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2 years ago

This is an angle whose measure is exactly 90°

Mathematics

1 answer:

KatRina [158]2 years ago

8 0

Answer:

A right triangle?

Step-by-step explanation:

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Standard equation an each circle

professor190 [17]

Answer:

Incorrect

Step-by-step explanation:

Juanita is incorrect because she shouldn't be using 2 squared.

3 0

2 years ago

Find the missing exponent. Set up an equation and solve. : x^4·x^n = x^5

Assoli18 [71]

$Use\ a^n\cdot a^m=a^{n+m}\\\\x^4\cdot x^n=x^5\\\\x^{4+n}=x^5\iff4+n=5\ \ \ |subtract\ 4\ from\ both\ sides\\\\\boxed{n=1}$

7 0

2 years ago

The gravitational force exerted by the planet Earth on a unit mass at a distance r from the center of the planet is:

jolli1 [7]

Answer:

Yes, F is a continuous function of r

Step-by-step explanation:

We are given that

When r<R

$F(r)=\frac{GMr}{R^3}$

$r\geq R$

$F(r)=\frac{GM}{r^2}$

Where M=Mass of the earth

R=Radius of earth

G=Gravitational constant

We have to find the function is continuous of r or not.

LHL

$\lim_{r\rightarrow R-}\frac{GMr}{R^3}=\frac{GMR}{R^3}=\frac{GM}{R^2}$

RHL

$\lim_{r\rightarrow R+}\frac{GM}{R^2}=\frac{GM}{R^2}$

$F(R)=\frac{GM}{R^2}$

When a function is continuous at x=a

Then, LHL=RHL=f(a)

RHL==LHL=F(R)

Hence, the function is continuous of r.

8 0

2 years ago

FIND THE DISTANCE BETWEEN THE TWO POINTS<br> A(0, 0), B(6, 8)

Alex

Answer:

Step-by-step explanation:

Mathematical Formula: $\sqrt{\left(x_2-x_1\right)^2+\left(y_2-y_1\right)^2}$

Therefore: $\sqrt{\left(6-0\right)^2+\left(8-0\right)^2}$

Which = 10

7 0

2 years ago

Solve for x -3x+15=4x-6

Westkost [7]

Answer:

the answer is $x=3$

Step-by-step explanation:

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

hope this helps :)

3 0

2 years ago