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
arsen [322]
2 years ago
5

A regulation football field is 300 feet by 160

Mathematics
1 answer:
igomit [66]2 years ago
5 0

Answer:

366.7424164 feet

Step-by-step explanation:

330x160

Use pythag theorem

a²+b²=c²

330²+160²=c²

c=366.7424164 feet

You might be interested in
If the endpoints of the diameter of a circle are (−8, −6) and (−4, −14), what is the standard form equation of the circle?
kondaur [170]

Equation of the circle is (x+6)^{2}+(y+10)^{2}=20.

Solution:

The endpoints of the diameter of a circle are (–8, –6) and (–4, –14).

Center of the circle = Mid point of the diameter

Mid point formula:

$P(x, y)=\left(\frac{x_{1}+x_{2}}{2}, \frac{y_{1}+y_{2}}{2}\right)

Here, x_1=-8, y_1=-6, x_2=-4, y_2=-14

$P(x, y) =\left(\frac{-8-4}{2}, \frac{-6-14}{2}\right)

$P(x, y) =\left(\frac{-12}{2}, \frac{-20}{2}\right)

$P(x, y) =(-6, -10)

Center of the circle = (–6, –10)

Radius is the distance between center and any endpoint of the diameter.

To calculate the radius using distance formula.

r=\sqrt{\left(x_{2}-x_{1}\right)^{2}+\left(y_{2}-y_{1}\right)^{2}}

Here, x_1=-6, y_1=-10, x_2=-8, y_2=-6

r=\sqrt{\left(-8-(-6)\right)^{2}+\left(-6-(-10)}\right)^{2}}

r=\sqrt{(-8+6)^{2}+(-6+10)^{2}}

r=\sqrt{(-2)^{2}+(4)^{2}}

r=\sqrt{20} units

The standard form of the equation of a circle is

(x-a)^{2}+(y-b)^{2}=r^{2}, where (a, b) are center and r is the radius.

Here, center = (–6, –10) and r=\sqrt{20}

(x-(-6))^{2}+(y-(-10))^{2}={(\sqrt{20})} ^{2}

(x+6)^{2}+(y+10)^{2}=20

Equation of the circle is (x+6)^{2}+(y+10)^{2}=20.

4 0
3 years ago
I need help with this I don't understand this math
Dmitriy789 [7]

The exponential regression equation is y = 172.21(0.99)ˣ and at x = 60 minutes y = 94.22 degree Fahrenheit and at x = 240 minutes y = 15.43 degree Fahrenheit.

<h3>What is correlation?</h3>

It is defined as the relation between two variables which is a quantitative type and gives an idea about the direction of these two variables.

\rm r = \dfrac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{{[n\sum x^2- (\sum x)^2]}}\sqrt{[n\sum y^2- (\sum y)^2]}}

We have data shown in the table:

We can find the exponential regression equation using the data shown.

\rm y = ab^x

After calculating from the data:

a = 172.21 and b = 0.99

\rm y = 172.21(0.99)^x

The correlation coefficient will be:

r = -0.99

The range will be all real numbers.

The domain will be y > 0

As we can see in the graph x ∈R and y>0

After an hour,

Plug x = 60 minutes in the exponential regression equation:

\rm y = 172.21(0.99)^{60}

y = 94.22 degree Fahrenheit

After 4 hours, plug x = 240

\rm y = 172.21(0.99)^{240}

y = 15.43 degree Fahrenheit

 

Similarly, we can find any data from the exponential regression equation.

Thus, the exponential regression equation is y = 172.21(0.99)ˣ and at x = 60 minutes y = 94.22 degree Fahrenheit and at x = 240 minutes y = 15.43 degree Fahrenheit.

Learn more about the correlation here:

brainly.com/question/11705632

#SPJ1

7 0
2 years ago
I need the answers for 5 and 6 please and make sure they are accurate , thank you :)
velikii [3]

Answer:

5. 6+6i

6. -2+(6\sqrt{3})i

Step-by-step explanation:

well, u just need to calculate

7 0
3 years ago
At the store beef was $27.52 for 2 pounds. If you bought 5 pounds, how much would it cost?
anastassius [24]

Answer:

$68.8

Step-by-step explanation:

27.52/2 = 13.76

13.76 x 5 = 68.8

4 0
3 years ago
Read 2 more answers
Which property would be used to first simplify the expression 2 (x+5y+1)-4(3x-y-2)
Mariulka [41]

Answer:

Distributive

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • 153 of the 258 high school students surveyed at a local school said they went outside more during school hours as elementary sch
    11·1 answer
  • Here is my question. Please help
    10·1 answer
  • PLEASE PLEASE HELP!! WILL GIVE A BRAINLIEST IF UR RIGHT!!!
    14·1 answer
  • What value of x is in the solution set of 8x – 6 &gt; 12 + 2x?
    6·2 answers
  • Find the radius of a circle with circumference of 45.84 meters. Use 3.14
    7·2 answers
  • What is the slope of the line that passes through (5,-4) and (2,2)
    8·2 answers
  • PLEASE HELP WILL GIVE BRAINLIEST!!!
    9·1 answer
  • The figure below has a volume of 60 cubic units. How many more cubes will it take to fill the figure?
    15·1 answer
  • A certain insecticide kills 70% of all insects in laboratory experiments. A sample of 10 insects is exposed to the insecticide i
    13·1 answer
  • Solve by completing the square: x^2+18x+45=0
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!