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
Natali [406]
3 years ago
8

Which are the coordinates of the x-intercept in the equation −4x+5y=20 ?

Mathematics
1 answer:
elena-14-01-66 [18.8K]3 years ago
4 0

Answer: (-5,0)

Step-by-step explanation:

-4x + 5y = 20   the x intercept is when y is zero so input zero into the equation and solve for x.

-4x + 5(0) = 20

-4x = 20

x = -5  

You might be interested in
What is the area of this trapezoid?
babymother [125]

Answer:

20

Step-by-step explanation:

Use the equation \frac{a+b}{2}*h

Where b2 is a, b1 is b and h is h

4 0
3 years ago
Read 2 more answers
You notice a hot air balloon descending. The elevation h (in feet) of the balloon is modeled by the function h(x)=−11x+330, wher
Mars2501 [29]

Answer:

1) Please find attached, the graph of the function

The domain of the function is 0 ≤ x ≤ 30

The range of the function is 330 ≥ x ≥ 0

2) The slope of the given equation, shows that the elevation decreases, by (-)11 feet for each increase in time by one second

3) The y-intercept gives the initial elevation of the balloon at time t = 0 seconds

The x-intercept gives the final elevation of the balloon when it lands at time t = 30 seconds

Step-by-step explanation:

1) The function modelling the height of the balloon is h(x) = -11x + 330

Where;

x = The time of elevation of the balloon

The data for the graphing derived from Microsoft Excel are as follows

x    {}   h(x)

0    {}   330

5    {}   275

10    {}  220

15    {}  165

20    {}  110

25    {}  55

30    {}   0

Please find attached, the graph of the function

The domain of the function is 0 ≤ x ≤ 30

The range of the function is 330 ≥ x ≥ 0

Comparing the given function to the general equation of a straight line, y = m·x + c, we have that the slope, m = -11

2) The slope of a straight line graph gives the rate of change of the dependent variable, per unit change in the independent variable

Therefore, the slope of the given equation, -11 gives the rate of change of the function per unit increase in the independent variable x

Therefore, the elevation decreases, by (-)11 feet for each increase in time by one second

3) The y-intercept gives the initial elevation of the balloon at time t = 0 seconds

The x-intercept gives the final elevation of the balloon when it lands at time t = 30 seconds

8 0
3 years ago
Read 2 more answers
How to show the tens fact you used. write the difference. <br> 12-7=____<br> 10-___=____
prisoha [69]
The first answer is 5,but i don't know about the second one. (sorry)
3 0
3 years ago
Find the value of x. 6 8 4 x
snow_tiger [21]
Answer:

3

Explanation:

4 is half of 8 on the right side, so that means X has to be half of 6, so it’s 3. Also, it couldn’t be 2 because it is too big, and it can’t be 4 because it isn’t the same length as the other 4, so it’s 3
8 0
3 years ago
A ball is thrown from an initial height of 6 feet with an initial upward velocity of 18 fts. The ball's height h (in feet) after
liraira [26]

Answer:

gvjjggrhwu ehsi38202 wisbebwjise jwiwooq the ans is the tahat fusne jiow sjxixksbsbs dbx

7 0
3 years ago
Other questions:
  • Imagine you live only one mile from work,and you decide to walk. If you walk four miles Per your,how long will it take you to wa
    10·1 answer
  • There are 13 people on the city bus. At the first stop, four people get off and to get on. At the Second stop, six people get of
    15·2 answers
  • Part a complete the equation for the perimeter of this rectangle p=2( )+2( )
    12·1 answer
  • What is the answer to 0.5 rounded to the nearest one?
    13·1 answer
  • Does y=6x+5 represent a function? explain your answer
    10·2 answers
  • Salina spent 100 minutes finishing her homework last night. She spent 23% of her time completing her math homework. Which model
    11·2 answers
  • Please help what’s the answer
    15·2 answers
  • PLEASE HELP THIS IS DUE TODAY AND I HAVE NO IDEA WHAT THE ANSWER IS!!!!!!
    9·1 answer
  • Which methods could you use to calculate th y-coordinate of the midpoint of a vertical line segment with ndpoints at (0,0) and (
    13·1 answer
  • If p is inversely proportional to the square of q, and p is 16 when q is 11, determine p
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!