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Mashcka [7]
3 years ago
14

Can someone please help? Write the equation of the inequality.

Mathematics
1 answer:
Vlada [557]3 years ago
8 0
Y>=2x-4
It is not a dotted line so it is also equal to and it is y> because the origins (0,0) is shaded in. It is 2x for the slope because the line goes 2 up and 1 down.
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A tentmaker has 60,000 tents in stock. The Army decides to order 200 tents
Nastasia [14]

Answer:

300

Step-by-step explanation:

60,000 / 200 = 300

7 0
4 years ago
A three inch diameter pulley on an electric motor that runs at 1800
Bezzdna [24]

Answer:

a) 3 inch pulley: 11,309.7 radians/min

6) 6 inch pulley: 5654.7 radians/min

b) 900 RPM (revolutions per minute)

Step-by-step explanation:

Hi!

When a pulley wirh radius R rotantes an angle θ, the arc length travelled by a point on its rim is Rθ.  Then the tangential speed V is related to angular speed  ω as:

V=R\omega

When you connect two pulleys with a belt, if the belt doesn't slip, each point of the belt has the same speed as each point in the rim of both pulleys: Then, both pulleys have the same tangential speed:

\omega_1 R_1 = \omega_2 R_2\\

\omega_2 = \omega_1 \frac{R_1}{R_2} =1800RPM* \frac{3}{6}= 900RPM

We need to convert RPM to radias per minute. One revolution is 2π radians, then:

\omega_1 = 1800*2\pi \frac{radians}{min} = 11,309.7\frac{radians}{min}

\omega_2 = 5654.7 \frac{radians}{min}

The saw rotates with the same angular speed as the 6 inch pulley: 900RPM

3 0
3 years ago
Which sequences of transformations would result in similar figures that are enlargements or reductions?
Ugo [173]

Answer:

Dilations

Step-by-step explanation:

8 0
3 years ago
Just got switched to a new math class.... I need wit these two questions....
umka2103 [35]
I can’t see it needs better lighting
8 0
3 years ago
Ok what is 84% of 311?
kobusy [5.1K]
It would be: 311*84 / 100 = 311 * 0.84 = 261.24
So, your answer is 261.24
8 0
3 years ago
Read 2 more answers
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