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VashaNatasha [74]

3 years ago

12

PLS HELP BEST ANSWER GETS BRAINLIEST

1 answer:

Blizzard [7]3 years ago

4 0

Answer: 4 cakes
Explanation: 2/3 is equal to 4/6. Each cake only takes 1/6 lbs. of sugar

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ROUND ANSWER TO THE NEAREST WHOLE NUMBER!

Anarel [89]

I am gonna say like a 76 percent hope this helps p.s. nice macbook

6 0

3 years ago

Each exterior angle of a regular n-gon has a measure of 9º. How many sides does the polygon have?

melamori03 [73]

They have 5 sides in total

7 0

3 years ago

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The unbalanced wheel has a mass of 15 kg and rolls without slipping on the flat horizontal surface. The wheel has a radius of gy

miv72 [106K]

Answer:

a) $a_w=4.331m/s^2$

b) $F=53.7N$

c) $\mu=96.5N$

Step-by-step explanation:

From the question we are told that

mass of unbalanced wheel $M=15kg$

Radius of gyration $G=64m$

Mass center $M_c =40mm=$ $4*10^{-2} m$

Angular velocity $\omega=4rads/s$

a)

Generally the equation for moment at point A is mathematically given as

$\sum M_a=I \alpha+\sum M \=ad$

Where $a_w=wheel\ accelaration$

$15*9.81*(0.04)=0.06144*\frac{a_w}{0.1}+15(0.04)(0.04)\frac{a_w}{0.1}+(15a_w-15(0.04)(4^2)0.1)$

$5,87=(a_w*0.8544+15a_0-0.96)$

$a_w=4.331m/s^2$

b)

Generally the equation for equilibrium of system on the horizontal axis is mathematically given as

$\sum f_x=ma_w$

$F=ma_w-m \=r w^2$

$F=(25*4.221)-(15*0.04*4^2)$

$F=63.3-9.6$

$F=53.7N$

c)

Generally the equation for equilibrium of system on the vertical axis is mathematically given as

$\sum f_y=ma_w$

Where

$F=\mu-mg+m \=r \alpha$

$\alpha=\frac{a_0}{0.1}$

$\mu-mg+m \=r \alpha=0$

$\mu-15*9.81+15*0.04*\frac{4.221}{0.1}$

$\mu-96.5N=0$

$\mu=96.5$

3 0

3 years ago

If the hypotenuse of a 45°-45°-90° triangle is 13, what is the length of one of the legs?

stiv31 [10]

Answer:

9.19

Step-by-step explanation:

Using Law of sines to find other two lengths:

a/sinA=b/sinB

let a be length of side unknown and b be hypotenuse then sinB=sin90 and sinA=sin45

a/sin45=13/sin90

a=13sin45

a=13(0.707)

=9.19

As the given triangle is isosceles hence the length of other two legs will be same i.e 9.19 !

6 0

3 years ago

Match the equation with its graph y 3/4x- 2

ioda

This should be the right answer though. If you go to desmos.com and type in the equations it gives you the answer.

Hope that helps :)

3 0

3 years ago

Read 2 more answers