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
Alisiya [41]
3 years ago
14

If 3/10 was spent warming up and cooling down how many minutes was it

Mathematics
1 answer:
777dan777 [17]3 years ago
4 0
18 minutes
3/10=18/60
60 represents the hour
18 represents time spent warming up and cooling down.
You might be interested in
Find the values of A & B so that x^4+x^3+ax+b is divisible by x^2+1
DaniilM [7]

Answer:

a = 1 b = -1.

Step-by-step explanation:

Suppose the quotient when you divide x^4+x^3+ax+b  by x^2 + 1 is

x^2 + ax + b then expanding we have:

(x^2 + 1)(x^2 + ax + b)

= x^4 + ax^3 + bx^2 + x^2 + ax + b

= x^4 + ax^3 + (b + 1)x^2 + ax + b Comparing this with the original expression:

  x^4 +  x^3  + 0 x^2       + ax + b  Comparing coefficients:

a = 1 and b+ 1 = 0 so b = -1.

6 0
3 years ago
Solve the systems of equation by graphing (Picture provided)
padilas [110]

Answer:

The option d

Step-by-step explanation:

find the intersection with x and y

https://tex.z-dn.net/?f=x%3D0%0A

https://tex.z-dn.net/?f=0%2By%3D-9%20%5Clongrightarrow%20y%3D-9%0A

and https://tex.z-dn.net/?f=y%3D0%0A

https://tex.z-dn.net/?f=x%2B0%3D-9

we get the coordinates

https://tex.z-dn.net/?f=(0%2C-9)%2C%20(-9%2C0)

and the same process for another equation

https://tex.z-dn.net/?f=4*(0)%2By%3D-19%20%5Clongrightarrow%20y%3D-19%5C%5C%0A4*x%2B0%3D-19%20%5Clongrightarrow%20x%3D%5Cfrac%7B-19%7D%7B4%7D%20%5C%5C%5C%5C%0A(0%2C-19)%2C%20(%5Cfrac%7B-19%7D%7B4%7D%2C0)%20

and these coordinates are those expressed in the d graph

3 0
3 years ago
Posted this question 1000times. Plz some answer plz plz i beg. Plz show all working, thank you sir
Novosadov [1.4K]

Answer:

\approx 26.16\:\mathrm{m}

Step-by-step explanation:

Let h be the height of the tree. In reference to the tree and bird, a right triangle is formed. We can write the following trig function for that right triangle:

\tan28^{\circ}=\frac{h}{15},\\h=15\tan28^{\circ},\\h\approx 7.98\:\mathrm{m}.

Now we can use this to find the hypotenuse of this triangle (the distance between the cat and the bird):

Let the distance between the cat and bird be k. Then,

7.98^2+15^2=k^2,\\k\approx 16.99\:\mathrm{m}. This is one side of the triangle that is formed by the cat, bird, and mouse.

The right triangle formed by the tree, cat, and mouse shares the height h with the other right triangle, as we found earlier. Let l represent the hypotenuse of this triangle or the distance between the cat and mouse. We then have the following trig function:

\sin 40^{\circ}=\frac{7.98}{l},\\l=\frac{7.98}{\sin40^{\circ}}\approx 12.41\:\mathrm{m}. This is another side of the triangle that is formed by the cat, bird, and mouse.

The triangle that is formed by the cat, bird, and mouse has shares an angle of 125^{\circ} with the base of the auxiliary pyramid. The other angles, however, are not shared.

Since we have two sides and the angle between these two sides, we can use the Law of Cosines to find the other side (the distance between the mouse and bird). The Law of Cosines is given by:

m^2=k^2+l^2-2kl\cos M, where m is the distance between the bird and the mouse and the other variables are defined above.

Plugging in values, we get:

m^2=16.99^2+12.41^2-2\cdot16.99\cdot12.41\cdot\cos 125^{\circ}

Solving, we get:

m\approx \fbox{$26.16\:\mathrm{m}$}.

5 0
3 years ago
**For this question: you just have to come up w/ an equation.
QveST [7]
There's two actually.
0.25q + 0.10d = 3.85
q + d = 25
5 0
3 years ago
Should i buy airpods pro or apple watch series 3 give three pros and cons each PLEASE I NEED HELP
kobusy [5.1K]

Answer: JUST DO IT!

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • A helicopter flies between two islands that are 20 miles apart. The angle of elevation with one island is 15o and 35o with the s
    13·1 answer
  • Help me please! which bisects the chord?
    6·1 answer
  • The big dog weighs 5 times as much as the little dog. The little dog weighs 2 3 as much as the medium-sized dog. The medium-size
    5·1 answer
  • Please help lots of points
    6·2 answers
  • 3x -7= -5(x+3); x= -1​
    5·1 answer
  • Can you pllllsssssss help meeeeee
    6·1 answer
  • Answer this for me please gotta hurry!! 4x10^-2
    6·2 answers
  • A medical researcher designs a drug to treat high blood pressure. She believes that people of different genders may respond diff
    14·1 answer
  • Write an recursive formula for An, the nth term of the sequence<br> 5, -2, -9,
    14·1 answer
  • What is the inverse of f(x)=(-2x+2)/(x+7)?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!