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
o-na [289]
3 years ago
9

A scuba diver is diving at a constant rate when her

Mathematics
1 answer:
Helen [10]3 years ago
4 0

Answer:

-0.25 ; 120 seconds 72 seconds

Step-by-step explanation:

Dive rate is constant :

Change in elevation after 8 seconds :

18 feets to 20 feets below

Rate of change = distance / time

(18 - 20) feets / 8 seconds

(-2 / 8) = - 0.25 feets per second

To reach 50.feets :

She needs to cover (50 - 20) = 30 feets

Time = distance / speed ; 30 feets / 0.25 = 120 seconds

You might be interested in
Calculate the volume of a cylindrical steel bar which is 8 cm long and 3.5 cm in diameter ​
Art [367]

Answer:

76.97 cm!!

Step-by-step explanation:

The equation for this would be V=π(d/2)^2h.  So, V= π (pi) (3.5/2)^2 8, so just solve that and you get the answer above!!

6 0
3 years ago
What is the y-intercept of the line described by the equation below?
gtnhenbr [62]

Answer:

<h2>A. (0, 8)</h2>

Step-by-step explanation:

The slope-intercept form of an equation of a line:

<em>y = mx + b</em>

<em>m</em> - slope

<em>b</em> - y-intercept → (0, b)

We have the equation <em>y = 6x + 8</em>. Therefore

<em>m = 6</em>

<em>b = 8</em>

6 0
4 years ago
How would I graph 3x−y=1 ?
Levart [38]

Step-by-step explanation:

3x-y= 1

bring 3x to the right so it become negative

-y= 1 - 3x

divide by -1 for each expression

y = -1 + 3x

arrange it by bring 3x to the front side

y = 3x-1

3 0
2 years ago
George bought a broken bicycle. He repaired it and sold it for $85. This was $20 more than twice what he paid for it. What was t
bonufazy [111]
The answer is 22.50 dollars.
6 0
3 years ago
The restaurant bill was $28 after tax. If you wanted to leave a 8% tip, how much should you leave total?
raketka [301]
I think the top choice would be the correct answer.
6 0
3 years ago
Other questions:
  • In the drawing, a &gt; b. Which statement about the volumes of the two cylinders is true? Math item stem image CLEAR CHECK The v
    6·2 answers
  • The measurement, y, varies directly with regard to another value, x. If y = 9 and x = 24, find x for y = 25. 9.4 50 66.7
    15·1 answer
  • What is the volume of this figure? Show your calculations.
    11·1 answer
  • How do you solve this?<br> y= -1/3x - 2<br> y= 2x+5
    5·1 answer
  • A grocery store sells a bag of 4 oranges for $1.56. How much does one orange cost?
    5·2 answers
  • 100 points &amp; will give brainliest!
    14·2 answers
  • Whats the slope of 8x + 4y = 28
    15·1 answer
  • Simplify: −4(−2)<br><br> A. −8<br> B. −6<br> C. −2<br> D. 8
    10·2 answers
  • What is the slope of a line parallel to the line whose equation is 2. – y= -7. Fully
    9·1 answer
  • Please help me with this
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!