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Nat2105 [25]
3 years ago
15

What is the square root of -15

Mathematics
2 answers:
motikmotik3 years ago
7 0
The square root of -15 is 3.87298335
aliya0001 [1]3 years ago
3 0

Answer:

you cannot do a square root of a negative number so there is no answer.

Step-by-step explanation:


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Q1. An airplane flies with a constant speed of 600 miles per hour. How far can it travel in 3 1/2 hours?
Dahasolnce [82]

Answer:

Q1. 1050 miles

Q2. 1h 30m

Step-by-step explanation:

Q1. 1h = 300 miles

3\frac{1}{2}h = 3.5 × 300 miles

     = 1050 miles

Q2. 68km = 1h

102km = \frac{102}{68} × 1h

           = 1.5h

           = 1h 30m

5 0
3 years ago
Ecuaciones lineales , El valor de x , x+7 = 2 necesito saber el reasultado de este ejercicio.​
Ratling [72]

Answer:

x = -5

Step-by-step explanation:

x+7=2

-7 | -7 -7 from both sides

x= -5

3 0
3 years ago
Prove that sin(x)/1-cos(x) = 2 · csc(x) using trigonometric identities. Show all steps taken.
Gwar [14]

Answer:

Step-by-step explanation:

sin(x) + tan(x)=sin(X) + sin(x)/cos(x)

=sinx(1+1/cosx)

=sinx(1+secx)

=1+secx/cosecx. (Since sinx=1/cosecx)

Hence LHS=RHS proved

7 0
3 years ago
What is the surface area of 120 x 110 x 4
Rina8888 [55]

surface area is the area of all the faces on a shape so to speak.

2(120 x 110)=26,400

2(120 x 4)=960

2(110 x 4)=880

880+960+26,400=28,240

Surface area = 28,240

5 0
3 years ago
How do i subtract integers/ what are the rules? <br><br> ex. -5 - -12
Anastasy [175]

Answer:

you keep flip change so the minus becomes addition and -12 becomes positive 12 so it turns out as -5+12 which is 7

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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