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emmainna [20.7K]
2 years ago
10

Please its urgent!!!​

Mathematics
1 answer:
Leviafan [203]2 years ago
4 0

Step-by-step explanation:

-1 + (-9w^2)-7w+7w^2

Combine like terms.

-9w^2 + 7w^2-7w-1

-2w^2-7w-1

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Every summand of an expression is called a???
cricket20 [7]

Answer:

I think it's called a term.

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Consider an airplane heading due east at 150 miles/hour relative to the air. The wind is blowing at 7.1 miles/hour at 45º south
sergij07 [2.7K]

We have

<span>Va(airplane)=150  East</span>

Vw(wind)=7.1 South East

<span>
</span><span>resulting vector R</span>

airplane

Vax=150    Vay=0   it only has component x 


Wind
Vwx=7.1*cos45=5.02

Vwy=7.1*sin45=-5.02 is negative because is South direction

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Rx=150+5.02=155.02

Ry=0-5.02=-5.02

<span>|R|=155.10 miles/hour South East</span>

Determine angle θ

Rx=R*cos(θ)

<span>Cos(θ)=Rx/R</span> <span>Cos(θ)=155.02/155.10=0.9995</span>

 θ =arc cos Rx/R θ =1.8119 º

 Rx represents the component in the East direction of the resultant force. Your contribution is given by both, the force of the plane and the wind. The contribution of the wind makes the airplane's speed greater

 Ry represents the component in the South direction of the resulting force Its contribution is exclusive of the wind since the airplane has no component in this direction

 |R| the force resulting from the combined action of the force of the plane and the force of the wind

 θ represents the angle that forms the resultant force with respect to the x axis or east direction

5 0
2 years ago
Read 2 more answers
If country A has 161,500 million more computers than country B and the total number of computers for both countries is 321,050 m
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Answer:

b has 79,775 million

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Step-by-step explanation:

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2b=321,050-161,500

2b=159,550

b=159,550/2

b=79,775

a=b+161,500

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a=241,275

6 0
3 years ago
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Anna [14]
36/4
That is 9
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18 Jello Apple Juice Shots
8 0
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You start at (7, 1). You move right 3 units.
Viefleur [7K]

Answer:

(4, 1)

Step-by-step explanation:

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