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AlladinOne [14]
3 years ago
12

Patty says that if you add the same negative integer five times, the sign of the sum is negative and its size is five times the

size of the original integer.
For example:

(-7) + (-7) + (-7) + (-7) + (-7)

= 5 x (-7)

= - 35


Is Patty’s statement true for all integers?

HELP PLEASE
Mathematics
1 answer:
Y_Kistochka [10]3 years ago
3 0

Answer:

Yes she is right. Hope that helps

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Andre45 [30]

Answer:

A : 4x+5x=180

Step-by-step explanation:

They form a linear pair which equals 180.

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50 POINTS HELP ASAP PLZ What is the equation of this line?
RSB [31]

Answer:

i think its the third one

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3 years ago
A printer takes 30 minutes to print a banner and a poster. I will take 50 minutes to print a banner and three posters. How long
qwelly [4]

Answer:

It takes the printer 20 minutes to print a banner

Step-by-step explanation:

Notice that there are two unknowns in this problem: the time to print a poster and the time to print a banner. Let's assign the letter "b" to the time it takes to print a banner, and "p' the time it takes to print a poster.

So we can write the following two equations involving the total amount of time that takes to print in the two cases:

b+p=30\\b+3p=50

We can solve for the unknown "p" by subtracting term by term in the equation set above:

b+3p=50\\b+p=30\\\\b-b+3p-p=50-30\\2p=20\\p=10

So it takes 10 minutes to print each poster, we can find the time it takes to print the banner by using the value we just found in one of the equations:

b+p=30\\b+10=30\\b=20

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8 0
3 years ago
Two cyclists, 112 miles apart, start riding toward each other at the same time. One cycles 3 times as fast as the other, and the
Iteru [2.4K]

Answer:

Speed of a= 21 miles/hr

r = Speed of b= 7 miles/hr

Speed of a = 3r

Step-by-step explanation:

The cyclist are 112 miles apart

Time traveled by two = 4 hours

Speed of a = 3 * speed of b

If a cylcles 3 times More than b, then a will cover 3*distance of b

But speed = distance/time

Time = 4hours

Total distance=112

a = 3b

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b = 112/4

b = 28 miles

a = 3b

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a = 84 Miles

They bought traveled 4 hours

Speed of a = 84miles/4 hours

Speed of a= 21 miles/hr

Speed of b = 28miles/4 hours

Speed of b = 7 miles/hr

5 0
4 years ago
What is the equation of the line that best fits the given data? A graph has points (1, 7), (1, 6), (2, 5), (2.5, 5), (3, 3), (4,
Temka [501]

Answer:

D

Step-by-step explanation:

this is correct on edge

3 0
3 years ago
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