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3 years ago

PLEASE HELP ME!!Given PB = 6 in. and CB= 10 in. What is AC?

Mathematics

2 answers:

Phoenix [80]3 years ago

7 0

Answer:

AC=10

Step-by-step explanation:

PC^2+6^2=10^2 (pyt theorem to find PC)

PC=8

PA=PB=6 (equal)

8^2+6^2=AC^2

AC=10

MAVERICK [17]3 years ago

3 0

Step-by-step explanation:

I'm not sure if I'm right or wrong but I got the same values to all the triangle maybe if u use angles u might get a different answer I'm not sure

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Lunna [17]

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4 years ago

What is the slope-intercept form of the equation of the line that contains the points (3, 8) and (6,5) ?

Rashid [163]

The answer is y=-1x +11

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3 years ago

The perimeter of a rectangle garden is 364 feet. If the width of the garden is 85 feet, what is it length?

kherson [118]

P=2(L+W)

P=364

L=99

sub and find W

364=2(99+W)

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2 years ago

A competitive knitter is knitting a circular place mat. The radius of the mat is given by the formula

Ilia_Sergeevich [38]

Answer: A. $A'(t)=\frac{4356\pi}{(t+11)^{3}}-\frac{527076\pi}{(t+11)^{5}}$

B. A'(5) = 1.76 cm/s

Step-by-step explanation: Rate of change measures the slope of a curve at a certain instant, therefore, rate is the derivative.

A. Area of a circle is given by

$A=\pi.r^{2}$

So to find the rate of the area:

$\frac{dA}{dt}=\frac{dA}{dr}.\frac{dr}{dt}$

$\frac{dA}{dr} =2.\pi.r$

Using $r(t)=3-\frac{363}{(t+11)^{2}}$

$\frac{dr}{dt}=\frac{726}{(t+11)^{3}}$

Then

$\frac{dA}{dt}=2.\pi.r.[\frac{726}{(t+11)^{3}}]$

$\frac{dA}{dt}=2.\pi.[3-\frac{363}{(t+11)^{2}}].\frac{726}{(t+11)^{3}}$

Multipying and simplifying:

$\frac{dA}{dt}=\frac{4356\pi}{(t+11)^{3}} -\frac{527076\pi}{(t+11)^{5}}$

The rate at which the area is increasing is given by expression $A'(t)=\frac{4356\pi}{(t+11)^{3}} -\frac{527076\pi}{(t+11)^{5}}$ .

B. At t = 5, rate is:

$A'(5)=\frac{4356\pi}{(5+11)^{3}} -\frac{527076\pi}{(5+11)^{5}}$

$A'(5)=\frac{4356\pi}{4096} -\frac{527076\pi}{1048576}$

$A'(5)=\frac{2408693760\pi}{4294967296}$

$A'(5)=1.76268$

At 5 seconds, the area is expanded at a rate of 1.76 cm/s.

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3 years ago

In circle Y, what is mZ1?

Akimi4 [234]

Answer:

m<1 and m<2 are obviously congruent so if m<2 is 25 then that means m<1 is also 25

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3 years ago

PLEASE HELP ME!!Given PB = 6 in. and CB= 10 in. What is AC? ​

PLEASE HELP ME!!Given PB = 6 in. and CB= 10 in. What is AC?