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
Greeley [361]
3 years ago
14

Can someone help me with these problems? Please!

Mathematics
1 answer:
masya89 [10]3 years ago
3 0

Step-by-step explanation:

2) Slope can be written as rise over run:

  • rise: add to the y-value
  • run: add to the x-value

a) Slope=-1\ over\ 1\quad \rightarrow \quad (11 + 1, -8 - 1)\implies (12, -9)\\b) Slope=7\ over\ 2\quad \rightarrow \quad (2+2,2+7)\implies (4, 9)\\c) Slope=9\ over\ 4\quad \rightarrow \quad (-5+4,-2+9)\implies (-1, 7)

3) Slope formula is: \dfrac{y_2-y_1}{x_2-x_1}

slope=\dfrac{15-3}{5-1}=\dfrac{12}{4}=\boxed{3}

4) Average rate of change is the slope of the given interval:

a) when x = 0, y = 0 and when x = 1, y = -3

   Slope=\dfrac{-3-0}{1-0}=\dfrac{-3}{1}=-3

b) when x = -2, y = 0 and when x = -1, y = 3

   Slope=\dfrac{3-0}{-1+2}=\dfrac{3}{1}=3

c) when x = 0, y = 0 and when x = 2, y = 0

   Slope=\dfrac{0-0}{2-0}=\dfrac{0}{2}=0

You might be interested in
Order the fractions from least to greatest:
AveGali [126]

Answer:

2/3, 5/6, 2/9, 11/18

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Perform the following calculations without rewriting the numbers in decimal form.
Bingel [31]

Answer:

After multiplication number will be 3.408\times \times 10^{28}

Step-by-step explanation:

We have given numbers which has to multiply using scientific notation

That are 1.42\times 10^{15}\times 2.4\times 10^{13}

We have to multiply the above number using scientific notation

We know that when two number are multiplied then there exponent power is being added

So when we multiply  1.42\times 10^{15}\times 2.4\times 10^{13}  there power will be added and after multiplication number will be 3.408\times \times 10^{28}

6 0
3 years ago
8.3 repeating as a fraction
Margarita [4]
8.333333  

let x=8.33333 and 10x=83.33333

10x-x=83.333-8.333

9x=75

x=75/9

x=25/3

x=8 1/3

Now if you meant:

8.383838 then

100x-x=838.3838-8.3838

99x=830

x=830/99
7 0
3 years ago
Which measurement could be a surface area measure?<br><br> 24 km2<br> 18 m3<br> 63 oz.<br> 12 mm
nalin [4]
24 km^2  
The other measurements are 3d, liquids, or 1d
km^2 is the only one that is 2d
5 0
3 years ago
Suhana studies in a government school. The strength of the school is 12000, out of which 40% are girls. In her class there are 5
Dmitry_Shevchenko [17]
Q1: 60%
Q2: 3:2
Q3: 450
Q4: 0.2
Q5: 60%
Q6: Rs.120
7 0
2 years ago
Other questions:
  • What is the length of side TS?
    9·2 answers
  • You can buy 5 cans for green beans at the village market for $2.80. You can buy 10 of the same cans of beans at Sam's club for $
    12·2 answers
  • Given the table of candy distributions below, find P(Not orange), the probability of selecting anything but an orange candy at r
    14·2 answers
  • How many different ways can 5 students line up in a cafteria
    15·1 answer
  • Charlotte owns two entertainment websites. Here are some details about those websites for one entire month:
    7·2 answers
  • Please help will give brainliest it’s for a test<br><br> Round 29.20 to 30 <br> Show work please
    11·1 answer
  • What is the equation of the line that has a slope of 4?
    8·1 answer
  • Can someone help me?
    14·1 answer
  • 1. Find the angle for insurance and taxes
    13·1 answer
  • Which inequality represents all the solutions of<br> 9(4x-8) &lt; 4(6x + 9)?
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!