1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
AlexFokin [52]
3 years ago
7

6) (1, -2), (-20, 19) Find slope

Mathematics
2 answers:
Simora [160]3 years ago
5 0

Answer:

Slope is -1

Step-by-step explanation:

Slope equation

\frac{y_2-y_1}{x_2-x_1}

Given points

(1, -2) (-20, 19)

Sub points into equations

\frac{19-(-2)}{(-20)-1}

Solve.

\frac{21}{-21} = -1

andrey2020 [161]3 years ago
4 0
I think Ist -121.14 for sure
You might be interested in
Marty made a $220 bank deposit using $10 bills and $5 bills. She gave the teller a total of 38 bills, how many $5 bills were in
Luda [366]

ANSWER: 32 five-dollar bills

======

EXPLANATION:

Let x be number of $5 bills

Let y be number of $10 bills

Since we have total of 38 bills, we must have the sum of x and y be 38

x + y = 38 (I)

Since the total amount deposited is $220, we must have the sum of 5x and 10y be 220 (x and y are just the "number of" their respective bills, so we multiply them by their value to get the total value):

5x + 10y = 220 (II)

System of equations:

\left\{ \begin{aligned} x + y &= 38 && \text{(I)} \\ 5x + 10y &= 220 && \text{(II)} \end{aligned} \right.

Divide both sides of equation (II) by 5 so our numbers become smaller

\left\{ \begin{aligned} x + y &= 38 && \text{(I)} \\ x + 2y &= 44 && \text{(II)} \end{aligned} \right.

Rearrange (I) to solve for y so that we can substitute into (II)

\begin{aligned} x + y &= 38 && \text{(I)} \\ y &= 38 - x \end{aligned}

Substituting this into equation (II) for the y:

\begin{aligned} x + 2y &= 44 && \text{(II)} \\ x + 2(38 - x) &= 44\\ x + 76 - 2x &= 44 \\ -x &= -32 \\ x &= 32 \end{aligned}

We have 32 five-dollar bills

======

If we want to finish off the question, use y = 38 - x to figure out number of $10 bills

y = 38 - 32 = 6

32 five-dollar bills and 6 ten-dollar bills

7 0
3 years ago
A triangle has an area of 12 square millimeters. What could be the measures of the base and height of the triangle in millimeter
Harman [31]

Answer:

Step-by-step explanation:

area = ½bh = 12 mm²

bh = 24 mm²

(b,h) = (3,8) and (6,4)

7 0
3 years ago
Does anyone know the answer???
shepuryov [24]

Answer:

D,1

Step-by-step explanation:

In the attached file

7 0
3 years ago
Plz help ASAP WILL MARK BRAINLIEST!!
AleksAgata [21]

Answer:

B

Step-by-step explanation:

It is B because every number, x, you plug in 5x-3, it is y.

6 0
3 years ago
Read 2 more answers
Simplify: 8.2c−0.9+(5.4−18d+7.2c)÷0.06
maxonik [38]
8.2c−0.9+(5.4−18d+7.2c)÷0.06   Distribute:<span>  =<span><span><span><span><span><span><span>8.2c</span>+</span>−0.9</span>+<span>120c</span></span>+</span>−<span>300d</span></span>+<span>90

</span></span></span>   <span>=<span><span><span>(<span><span>8.2c</span>+<span>120c</span></span>)</span>+<span>(<span>−<span>300d</span></span>)</span></span>+<span>(<span><span>−0.9</span>+90</span>)</span></span></span><span>   =<span><span><span>128.2c</span>+<span>−<span>300d</span></span></span>+89.1</span></span> Answer:<span>=<span><span><span>128.2c</span>−<span>300d</span></span>+<span>89.1</span></span></span>

5 0
3 years ago
Other questions:
  • A pattern is made by toothpick squares. Select the series that represents the number of toothpicks added to a picture to get the
    15·1 answer
  • Omar drew a number line that went from -10 to 10 and used it to compare integers. Which statement is true?
    6·1 answer
  • A number is 2 hundreds more than 355, what is the number?
    10·1 answer
  • If x +37+78 what is x
    13·1 answer
  • Can someone please tell me the ans of question no. 5, 7 and 12
    5·1 answer
  • I want only question number 3
    11·1 answer
  • Which statement is true about the equation fraction 3 over 4z = fraction 1 over 4z − 3 + 5?
    13·2 answers
  • Jasmine bought 6.4 pounds of chewy candy from the local confectionary store. If she gave 2.06 pounds of the candy to her little
    5·1 answer
  • Rashard is a running back on his football team. He rushed for 418 yards in
    12·1 answer
  • If i run a 5.31 second in 40 meter what would i run in a 40 yard dash
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!