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KatRina [158]
2 years ago
9

Help im markin brainlest for who is right

Mathematics
1 answer:
nirvana33 [79]2 years ago
5 0
What’s the question??
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It says use cofunction but still i didnt understand
torisob [31]

Answer:

-\frac{\pi }{22\\}

Step-by-step explanation:

\frac{5\pi }{11}-pi/2

5 0
3 years ago
A delivery truck drove 39 miles per hour. it took 3 hours to travel between two towns. what is the distance between the two​ tow
lesya692 [45]
I could be wrong but this is what I think.

D=RT
D=39 (3)
D=117
8 0
3 years ago
Plz solve the 7th question immediately ....Help me......
Lynna [10]

Answer:

The value of x is 8cm. The length of 3 sides are 8cm, 15cm and 17cm.

Step-by-step explanation:

Using Pythagoras' Theorem, a²+b² = c² :

Let a be x cm,

Let b be x+7 cm,

Let c be 2x+1 cm

x² + (x+7)² = (2x+1)²

x² + x² + 14x + 49 = 4x² + 4x + 1

2x² + 14x + 49 = 4x² + 4x + 1

Then, move all the variables to one side and solve it to find the value of x :

4x² + 4x + 1 - 2x² - 14x - 49 = 0

2x² - 10x - 48 = 0

2(x² - 5x - 24) = 0

x² - 5x - 24 = 0

(x-8)(x+3) = 0

x - 8 = 0

x = 8 cm

x + 3 = 0

x = -3 cm (rejected)

Substitute the x value into the length of a,b and c :

a = x

= 8 cm

b = x + 7

= 8 + 7

= 15 cm

c = 2x + 1

= 2(8) + 1

= 16 + 1

= 17 cm

3 0
3 years ago
Help me this is due today pls help please make sure the answer is correct
Annette [7]

Answer:

12*365 = 4380

4380 miles

Step-by-step explanation:

3 0
3 years ago
Please help I’m lost it has to be 3 or 2 or more answers by the way and I will except answers from Expert, Ace, or Genius or any
deff fn [24]
The correct answer is only A, because you need the tenths place to be greater than the number on the left, and not just the hundredths place.

P.S. Even though I'm a beginner, I took Multi-Variable calculus in 12th grade.
P.P.S. STOP PUTTING ON RANDOM ANSWERS ON QUESTIONS JUST SO YOU CAN GET THE POINTS!!!!!! 
4 0
2 years ago
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