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
Rudiy27
3 years ago
9

Pls help meh dghhhhhhhhhhhhjgfgfj

Mathematics
2 answers:
Stells [14]3 years ago
8 0

Answer:

82.8 square feet must be the answer

Step-by-step explanation:

yep,I think so

Verizon [17]3 years ago
4 0

Answer:

me belive its 920 srry if wrong :)

Step-by-step explanation:

You might be interested in
Can anyone help me expand this please?
White raven [17]
Any explain this to me a little bit morebetter
7 0
3 years ago
Find a unit vector that has the same direction as the given vector. 8i ? j + 4k
e-lub [12.9K]

Answer with Step-by-step explanation:

a.Let given vector

a=8i-j+4k

\mid a\mid=\sqrt{(8)^2+(-1)^2+(4)^2}=9

By using the formula

Magnitude of a vector=\sqrt{x^2+y^2+z^2}

Where x=Coefficient of i

y=Coefficient of j

z=Coefficient of k

Unit vector=\hat{a}=\frac{a}{\mid a\mid}

By using the formula

The unit vector=\hat{a}=\frac{8i-j+4k}{9}=\frac{8}{9}i-\frac{1}{9}j+\frac{4}{9}k

b.Let vector b=-2i+4j+2k

\mid b\mid=\sqrt{(-2)^2+4^2+2^2}=2\sqrt 6

\hat{b}=\frac{-2i+4j+2k}{2\sqrt 6}

Length of vector=6

Therefore, the vector in the direction of <-2,4,2> with length 6 is given by =6\hat{b}=6\times \frac{-2i+4j+2k}{2\sqrt 6}

The vector in the direction of <-2,4,2> with length 6 is given by =-\sqrt 6(-i+2j+k)

c.\theta=\frac{\pi}{3}

\mid v\mid=8

Let v=v_x i+v_y j

v_x=\mid v\mid cos\theta

v_x=8cos\frac{\pi}{3}=8\times \frac{1}{2}=4

cos\frac{\pi}{3}=\frac{1}{2}

v_y=\mid v\mid sin\theta

v_y=8\times sin\frac{\pi}{3}=8\times \frac{\sqrt 3}{2}=4\sqrt 3

sin\frac{\pi}{3}=\frac{\sqrt 3}{2}

Therefore, the vector v in component form=4i+4\sqrt 3j

7 0
3 years ago
The polynomial x3 + 4x2 – 9x – 36 has 4 terms. Use factoring by grouping to find the correct factorization.
Ulleksa [173]

Answer:

the answer is (D)

Step-by-step explanation:

D-(x2 – 9)(x + 4)

3 0
3 years ago
Read 2 more answers
Max points :)) 33 please help no explanation needed..
Xelga [282]
5(2y-4) - 3y = 1. 10y-20-3y=1. 7y-20=1. 7y=21. y =3. x = 2(3)-4. x = 2. x*y =6.
3 0
4 years ago
Read 2 more answers
Solve each system by elimination.
Lerok [7]
X=6/3=2 is the answer
3 0
3 years ago
Read 2 more answers
Other questions:
  • Are a rational expression and its simplified forms equivalent? Provide mathematical examples to support your opinions.
    13·1 answer
  • What is the length of the segment whose endpoints are A(4, –3) and B(10, 6)?
    13·1 answer
  • a probability experiment consists of rolling a fair 8-sided die. Find the probability of the event below. rolling a 4
    13·1 answer
  • 1. A group of teens in your town meet and agree to charge a flat fee of five dollars per hour for babysitting. They charge the s
    15·2 answers
  • Which of the following is a composite number?<br> OA) 23<br> OB) 11<br> OC) 25<br> OD) 19
    5·1 answer
  • Which expression is equivalent to d-6d-3dd−6d−3d?
    14·1 answer
  • Help me plz. I don’t really understand this.
    5·1 answer
  • In the diagram below of triangle TUV, W is a midpoint of TU and X is a midpoint
    8·2 answers
  • Mario was on his way to work and had driven 28 miles which is 2/5 of the distance from his home to his job. How far from home is
    9·1 answer
  • Brainliest if its right
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!