3 years ago
13

What is the answer of 8 (-12)

Mathematics
2 answers:
OverLord2011 [107]3 years ago
7 0

the answer is -96 as a  negatives and positive multiplied produce a negative. 8 * 12 is a calcultion you can do by columns

Olenka [21]3 years ago
4 0

-96

multiplly the numbers and get 96

a positive and a negative makes a negative

that's why the answer is -96


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¿Cuáles son los números primos entre 2 y 20?
Rus_ich [418]

Answer:

2 3 5 7

Step-by-step explanation:

6 0
3 years ago
How many five-card hands (drawn from a standard deck) contain exactly three fives? (A five-card hand is any set of five differen
VashaNatasha [74]

Answer:

4512.

Step-by-step explanation:

We are asked to find the number of five-card hands (drawn from a standard deck) that contain exactly three fives.

The number of ways, in which 3 fives can be picked out of 4 available fives would be 4C3. The number of ways in which 2 non-five cards can be picked out of the 48 available non-five cards would be 48C2.

4C3=\frac{4!}{3!(4-3)!}=\frac{4*3!}{3!*1}=4

48C2=\frac{48!}{2!(48-2)!}=\frac{48*47*46!}{2*1*46!}=24*47=1128

We can choose exactly three fives from five-card hands in 4C3*48C3 ways.

4C3*48C3=4*1128=4512

Therefore, 4512 five card hands contain exactly three fives.

4 0
4 years ago
What is the unit rate of 1/7 and 1/21 ? this is very confusing?
Xelga [282]

Answer:

the unit rate of 1/7 is itself (1/7), and for 1/21 is 1/21.

Step-by-step explanation:

this is because these rates/ratios are unit fractions. so if the numerater is 1, theres nothing you can do to simplify it.

you can check with the ceaser method as well, but you're still going to find the same solution.

plus, for example, if it takes 7 grams of sugar to make 1 cake, it wouldnt make sense for 1 gram of sugar to make 7 cakes.

hope this helped clear up your confusion <3

5 0
3 years ago
Pupils at a scholl either arrive by bus,car or on foot. 3/10 walk and 1/3 come by bus. What fraction come by car?
Gre4nikov [31]
The total of the pupils are the 100%, or in fraction mode, 1, the whole, so we have:
bus + car + foot = total
1/3 + car + 3/10 = 1
car = 1 - 3/10 - 1/3
car = 1 - (9/30 + 10/30)
car = 30/30 - 19/30
car = 11/30
that is the fraction that come by car
3 0
3 years ago
There were 10 baked goods in a basket. four of them were sold. write a fraction to show the part of the baked goods that were no
Zina [86]
<span>The fraction of baked goods not sold is 6/10. The numerator is the number of left over baked goods (10-4 -6) and the denominator is the total loaves of bread (10). An equivalent fraction is 12/20. This was obtained by multiplying the original fraction by two (6 x2 = 12 and 10 x2 =20).</span>
5 0
3 years ago
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