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SpyIntel [72]
2 years ago
11

Pls help its not hard i need 100% on this ugh

Mathematics
2 answers:
weeeeeb [17]2 years ago
8 0
The answer is:
b= -3a/4+2
Nookie1986 [14]2 years ago
4 0
Answer. B= -3/4 a + 2
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The differenceof a minus 3 divided by 3
Vika [28.1K]

Answer:

The difference of a minus 3 divided by 3 is - 1.

Step-by-step explanation:

-3/3= - 1

Hope it's helpful.

4 0
3 years ago
The data in the table represents the volume of helium, in cubic feet, inside a balloon relative to the elapsed time in minutes.
Mila [183]

The volume of helium inside the balloon decreased at a rate of 0.1 cubic feet per minute. The linear equation that represents the given data is y = -0.1x + 6 and its slope m = -0.1.

<h3>What is the equation of a line passing through two points?</h3>

The equation of the line passing through the points (x1, y1) and (x2, y2) is

(y - y1) = m(x - x1).

Where m is the slope of the line and is calculated by

m = (y2 - y1)/(x2 - x1)

<h3>Calculation:</h3>

The given data in the table represents the volume of helium (cu ft), inside a balloon relative to the elapsed time in minutes.

x: 5, 10, 15, 20, 25, 30, 35, 40

y: 5.5, 5, 4.5, 4, 3.5, 3, 2.5, 2

From this table, consider two points (5, 5.5) and (10, 5)

So, the equation of the line is

y- y1 = m(x - x1)

Where slope m = (y2 - y1)/(x2 - x1)

⇒ m = (5 - 5.5)/(10 - 5)

⇒ m = -0.5/5

∴ m = -0.1

Thus, the equation is

y - 5.5 = -0.1(x - 5)

⇒ y - 5.5 = -0.1x + 0.5

⇒ y = -0.1x + 0.5 + 5.5

⇒ y = -0.1x + 6.0

∴ y = -0.1x + 6

Since the slope of the line is negative, the volume of the helium inside the balloon decreased at a rate of 0.1 cubic ft per minute.

So, option 2 is correct.

Learn more about the slope of a line here:

brainly.com/question/3493733

#SPJ1

3 0
1 year ago
How do you take notes in math? I am struggling on math and I don't know how to take notes in math. ASAP! Please! I know how to t
Delvig [45]

Answer:

Step-by-step explanation:

1) Calm down, your motivated and determined so you will do awesome!

2) write the date AND the chapter the notes are from

3) Write down EVERYTHING even the stuff your teacher says that you dont need to write down

4) use a highlighter or underline important info, your brain cant memorize everything!

5) draw pictures! math is all about visualization

6) if your teacher is teaching a new concept he/she will definetly give you some examples to write down, make up your own examples and solve them to go beyond

7) abbreviate, teachers talk pretty fast so you may struggle to get everything down, if you abbreviate writing will be faster, just dont forget to make a key for your abbreviations so that you dont forget!

8) ask for help!- the most effective tool in the shelf

9) go online and search up worksheets to do

10) write down in you notebook each step you need to take in order to get the answer.

11) Hope this helps! and good luck!

6 0
3 years ago
What does statement maen
Inessa [10]
A statement is something you are standing for and your sticking to it.
6 0
3 years ago
Read 2 more answers
In two months, Mica spent a total of $305.43 on groceries. She spent $213.20 in the first month. How much did she spent in the s
USPshnik [31]
Mica spent $92.23 in the second month
3 0
3 years ago
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