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
Julli [10]
2 years ago
13

Please help me with these thanks!! :)

Mathematics
1 answer:
solniwko [45]2 years ago
8 0

Answer:

this one is rational and real :)

You might be interested in
Simplify the expression by using a double-angle formula. 2 sin 31°cos 31°
qwelly [4]

The double angle formula for the sine is

\sin(2x) = 2\sin(x)\cos(x)

The right hand side is exactly your expression, where x = 31^\circ

So, rewriting the expression from right to left, we have

2\sin(31^\circ)\cos(31^\circ) = \sin(2\cdot 31^\circ) = \sin(61^\circ)

6 0
3 years ago
Plz help me Find LM.
Sunny_sXe [5.5K]
We can find out what LM is based on the fact that the bases of the 2 triangles are the same, this would also mean that the hypotenuse sides of the triangles should also be the same as well. Thus the sides of LM should also equal the sides of MN.

Another way, is to assume that the triangles are right angle ones, and use Pythagorean theorem to solve for the height and use that to solve for the hypotenuse.






















8 0
3 years ago
Mrs. Thompson wants to buy centerpieces to use at a party. It will cost $49 to have the centerpieces delivered plus $0.89 per ce
dalvyx [7]

Answer:

49+0.89c

Step-by-step explanation:

This should be the answer good luck :)

8 0
3 years ago
16. Let W be the set of all vectors in R3 of the form a+2b b -3a Find a basis for Wand state the dimension of W.
Yuki888 [10]

Answer:

W=\{\left[\begin{array}{ccc}a+2b\\b\\-3a\end{array}\right]: a,b\in\mathbb{R} \}

Observe that if the vector x=\left[\begin{array}{ccc}x\\y\\z\end{array}\right] is in W then it satisfies:

\left[\begin{array}{ccc}x\\y\\z\end{array}\right]=\left[\begin{array}{c}a+2b\\b\\-3a\end{array}\right]=a\left[\begin{array}{c}1\\0\\-3\end{array}\right]+b\left[\begin{array}{c}2\\1\\0\end{array}\right]

This means that each vector in W can be expressed as a linear combination of the vectors \left[\begin{array}{c}1\\0\\-3\end{array}\right], \left[\begin{array}{c}2\\1\\0\end{array}\right]

Also we can see that those vectors are linear independent. Then the set

\{\left[\begin{array}{c}1\\0\\-3\end{array}\right], \left[\begin{array}{c}2\\1\\0\end{array}\right]\} is a basis for W and the dimension of W is 2.

7 0
3 years ago
Answerrrrrrrr plsssssss
mars1129 [50]

Answer:

s=x/3+10/3

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Other questions:
  • Answer number 15 plz!. Plz do this ASAP!!!!!!!!!
    15·2 answers
  • (SHOW YOUR WORK PLZ AND EXPLAIN)
    11·2 answers
  • Pls help i give brainliest ​
    9·2 answers
  • Johnny bought 6 movie tickets and spent $54, of the tickets he bought 3/6 were children's tickets that cost $8 each. The other t
    14·2 answers
  • You spin a spinner and flip a coin. Find the probability of the compound event.
    15·2 answers
  • Emily sold 117 boxes of cookies for a fundraiser. If she sold 60% of the total number of boxes sold for the fundraiser, how many
    14·1 answer
  • What is the length of the hypotenuse of the following triangle to the nearest whole number?
    9·1 answer
  • I'll give brainliest if correct
    6·1 answer
  • What is 6 divided by 0.6
    7·1 answer
  • guys honestly my day hasnt been that good but anyway here your daily free pints, hope you guys are having a good day keep your h
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!