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
Korvikt [17]
3 years ago
10

PLEASE HELP HYPERBOLAS What is the length of the transverse axis ? (x-1)^2/25-(y+3)^2/9=1

Mathematics
1 answer:
Sav [38]3 years ago
7 0

Given equation of hyperbola is

\frac{(x-1)^{2}}{25}-\frac{(y+3)^{2}}{9}=1

Given hyperbola is the horizontal hyperbola

The standard form of the horizontal hyperbola is

\frac{(x-h)^{2}}{a^{2}}-\frac{(y-k)^{2}}{b^{2}}=1

When we compare these two equations, we get

h = 1, a = 5 , k = -3 and b = 3

Length of the transverse axis = 2a

Plug in the value of 'a' as 5

So,Length of the transverse axis = 2(5) = 10

You might be interested in
A squirrel runs across a road in 3 seconds. The road was more than 34 feet wide.
Anika [276]

Answer:

A

Step-by-step explanation:

3 x r <u>></u> 34

5 0
2 years ago
The length and breadth of a rectangular park 25m and 12m. find the distance covered by a boy who takes 4 rounds of the garderean
kodGreya [7K]

Answer:296 m

I’m assuming “breadth” is width and garderean is just the park.

(25+25+12+12) times 4.

A is never defined

5 0
1 year ago
A common inhabitant of human intestines is the bacterium Escherichia coli. A cell of this bacterium in a nutrient-broth medium d
nikitadnepr [17]

Answer:

a) k=2.08 1/hour

b) The exponential growth model can be written as:

P(t)=Ce^{kt}

c) 977,435,644 cells

d) 2.033 billions cells per hour.

e) 2.81 hours.

Step-by-step explanation:

We have a model of exponential growth.

We know that the population duplicates every 20 minutes (t=0.33).

The initial population is P(t=0)=58.

The exponential growth model can be written as:

P(t)=Ce^{kt}

For t=0, we have:

P(0)=Ce^0=C=58

If we use the duplication time, we have:

P(t+0.33)=2P(t)\\\\58e^{k(t+0.33)}=2\cdot58e^{kt}\\\\e^{0.33k}=2\\\\0.33k=ln(2)\\\\k=ln(2)/0.33=2.08

Then, we have the model as:

P(t)=58e^{2.08t}

The relative growth rate (RGR) is defined, if P is the population and t the time, as:

RGR=\dfrac{1}{P}\dfrac{dP}{dt}=k

In this case, the RGR is k=2.08 1/h.

After 8 hours, we will have:

P(8)=58e^{2.08\cdot8}=58e^{16.64}=58\cdot 16,852,338= 977,435,644

The rate of growth can be calculated as dP/dt and is:

dP/dt=58[2.08\cdot e^{2.08t}]=120.64e^2.08t=2.08P(t)

For t=8, the rate of growth is:

dP/dt(8)=2.08P(8)=2.08\cdot 977,435,644 = 2,033,066,140

(2.033 billions cells per hour).

We can calculate when the population will reach 20,000 cells as:

P(t)=20,000\\\\58e^{2.08t}=20,000\\\\e^{2.08t}=20,000/58\approx344.827\\\\2.08t=ln(344.827)\approx5.843\\\\t=5.843/2.08\approx2.81

3 0
3 years ago
On a particular day, the wind added 4 miles per hour to Alfonso's rate when he was cycling with the wind and subtracted 4 miles
Agata [3.3K]
(v+4)t=66

t=66/(v+4)

...

(v-4)t=42, using t found above in this equation gives you:

66(v-4)/(v+4)=42  perform indicated multiplication on the left side

(66v-264)/(v+4)=42  multiply both sides by (v+4)

66v-264=42v+168  add 264 to both sides

66v=42v+432  subtract 42v from both sides

24v=432  divide both sides by 24

v=18

So his normal bicycling speed with no wind is 18 mph.
5 0
3 years ago
sarah owes 22.40 for her text messaging in the month of march. If her texting message plan costs 14 dollars for the first 250 me
bogdanovich [222]
0.5 times 16 equals 8 so that’s 276 messages 0.5 to get 40 cents is 8 more so 276 messages in all I hope I did this right
7 0
3 years ago
Read 2 more answers
Other questions:
  • A new video game is expected to sell 102 copies the first hour at a local game store. After that, the sales will follow the func
    14·2 answers
  • Factor of x^3-x^2-24x-36
    12·1 answer
  • How many hours will it take to complete a 76km bike ride if you go bike ride if you go 14km per hour the whole time?
    12·1 answer
  • PQR is a right angled triangle with angle R 90 According to Pythagoras rule​
    5·1 answer
  • You work at a bike shop. A customer purchases 6 new bike tires at $6.99 each. If the customer gives you $40, how much is still o
    7·2 answers
  • Identify the center and radius for the equation x ^ 2 + (y - 3) ^ 2 = 4
    10·1 answer
  • Find the area of the circle with a circumference of 30 radius . Write your solution in terms of radius
    13·1 answer
  • Who's good at math? i need help ASAP. *don't mind the red numbers, i think they're wrong*
    14·1 answer
  • HELP PLS IN NEEDD HELP QUICK PLS 10 PTS!<br>and show reasoning pls
    8·2 answers
  • What is the range of the given data set?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!