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denis-greek [22]
3 years ago
11

Joe is riding in a bike race that goes through a valley and a nearby mountain range.

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0

Answer:

a. 224

b. 78

Step-by-step explanation:

a. add 400 to -176

b. subtract 98 from 176

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One leg of a right triangle is 4 less than the other leg. The square of the hypotenuse of the right triangle is 80. How long are
Hitman42 [59]
I hope this helps you

6 0
3 years ago
The masses mi are located at the points Pi. Find the moments Mx and My and the center of mass of the system. m1 = 4, m2 = 3, m3
viva [34]

Answer:

M_x= 8

M_y = 6

Therefore the co-ordinate of the center of mass is = (\frac{4}{5},\frac{3}{5})

Step-by-step explanation:

Center of mass: Center of mass of an object is a point on the object. Center of mass is the average position of the system.

Center of mass of a triangle is the centriod of a triangle.

Given that m₁= 4, m₂=3, m₃=3 and the points are P₁(2,-3), P₂(-3,1) and P₃(3,5)

M_x = ∑(mass × x-co-ordinate)

M_y = ∑(mass × y-co-ordinate)

Therefore  

M_x = (4×2)+{3×(-3)}+(3×3)

     =8

M_y = {4×(-3)}+{3×1}+(3×5)

    =6

The x co-ordinate of the center of mass is the ratio of M_x to the total mass.

The y co-ordinate of the center of mass is the ratio of M_y to the total mass.

Total mass (m) = m₁+ m₂+ m₃

                        = 4+3+3

                        =10

The x co-ordinate of the center of mass is \frac {8}{10} = \frac {4}{5}

The y co-ordinate of the center of mass is \frac{6}{10}=\frac{3}{5}

Therefore the co-ordinate of the center of mass is = (\frac{4}{5},\frac{3}{5})

4 0
3 years ago
Please help WILL GIVE BRAINLIEST‼️
zalisa [80]

Answer:

384 cubic meters

Step-by-step explanation:

Think of it as two rectangles on top of each other and then add the two volumes.

Volume is l*w*h

So for the bottom rectangle: (8) (12) (2) = 192 cubic meters

And for the top rectangle: (4)(6)(8) = 192 cubic meters

It is important to remember that for the top box you have to subtract the height of the bottom box which is why I used 4 for the height instead of 6.

Then you add them together.

192+192 = 384 cubic meters

3 0
3 years ago
Is u = - 1/2 a solution of 8u - 1 = 6u
saul85 [17]

Answer: No.

Step-by-step explanation: Sub -1/2 in for u in the equation:

8(-1/2) - 1 =6(-1/2)

=-4-1 = -3

=

-5=-3 which is false, so it is not a solution

6 0
3 years ago
Read 2 more answers
When a fraction is reduced to lowest terms, the only factor the numerator and denominator have in common is
lions [1.4K]

Answer: A fraction is in lowest terms when the numerator and denominator have no common factor other than 1.

Step-by-step explanation:  The factors of 2 are 1 and 2. The factors of 4 are 1, 2, and 4. 2 and 4 share a common factor: 2.

6 0
3 years ago
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