2 years ago

What is the square root of -15

Mathematics

2 answers:

motikmotik2 years ago

7 0

The square root of -15 is 3.87298335

aliya0001 [1]2 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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Taylor ran 2 1/4 miles and walked 2 4/5 miles. How far did she run and walk

irinina [24]

Okay. So, we should convert fractions to the least common denominator, which is 20. That would be 2 5/20 and 2 16/20. Add both of those numbers up to get 5 1/20. Taylor ran and walked 5 1/20 miles.

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2 years ago

Brett and Max are diving. Brett is 34 feet below the surface and Max is 25 feet below the surface. How many feet above Brett isM

saveliy_v [14]

Answer:

Max is 9 ft above Brett

Step-by-step explanation:

Brett is 34 feet below the surface = -34

Max is 25 feet below the surface = -25

Subtract the heights

-25 - -34

-25 +34

Max is 9 ft above Brett

6 0

2 years ago

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3. What are the coordinates of the points of tangency of the two tangent lines through the point (1,1) each tangent to the circl

VashaNatasha [74]

Answer: $y+x=2$

Step-by-step explanation:

Given

equation of circle $x^2+y^2=1$

Equation of tangent passing through (1,1)

Slope of tangent is given by differentiating equation of circle

$2x+2y\frac{\mathrm{d} y}{\mathrm{d} x}=0$

$\frac{\mathrm{d} y}{\mathrm{d} x}=\frac{-x}{y}$

at $(x,y)=(1,1)$

$\frac{\mathrm{d} y}{\mathrm{d} x}=\frac{-1}{1}$

Equation of line with slope

$m=\frac{y-y_0}{x-x_0}$

$-1=\frac{y-1}{x-1}$

$y+x=2$

7 0

2 years ago

Help me please!!!!!!!!!

Delvig [45]

The answer is 200 $\pi$

3 0

3 years ago

Fill in the blank with the correct response.<br><br> Twenty-one is 20% of

Lana71 [14]

Answer: 105

Step-by-step explanation:

105 * .2 = 21 :)

5 0

1 year ago