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saw5 [17]
2 years ago
9

Plssss helllppppp:)))

Mathematics
1 answer:
solniwko [45]2 years ago
7 0

Answer:

11.1 units

Step-by-step explanation:

In a right triangle    sin (angle ) = opposite side / hpotenuse

 for this one

  sin 38 = EF/18  

then    18 sin 38 = EF     then calculator shows   EF = 11.1

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Can anyone help? i rlly need help !
JulsSmile [24]
They cross each other at (5,2)
8 0
3 years ago
Read 2 more answers
Please help and show your work​
BabaBlast [244]
Marcus shoes: 35.99(5.5%)= (about) $1.98(tax) so 35.99+1.98= 37.97

Tia shoes: 39.99(9%)= (about)3.60 (tax) so 39.99+3.60=43.59

However it’s 15% off so 43.59(15%)= 6.54 so 43.59-6.54= 37.05

The difference is 0.92
6 0
4 years ago
I need help with this problem, if anyone could help ASAP, that would be much appreciated. In the figure below, mROP = 125° Find
VARVARA [1.3K]

Answer:

mRP = 125°

mQS = 125°

mPQR = 235°

mRPQ = 305°

Step-by-step explanation:

Given that

  • mROP = 125°
  • ∠ROP is a central angle

Then:

  • measure of arc RP, mRP = mROP = 125°

Given that

  • ∠QOS and ∠ROP are vertical angles

Then:

  • mQOS = mROP = 125°
  • measure of arc QS, mQS = mROP = 125°

Given that

  • ∠QOR and ∠SOP are vertical angles

Then:

  • mQOR = mSOP

Given that

  • The addition of all central angles of a circle is 360°

Then:

mQOS + mROP + mQOR + mSOP = 360°

250° + 2mQOR = 360°

mQOR = (360°- 250°)/2

mQOR = mSOP = 55°

And (QOR and SOP are central angles):

  • measure of arc QR, mQR = mQOR = 55°
  • measure of arc SP, mSP = mSOP = 55°

Finally:

measure of arc PQR, mPQR = mQOR + mSOP + mQOS = 55° + 55° + 125° = 235°

measure of arc RPQ, mRPQ = mROP + mSOP + mQOS = 125° + 55° + 125° = 305°

6 0
3 years ago
Provide steps please
KengaRu [80]

Answer:

5 cm

Step-by-step explanation:

The volume (V) of a cuboid is calculated as

V = lbh ( l is length, b is breadth and h is height )

Here l = 20, h = 12, V = 1200 and b is to be found, thus

20 × b × 12 = 1200, that is

240b = 1200 ( divide both sides by 240 )

b = 5

7 0
3 years ago
You panit 1/3 of a wall in 1/4 hour at that rate how long will it take you to paint one wall
kodGreya [7K]

Answer:

3/4 hour or 45 minutes

It will take 0.75 hours or 45 minutes or 2700 seconds to paint one wall according to the rate we're given.

:)

7 0
3 years ago
Read 2 more answers
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