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denis23 [38]
3 years ago
7

HELP!!!!! ME!!!!!!!! PLS!!!!!!!!

Mathematics
2 answers:
chubhunter [2.5K]3 years ago
6 0

Answer:

B

Step-by-step explanation:

I'm not that smart, but. I have a gut feeling this is right.

Kamila [148]3 years ago
3 0

Answer:

B, should be the correct answer.

Step-by-step explanation:

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The perimeter of a rectangle is 8x+10.if the length is 2x+8 what is the width?
leonid [27]

Answer:

6x+2

Step-by-step explanation:

8 0
2 years ago
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Zoe wants to make a driveway.
-Dominant- [34]
Well the volume of dirt she needs to remove is equal to length*width*height=6.2*4.9*0.225=6.8355

Now let's find how many bags she needs.

To solve for this, simply divide room in bags from total room.
6.8355/0.87=7.857

Thus Zoe has barely enough, but enough bags.
6 0
3 years ago
A common flea can jump a distance of 33 cm. Suppose a flea makes five jumps of this length in the northwest direction. If the fl
7nadin3 [17]
Solution: 33*5= 165   W= sqrt (165^2 - 88^2)                                                                                                                           Solve: 165^2 = 27225    88^2 = 7744                                                                                                                                 Now, Square root 27225/√ 19481 = <span>139.574353 (139.57)                                                 So, the fleas westward displacement is 139.57 cm</span>                                                                 
5 0
3 years ago
Read 2 more answers
Jason is pulling a box across the room. He is pulling with a force of 19 newtons and his arm is making a 30 angle with the horiz
Cerrena [4.2K]

We are to solve for the vertical and horizontal component of the force he is pulling with.

1. The vertical component of Jason's force is 9.5Newtons.

2.The horizontal component of Jason's force is 2.67Newtons.

3. Therefore, the net force in the vertical direction is -12.5Newtons.

4.Therefore, Resultant, R is 72.11

Question 1:

If Jason is pulling with a force of 19 Newtons and his arm is at an angle of 30° with the horizontal.

By resolving Jason's force of pull in the vertical direction, Fy = 19 × Sin 30° = 9.5 Newtons.

The <em>vertical</em> component of Jason's force is 9.5 Newtons.

Question 2:

Also,If Jason is pulling with a force of 14 Newtons and his arm is at an angle of 79° with the <em>horizontal</em>.

By resolving Jason's force of pull in the <em>horizontal</em> direction, Fx = 14 × Cos79° = 2.67 Newtons.

The horizontal component of Jason's force is 2.67Newtons.

Question 3:

If Jason is pulling with a force of 23Newtons and his arm is at an angle of 30° with the <em>horizontal</em>.

By resolving Jason's force of pull in the <em>vertical</em> direction, Fy = 23 × Sin 30° = 11.5Newtons.

The vertical component of Jason's force of pull is, 11.5Newtons.

If the box weighs 24Newtons.

By treating up as the +ve vertical direction and down as the -ve vertical direction,

Therefore, the weight of the box acts in the -ve vertical direction, while Jason's vertical force component acts in the +ve vertical direction.

Therefore, the net force in the vertical direction is = 11.5Newtons + (-24Newtons)

Therefore, the net force in the vertical direction is -12.5Newtons.

Question 4:

If there are two forces at right angles to eachother, one of magnitude, 68 and the other of magnitude, 24.

The resultant force on the object can be obtained by Pythagoras theorem (Triangle law of forces).

Resultant, R = √(68²+24²) = √5200.

Therefore, Resultant, R = 72.11

Read more:

brainly.com/question/24629099

4 0
2 years ago
Read 2 more answers
What is the distance between (1,-5) and (-3,6)​
Wewaii [24]

Answer:

\large\boxed{\sqrt{137}\approx11.7}

Step-by-step explanation:

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

We have two points (1, -5) and (-3, 6). substitute:

d=\sqrt{(-3-1)^2+(6-(-5))^2}=\sqrt{(-4)^2+11^2}=\sqrt{16+121}=\sqrt{137}

4 0
3 years ago
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