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Ahat [919]
3 years ago
13

50 PIONTS AND BRANLIEST PWEASE HELP

Mathematics
1 answer:
____ [38]3 years ago
7 0
If the product of two rational numbers is positive, then the two factors are either both positive rational numbers or both negative rational numbers. A positive times a positive makes a positive and a negative times a negative makes a negative.
You might be interested in
A student wants to know the approximate distance between London and Beijing. Using a string, she finds that the distance on a gl
Montano1993 [528]

Answer:

8182 kilometers

Step-by-step explanation:

A correct proportion to use is 22 over 5,000 = 36 over d

Cross multiply to get 22d = 5,000 x 36. Then, solve d. d = 8181.81.......so the approximate distance rounded to the nearest whole number from London to Beijing is 8182 kilometers.

Hope This Is Right.....

8 0
3 years ago
Read 2 more answers
George said if 2 and 4 are factors of a number, then 8 is a factor of the number. Is he correct explain?
kogti [31]
Not always. Here's a statement that proves it wrong. 2 and 4 are a factor of 12. However, 8 is not a factor of twelve. In some cases though, it's right. 2 and 4 are a factor of 32. So is 8. So George is incorrect, it can only happen sometimes. Hope this helps. 
4 0
4 years ago
Read 2 more answers
Which is the equation of a line that has a slope of -2/3 and passes through point (–3, –1)?
emmainna [20.7K]

Answer:

y = (-2/3)x-3

Step-by-step explanation:

Hello:

equation is the line is : y = ax+b        a is a slope

y = (-2/3)x+b

passing through the point (−3;−1) :   -1 =(-2/3)(-3)+b    so : b = -3

y = (-2/3)x-3

second solution : you can verify (-3 ; -1) in the equation : y = (-2/3)x-3

3 0
3 years ago
Jason paints 1/4 of the area of his living room walls, w, on Monday. On Tuesday, he paints twice as much as he painted on Monday
AlekseyPX

Answer:

Step-by-step explanation:

Let us assume that the total area of the wall to be painted is w.

Then Jason painted an area of  (1/4)w on Monday

And he painted (2)(1/4)w on Tuesday

So to find the unpainted area, we just take the whole wall area to be painted (which is w) and subtract out the amounts painted on Monday and Tuesday, which are shown above.

So the unpainted area (U) would be shown by the following expression:

U = w - (1/4)w - (2)(1/4)w

We can simplify this expression by factoring out w

U = w(1 - 1/4 - 1/2)

U = w (1/4) or w/4

So all Jason needs to do is paint as much of the wall as he did on Monday, and he will be done!

8 0
3 years ago
Read 2 more answers
In emails to monthly readers of a newsletter 3% of the emails come back undelivered
MAXImum [283]

The prediction of the editor is not correct

Step-by-step explanation:

Step 1 :

Given,  

Percentage of email that comes back undelivered = 3%

Number of email the editor sends out = 12181

Number of email predicted by the editor which is undelivered  = 433

Step 2 :

To compute the actual number of emails undelivered we need to compute 3% of the emails that is actually sent.

= 3% of 12181 = 0.03 * 12181 =  365.43 which is 366 rounded to the closest integer.

Step 3:

Hence we can conclude that the prediction of the editor is not correct as only 366 undelivered notices are received back as against his prediction of 433 notices.

4 0
4 years ago
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