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ser-zykov [4K]
3 years ago
7

4 QUESTIONS FOR 50 POINTS!!!!!! PLEASE HELP!!

Mathematics
1 answer:
melisa1 [442]3 years ago
6 0

The graph<span> of an </span>inequality in two variables<span> is the set of points that represents all solutions to the </span>inequality<span>.
 
A </span>linear inequality<span> divides the coordinate plane into </span>two <span>halves by a boundary line where one half represents the solutions of the </span>inequality. The boundary line is dashed for > and < and solid for ≤ and ≥.<span>A way to solve a linear system algebraically is to use the substitution method. 

</span>The graphs of equations<span> within a </span>system<span> can </span>tell<span> us how </span>many solutions<span> exist for </span>Infinite Solutions<span>. </span>If <span>the graphs of the </span>equations<span> intersect, then there is </span>one solution<span> that is true for  Looking at the graph does </span>not tell<span> us exactly where that point is, but we don't So a </span>system<span> made of two intersecting lines </span>has one solution.
Two equations that have the same solution are called equivalent<span> equations e.g. The addition </span>property<span> of equality tells us that adding the same number to. We can also </span>use<span> this example with the pieces of wood to explain the </span><span>are </span>equal<span> as well.</span>


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What is 30% of 150 and how did you get that answer
IgorLugansk [536]

The easiest way to find percentages of numbers is to change the percentage to a decimal and multiply it by the number.

30%=0.3

150*0.3=45

30% of 150 is 45.

I hope this helps :)

4 0
3 years ago
Read 2 more answers
Show answer in lowest terms. 3 1 /4 - 1 3/16=
SpyIntel [72]
3 - 1 = 2
1/4 - 3/16 = 4/16 - 3/16 = 1/16

answer is : 2 1/16 (in mixed number) or 33/16 (in improper fraction)
4 0
3 years ago
Write a declaration for a variable rate_of_pay that can hold values like 11.50 or 12.75.
hichkok12 [17]

Float rate_of_pay  a declaration for a variable rate_of_pay that can hold values like 11.50 or 12.75.

What is   float rate_of_pay?

  • In contrast to fixed (or unchangeable) interest rates, floating interest rates change on a regular basis. Companies that offer credit cards and mortgages frequently use floating rates.
  • Floating rates follow the market, a benchmark interest rate, an index, or both.

Is a fixed or floating rate preferable?

  • In a rising rate environment, banks offer fixed rate loans at a higher rate than variable rate loans in order to profit more from the latter when rates rise.
  • Fixed rate loans may have interest rates that are 300–350 basis points higher than floating rate loans.

float rate_of_pay

rate_of_pay = 11.50, 12.75;

Learn more about Float rate_of_pay

brainly.com/question/14128610

#SPJ4

7 0
2 years ago
Brainiest asap! please help me :)<br><br> there's 2 separate questions..
Ulleksa [173]

Answer:

1.) FI, AD, FA, DI. (Neither of them are parallel or right angles.)

2.) 95 (Same angle just upside down so it'd be the same size.)

7 0
4 years ago
A game is played using ne die. If the die is rolled and shows 3, the player wins $45. If the die shows any number other than 3,
I am Lyosha [343]

Answer:

-$13.5

Step-by-step explanation:

Let x be a random variable of a count of player gain.

- We are told that if the die shows 3, the player wins $45.

- there is a charge of $9 to play the game

If he wins, he gains; 45 - 9 = $36

If he looses, he has a net gain which is a loss = -$9

Thus, the x-values are; (36, -9)

Probability of getting a 3 which is a win is P(X) = 1/6 since there are 6 numbers on the dice and probability of getting any other number is P(X) = 5/6

Thus;

E(X) = Σ(x•P(X)) = (1/6)(36) + (5/6)(-9)

E(X) = (1/6)(36 - (5 × 9))

E(X) = (1/6)(36 - 45)

E(X) = -9/6 = -3/2

E(X) = -3/2

This represents -3/2 of $9 = -(3/2) × 9 = - 27/2 = -$13.5

3 0
3 years ago
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