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
Zigmanuir [339]
3 years ago
11

A fountain on a lake sprays water in a parabolic arch modeled by the equation y= -0.3x^2 +3x. A beam of light modeled by the equ

ation -2x+5.5y=19.5 passes through the fountain to create a rainbow effect. f the beam cuts the water spray at points A and B, such that point B is higher than point A, what distance from the ground level is point A?

Mathematics
1 answer:
Nikitich [7]3 years ago
3 0

ANSWER

4.1 units to the nearest tenth.

EXPLANATION

The graph of the two functions are shown in the attachment.

The coordinates of point A is (1.6,4.1).

The coordinates of point B is (7.1,6.1)

The x-axis represents the ground level.

The distance of point A from the ground level is how far the y-coordinate of this point is from the x-axis.

Which is |4.1-0|=4.1

You might be interested in
6 first-year teachers and 4 experienced teachers attended a school staff meeting meeting. What percentage of the teachers in the
Marina CMI [18]
60%
6 first year
4 experienced
add them = 10
since six are first year u get 60%
4 0
2 years ago
Read 2 more answers
The numbers in this chart represent the weights in kilograms of five
Nitella [24]
John’s is the outlier
3 0
3 years ago
Read 2 more answers
A triangle has the measures 23° & 48°, what is the 3rd angle?​
Alina [70]

Answer:

109

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
For any positive numbers a, b, and d, with b. 1, logo(ag=
goldenfox [79]
Pretty sure it’s b BBbBBhVvbBbBBUVVVbBhHh
3 0
3 years ago
which of the following expresses the coordinates of the foci of the conic section shown below? (x-2)^2/4+(y+5)^2/9
elena55 [62]

Step-by-step explanation:

\frac{(x - 2) {}^{2} }{4}  +  \frac{(y + 5) {}^{2} }{9}  = 1

This is the equation of the ellipse. Since the denominator is greater for the y values, we have a vertical ellipse. Remember a>b, so a

The formula for the foci of the vertical ellipse is

(h,k+c) and (h,k-c).

where c is

Our center (h,k) is (2, -5)

{c}^{2}  =  {a}^{2}  -  {b}^{2}

Here a^2 is 9, b^2 is 4.

{c}^{2}  = 9 - 4

{c}^{2}  = 5

c =  \sqrt{5}

So our foci is

(2, - 5 +  \sqrt{5} )

and

(2, - 5 -  \sqrt{5} )

6 0
1 year ago
Other questions:
  • 4x2 + y2 = 36<br> Obtener dominio
    12·1 answer
  • Suppose the probability of an event occurring is P(A), and the probability of the event not occurring is P(A’). If P(A)= x and P
    11·1 answer
  • Find the GCF of each set of numbers.<br><br>12, 30, 72<br>Lesson 2 My​
    11·1 answer
  • Given the parent function f(x) = 2x, which graph shows f(x) − 1?
    5·1 answer
  • 10 x 6 - t = 56<br><br> What does t equal
    11·1 answer
  • Emily has four less than three times the number of necklaces as Maggie has. Emily has six necklaces. How many necklaces does Mag
    7·2 answers
  • What is the amount of sales tax owned in a $39 jacket if the tax rate is 5%
    14·1 answer
  • Which is equivalent to 4 radical 9^1/2x
    12·1 answer
  • Given the sequence 9,6,3,0,..., at what nth term will the number become -24?<br><br>​
    12·1 answer
  • A country collected 5.4 x 10^10 dollars in taxes during the year. If there are 2 x 10^6 people in the country, how many dollars
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!