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3 years ago

R(x)=2 square root of x s(x)=square root of x (r/s)(3)

Mathematics

1 answer:

anastassius [24]3 years ago

7 0

Answer:

(

)

√

Step-by-step explanation:

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Which choice represents the best rational approximation for 20 ? A) 2.7 B) 4.5 C) 4.8 D) 5.2

konstantin123 [22]

I thin that the answer is A

6 0

3 years ago

Margo borrows $500, agreeing to pay it back with 3% annual interest after 14

Akimi4 [234]

Answer:

$\$17.50$

Step-by-step explanation:

we know that

The simple interest formula is equal to

$I=P(rt)$

where

I is the Final Interest to pay

P is the amount of money borrowed

r is the rate of interest

t is Number of Time Periods

in this problem we have

$t=\frac{14}{12}\ years\\ P=\$500\\r=3\%=3/100=0.03$

substitute in the formula above

$I=500(0.03)(\frac{14}{12})$

$I=\$17.50$

4 0

3 years ago

If H is the midpoint of TE and TH = 11.22, then TE =

Alexus [3.1K]

Answer:

22.44

Step-by-step explanation:

If it’s the midpoint, just multiply it by 2 giving you full length

5 0

3 years ago

Write the trigonometric expression <br> Cos (arcsin (u))<br> As an algebraic expression in u

makvit [3.9K]

When we use arcsine, we are finding the angle while giving the trigonometric ratio.

Arcsin(u) = theta can be rewritten as:

sin(theta) = u

Sine is opposite over hypotenuse, so u/1 means that the side opposite to theta (the y value) is u, and the hypotenuse is 1.

We can use Pythagorean Theorem to find the adjacent (x value).

1^2 - u^2 = x^2

x = sqrt(1-u^2)

Back to the original question, we are trying to find cos(arcsin(u)). We just solved all the sides for our triangle using arcsin(u). Now we need to do cos(u).

Cosine is adjacent over hypotenuse.

So our answer is sqrt(1-u^2)/1

Or just sqrt(1-u^2)

5 0

3 years ago

a point on a perpendicular bisector is 7cm from each endpoint of the bisected segment and 5cm from the point of intersection. Wh

love history [14]

9514 1404 393

Answer:

about 9.80 cm

Step-by-step explanation:

The length of half the segment (h) can be found from the Pythagorean theorem:

h² +5² = 7²

h² = 7² -5² = 49 -25 = 24

h = √24 = 2√6

This is half the segment length, so the whole segment length is ...

L = 2h = 2(2√6)

L = 4√6 ≈ 9.7980

The length of the segment is 4√6 ≈ 9.80 cm.

8 0

3 years ago