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3 years ago

25PTS!!!! PLEASE HELP!!!! WILL GIVE BRAINLIEST!!!!

Mathematics

2 answers:

AleksAgata [21]3 years ago

7 0

Answer:

The answer is B.

Step-by-step explanation:

You have to have a straight line and it has to go through the origin or else its not proportional

tiny-mole [99]3 years ago

3 0

Answer:

A.) A straight line can be drawn through all the points and the line passes through the point (0, 0)

Step-by-step explanation:

When a line is straight, drawn through all points, and passes through the origin, that is how you know it's proportional.

B. would be incorrect because a line would have to be drawn through tall points to show that it is proportional

C. the first part of c would be correct but a line doesn't have to pass through (0,3) it has to pass through (0,0) also known as the origin

D. This answer is also incorrect. A line always has to pass through (0,0) to be proportional

Hope this helps :D

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Y = -x<br><br> What is is the constant of proportionality

Stels [109]

Hey!

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-x = -1

This statement shows that y equals -1. Since it doesn't show a table or word problem then we already know that the constant of proportionality is -1. Or if you just have the expression just divide the number by 1. -x/1 = -1!

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Thus, -1 is the constant of proportionality!

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Hope This Helped! Good Luck!

4 0

3 years ago

An oil tanker breaks apart and starts leaking. As time goes on, the rate at which the oil is leaking out will diminish. Suppose

Alborosie

Answer:

62.77 million gallons

Step-by-step explanation:

Given,

The function that shows rate of leaking oil per minute in after t hours,

$R(t) = \frac{0.7}{1+t^2}$

∵ 1 hour = 60 minutes ⇒ 3 hours = 180 minutes,

Hence, the quantity of oil leaked out in the first 3 hours,

$V(t) = \int_{0}^{180} R(t) dt$

$=\int_{0}^{180} \frac{0.7}{1+t^2} dt$

$=0.7 \int_{0}^{180} \frac{dt}{1+t^2}$

$=0.7[tan^{-1}(t)]_{0}^{180}$

$=0.7(tan^{-1}(180) - tan^{-1} (0))$

$=0.7(89.68)$

= 62.77 million gallons

5 0

3 years ago

CAN SOMEONE ACTUALLY HELP ME PLEASE!!!!!!!!!!

umka2103 [35]

Answer:

Sure thing, with what?

Step-by-step explanation:

5 0

3 years ago

VERY EASY 7TH GRADE QUESTION FIRST ANSWER IS BRAINLIEST

nadezda [96]

Answer:

$A. \: \boxed{ 5c - 5 = 45 }$

Step-by-step explanation:

$let \: the \: cost \: of \: thier \: meal \: be \: \to \: c \\ then \to \\ the \: five \: of \: them \: will \: cost \: 5c \\ assuming \: he \: also \: ordered : it \: would \: had \: \\ been \: 5c = 45 \\ \boxed{but \: no}\\ since \: he \: did \: not \: oder \: but \: eat \: the \: rest \: \\ of \: the \: meal \to \\ the \: equation \: is \: givn \: by \to \\ \boxed{ 5c - 5 = 45}$

4 0

3 years ago

9k - X use k = 4 and x = 6

sukhopar [10]

Answer:

Step-by-step explanation:

Use the algorithm method.

8 14

9 4

- 6

8 8

2 Therefore, 94-6=8894−6=88.

8888

6 0

3 years ago

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