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sammy [17]
3 years ago
9

Will the product of a positive number and a negative number be positive or negative? Why?

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
5 0

Answer:

negative

Step-by-step explanation:

positive * positive = positive

negative * positive = negative

negative * positive = negative

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Which fraction is larger 3/4 or 7/9 and find the common denominator
FrozenT [24]

Answer:

the answer is 7/9

Step-by-step explanation:

7 0
2 years ago
5, 10, 12, 4, 6, 11, 13, 5<br> calculate the median <br> show your work
Zinaida [17]

First you want to organize it from least to greatest: 4, 5, 5, <em>6, 10</em>, 11, 12, 13

Then look for the one in the middle. But oh wait there are 2 so you need to add 6 and 10 then divide it by 2 to get a median of 8.

A song I learned back then is this I don't know who it is by though: Mode, mode, mode is the most, Average is the mean.Median, median, median, median, The number in between.

8 0
3 years ago
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Find the equation of the line, in slope intercept form that passes through the point (-6,5) and has slope 1/3
nexus9112 [7]

Answer:

y = x/3 + 7

Step-by-step explanation:

Use the equation: y - y1 = m(x - x1)

Plug in the given values into the equation:

y - 5 = (1/3)(x + 6)

Simplify the right side:

y - 5 = (x/3) + 2

Finally, add 5 to both sides:

y = x/3 + 7

6 0
3 years ago
Suppose each laptop of a certain type is assigned a series number, which consists of a sequenceof eight symbols: number, letter,
Varvara68 [4.7K]

Answer:

Step-by-step explanation:

There are 5numbers and 3 letters. Each number can be one among the 10 possible.

Each letter is 1 among the 26 available.

a)The number of possible unique serial numbers are

10^5x 26³

The number of 5 number combinations each different (order important) is 5!(10/5)= 30240

The number of 3 letter combinations each different (order important) is 3!(26/3)=15600

The required probability (that all symbols are different if one laptop is picked at random with equal probability) is

15600x3240/ 10^5x 26³=0.2684

b) The first letter must be at least 4 to be largest among the 5 numbers. So the first letter can be one of . 4,5,6,7,8,9..

The number of 5 number combinations each different and starting with 4 (order important) is .

4!=24

The number of 5 number combinations each different and starting with 5 (order important) is .

4!(5/4)= 120

The number of 5 number combinations each different and starting with 6 (order important) is .

4!(6/4)= 360

The number of 5 number combinations each different and starting with 7 (order important) is .

4!(7/4)= 840

The number of 5 number combinations each different and starting with 8 (order important) is

4!(8/4)= 1680

The number of 5 number combinations each different and starting with 9 (order important) is .

4!(9/4)= 3024

Thus, there are

The required probability ( that all symbols are different and the first number is the largest among the numbers) is

15600* 6040/10^5x 26³= 0.0537

5 0
3 years ago
2.
BlackZzzverrR [31]

Answer:

D.

Step-by-step explanation:

f(x) increases by 2 as x increases by 1 x value.

We know it isn't A since and x value plue 2 would not equal the y value.

But if you multiply each x-value by 2 you get f(x)

8 0
2 years ago
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