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
nata0808 [166]
3 years ago
14

Need help fast.

Mathematics
1 answer:
Lisa [10]3 years ago
4 0

w represents width

4w represents length

d represents diagonal

w2 + (4w)2 = d2

w2 + 16w2 = d2

17w2 = d2

±w√17 = d

 

The diagonal is the width times √17.

You might be interested in
Please help with number 3
diamong [38]

Answer:

6/8 y=79

my id has now been sent off

7 0
3 years ago
The answer to this geometry problem
adoni [48]
128 degrees I hope this helped you
3 0
3 years ago
What is -2(x+6)+x? Simplify
andrezito [222]

Answer:

Step-by-step explanation:

-x-12

6 0
3 years ago
Find cos(2*ABC) 100POINTS
juin [17]

Answer:

-\dfrac{7}{25}

Step-by-step explanation:

<u>Trigonometric Identities</u>

\cos(A \pm B)=\cos A \cos B \mp \sin A \sin B

<u>Trigonometric ratios</u>

\sf \sin(\theta)=\dfrac{O}{H}\quad\cos(\theta)=\dfrac{A}{H}\quad\tan(\theta)=\dfrac{O}{A}

where:

  • \theta is the angle
  • O is the side opposite the angle
  • A is the side adjacent the angle
  • H is the hypotenuse (the side opposite the right angle)

Using the trig ratio formulas for cosine and sine:

  • \cos(\angle ABC)=\dfrac{3}{5}
  • \sin(\angle ABC)=\dfrac{4}{5}

Therefore, using the trig identities and ratios:

\begin{aligned}\implies \cos(2 \cdot \angle ABC) & = \cos(\angle ABC + \angle ABC)\\\\& = \cos (\angle ABC) \cos (\angle ABC) - \sin(\angle ABC) \sin (\angle ABC)\\\\& = \cos^2(\angle ABC)-\sin^2(\angle ABC)\\\\& = \left(\dfrac{3}{5}\right)^2-\left(\dfrac{4}{5}\right)^2\\\\& = \dfrac{3^2}{5^2}-\dfrac{4^2}{5^2}\\\\& = \dfrac{9}{25}-\dfrac{16}{25}\\\\& = \dfrac{9-16}{25}\\\\& = -\dfrac{7}{25} \end{aligned}

7 0
2 years ago
Read 2 more answers
Determine the y intercept (8grade
Zarrin [17]

Answer:

its 4

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Other questions:
  • Which face of the net will be the right side of the prism when the net is folded? Side C is the right side of the prism. A B C D
    10·1 answer
  • What is 987 in expanded notation as an addition expression
    7·2 answers
  • Ron's yearly income is $44,300 and has $4,400 withheld for taxes and $2,400 for personal deductions. If he gets paid biweekly, w
    6·1 answer
  • Addition of large numbers<br> 9,13,09,540+<br> 7,48,91,730+<br> 2,48,65,865
    8·1 answer
  • NEED ANSWER ASAP!!! PLEASE HELP
    9·1 answer
  • If sin x = 5/13 and x is in quadrant 1, than tan x/2 = ___<br><br> Please give an explanation!
    9·1 answer
  • Here are four false statements about the graph.
    14·1 answer
  • The weather forecast gives a 20% chance of rain tomorrow. If it is fine, the probability that Bernard will go sailing is 80%, bu
    7·1 answer
  • Given that 4^-n=32 Find the value of n
    10·1 answer
  • What is the hundreds place in 205
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!