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Lady bird [3.3K]
2 years ago
13

Find the slope, if it exists, of the line containing the pair of points. (8,3) and (9,-8)

Mathematics
2 answers:
AlladinOne [14]2 years ago
5 0

Answer: slopeis -11

Step-by-step explanation:

scoundrel [369]2 years ago
3 0

Answer: M= slope

M= -11

Step-by-step explanation:

M= the change in y over change in x so you would do 3 - (-8) over 8-9 which would give you 11 over -1 so you would get -11 from dividing 11 by -1.

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Connor has a collection of dimes and quarters with a total value of $6.30. The number of dimes is 14 more than the number of qua
Anarel [89]

Connor has 14 quarters and 28 dimes.

Step-by-step explanation:

Given,

Worth of coins = $6.30 = 6.30*100 = 630 cents

We know that,

1 quarter = 25 cents

1 dime = 10 cents

Let,

Quarter = x

Dime = y

According to given statement;

25x+10y=630    Eqn 1

The number of dimes is 14 more than the number of quarters

y = x+14    Eqn 2

Putting value of y from Eqn 2 in Eqn 1

25x+10(x+14)=630\\25x+10x+140=630\\35x=630-140\\35x=490

Dividing both sides by 35

\frac{35x}{35}=\frac{490}{35}\\x=14

Putting x=14 in Eqn 2

y=14+14\\y=28

Connor has 14 quarters and 28 dimes.

Keywords: linear equation, substitution method

Learn more about substitution method at:

  • brainly.com/question/4354581
  • brainly.com/question/4361464

#LearnwithBrainly

4 0
3 years ago
What is the solution to the following system of linear equations?
Lostsunrise [7]
<span> x − 2y = −1 => x = 2y -1

2x + y = −12
2(2y - 1) + y = -12
4y - 2 + y = -12
5y = -10
y = -2
x = 2</span>·(-2) - 1
x = -4 - 1
x = -5

Answer <span>D (-5,-2)</span>
8 0
3 years ago
Find the GCF of the numbers 45 and 76 using lists<br> of factors.
Marina86 [1]

Answer:

The factors of 45 are: 1, 3, 5, 9, 15, 45

The factors of 76 are: 1, 2, 4, 19, 38, 76

Then the greatest common factor is 1.

Step-by-step explanation:

There are no common factors other than 1

5 0
2 years ago
Place a set of parentheses in the expression so that its value is 33. 48-5+2x3+6
Xelga [282]
The parentheses must be placed here <span>48 - (5 + 2) * 3 + 6 in order for the equation to equal 33. </span>

4 0
3 years ago
Match the key features of functions terms to their corresponding definitions.
kenny6666 [7]

The key features of the above given functions are correctly matched to their corresponding definition.

<h3>Definition of terms</h3>

  • Negative sections of the graph: They are the parts where the graph is below the x-axis. That is option C.

  • End behaviour: This is what happens to the graph on the far left or far right. That is option E.

  • Positive sections of the graph: This is the parts where the graph is above the x-axis. That is option D.

  • Intercepts: This is the points where the graph crosses an axis. That is option B

  • Relative extrema: This is the points of relative minimum or maximum in a graph. That is option A.

Learn more about graphs here:

brainly.com/question/25799000

#SPJ1

6 0
1 year ago
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