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3 years ago

Simplify to create an equivalent expression. 2(3y+6)−3(−4−y)

Mathematics

2 answers:

anygoal [31]3 years ago

8 0

Answer:

9y+24

Step-by-step explanation:

svp [43]3 years ago

4 0

Answer:

9y+24

Step-by-step explanation:

2(3y+6)−3(−4−y)

Distribute

6y +12 +12 +3y

Combine like terms

9y+24

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Find the area of the figure below

icang [17]

Answer:

324

Step-by-step explanation:

Simplify it

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3 years ago

A student on a piano stool rotates freely with an angular speed of 2.85 rev/s . The student holds a 1.50 kg mass in each outstre

Vlad1618 [11]

Answer:r'=0.327 m

Step-by-step explanation:

Given

$N=2.85 rev/s$

angular velocity $\omega =2\pi N=17.90 rad/s$

mass of objects $m=1.5 kg$

distance of objects from stool $r_1=0.789 m$

Combined moment of inertia of stool and student $=5.53 kg.m^2$

Now student pull off his hands so as to increase its speed to 3.60 rev/s

$\omega _2=2\pi N_2$

$\omega _2=2\pi 3.6=22.62 rad/s$

Initial moment of inertia of two masses $I_0=2mr_^2$

$I_0=2\times 1.5\times (0.789)^2=1.867$

After Pulling off hands so that r' is the distance of masses from stool

$I_0'=2\times 1.5\times (r')^2$

Conserving angular momentum

$I_1\omega =I_2\omega _2$

$(5.53+1.867)\cdot 17.90=(5.53+I_o')\cdot 22.62$

$I_0'=1.397\times 0.791$

$I_0'=5.851$

$5.53+2\times 1.5\times (r')^2=5.851$

$2\times 1.5\times (r')^2=0.321$

$r'^2=0.107009$

$r'=0.327 m$

7 0

3 years ago

Find the slope of the line that passes through (8, 4) and (2, 9).

Alekssandra [29.7K]

The answers is not -5/6

5 0

3 years ago

What is the value of x in the figure shown?

3241004551 [841]

The answer is C.
X = 3

6 0

2 years ago

Read 2 more answers

Four more than the quotient of a number and 8 is equal to 6

Phantasy [73]

Answer:

4 + 8x = 6

Step-by-step explanation:

4 more (add)

quotient (multiply) of an unknown number (x) and 8

8 0

3 years ago