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Lena [83]
3 years ago
5

HELP -3/7 + (-3/4) = ?

Mathematics
1 answer:
umka2103 [35]3 years ago
5 0

Answer: -33/28

Step-by-step explanation:

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Someone please help me! I really need help with this!!!
Nutka1998 [239]

Answer:

y-8=2(x-9)

Step-by-step explanation:

m=y2-y1/x2-x1

10-8/10-9=2

y-y1=m(x-x1)

y-8=2(x-9)

5 0
3 years ago
the volume of a gas varies inversely as the pressure upon it. if the volume of the gas is 160 cubic centimeters at a pressure of
marin [14]
It was stated in the problem that a given volume of a is inversely proportional with the pressure of the system. It means that the as the volume increases, the pressure would decrease and as the volume decreases, the pressure would increase. We would express it as:

V α 1/P

To change it to an equality, we introduce a proportionality constant, k. We do as follows:

V = k/P

So, to determine what is asked, we need to first calculate for the value of k.

V = k/P
At V = 160 m^3 P = 108 cmHg
160 = k / (108)
k = 17280

Thus, at P = 87 cmHg 
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4 0
3 years ago
Amelie randomly picked 15 flowers from a garden. 5 of the flowers she picked were tulips. What is the experimental probability t
irinina [24]

Answer:

I may be dumb but i think it's 1/3

Step-by-step explanation:

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3 years ago
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The Spanish club held a car wash to raise money. The equation y=5x represents the amount of money y club members made for washin
Korolek [52]

They wash a car for $5, so 5 represents the cost of washing one car. to find out how much they will earn by washing x cars, we can multiply 5 by any number to find the total cost of the washed cars. For example 5×2=10 which means the cost of washing 2 cars is $10 and 5×3=15 means the cost of washing 3 cars is $15 and also 5×4=20 means the cost of washing 4 cars is $20. Basically the cost of the washed cars will increase by $5 each time the number of cars increase.

3 0
4 years ago
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