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spayn [35]
2 years ago
11

???????????????????????????

Mathematics
1 answer:
FinnZ [79.3K]2 years ago
7 0

Answer:

y-(-20)=1(x-(-10))

Step-by-step explanation:

If you're really in college you should know this, but here's the explanation:

m= <u>-9-(-20)</u>

      1-(-10)

  = <u>11</u>

     11

m = 1

The equation is y-y^1=m(x-x^1)

Replace the y^1, m, and x^1 from the first point

You get y-(-20)=1(x-(-10))

Or simplify that into y+20=x+10

You can also simplify it more but I don't think you need that for that question

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What is f(3)??????????
AURORKA [14]
<h3><u>Explanation</u></h3>
  • Meaning of f(a)

f(a) means the value of f(x) is ... when x = a. That means if we substitute x = 3, we would get f(3).

f(3) also means the value of f(x) is ... when x = 3.

f(x) can also be defined as y // f(x) = y

  • Find f(3) by graph.

You can find the value of f(x) at specific domain from the graph by looking at x = 3 then look up to where the point or where the graph passes. From the graph, when x = 3 as we look up and the graph passes y-coordinate at 1.

Therefore we can say that when x = 3, y = 1.

<h3><u>Answer</u></h3>

f(3) = 1

8 0
2 years ago
Gina opened a bank account with $40. She plans to add $20 per week to the account and not make any withdrawals. After how many w
ZanzabumX [31]

Answer:

After 33 weeks.

Step-by-step explanation:

Let w be number of weeks.

We have been given that Gina opened a bank account with $40. She plans to add $20 per week to the account and not make any withdrawals. So the balance after w weeks will be 20w+40.

To figure out number of weeks Gina will have exactly $700 in her account, we will equate the balance after w weeks to 700.

20w+40=700

Let us subtract 40 from both sides of equation.

20w+40-40=700-40

20w=660

Upon Dividing both sides of our equation by 20 we will get,

\frac{20w}{20}=\frac{660}{20}

w=\frac{660}{20}

w=33

Therefore, after 33 weeks Gina will have exactly $700 in her account, excluding interest.

6 0
3 years ago
24x-12-43x-6 <br> Simplify.<br> Please help!! ASAP!!
sergiy2304 [10]

Answer:

-30

Step-by-step explanation:

Hope this helps! Brainliest is appriciated.

5 0
3 years ago
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A number is chosen at random from 1 to 50. Find the probability of selecting numbers greater than 15 and less than 24
Liono4ka [1.6K]

Answer:

4/25

Step-by-step explanation:

4 0
3 years ago
What is the simplified form of 3abc/abc, when abc does not equal zero? Explain using the properties of real numbers.
elixir [45]
3abc / abc 
= 3 ( abc ) / abc
= 3

because the real numbers did not have zero. the real number are starting from positive 1 to  positive infinity number.
If we suppose a = 1, b = 2, c = 3
abc / abc = 1.

I hope that i helped you :)


4 0
3 years ago
Read 2 more answers
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