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andre [41]
3 years ago
5

8. If you add one fifth of a number to that number itself, you get 42. What is the number?

Mathematics
1 answer:
anzhelika [568]3 years ago
6 0

Answer:

Be quiet

Step-by-step explanation:

Stop annoying people and go get a job

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Determine which expression has the greater value: 40-16 +10 or -20 + 18 + 30?
Paul [167]

Answer:

40-16+10

Step-by-step explanation:

40-16+10= 34

-20+18+18= 28

the greater answer is 40-16+10

8 0
3 years ago
Find the area of the shaded region.
mihalych1998 [28]

Answer:

351π cm^2.

Step-by-step explanation:

Area of shaded part = area of the large circle - area os small circle

= π * (13+7)^2 - π * 7^2

= 400π - 49π

= 351π.

8 0
3 years ago
A) Simplify the expression and explain each step. (2 points)<br><br><br>4(3x+2) -2<br>= ?
TiliK225 [7]

Answer:

6 (2 x + 1)

Step-by-step explanation:

Simplify the following:

4 (3 x + 2) - 2

Hint: | Distribute 4 over 3 x + 2.

4 (3 x + 2) = 12 x + 8:

12 x + 8 - 2

Hint: | Group like terms in 8 + 12 x - 2.

Grouping like terms, 8 + 12 x - 2 = 12 x + (8 - 2):

12 x + (8 - 2)

Hint: | Subtract 2 from 8.

8 - 2 = 6:

12 x + 6

Hint: | Factor out the greatest common divisor of the coefficients of 12 x + 6.

Factor 6 out of 12 x + 6:

Answer: 6 (2 x + 1)

3 0
3 years ago
Please please please help me :(((​
Maslowich

Answer:

In the last diagram the object is being acted upon by forces not adding up to zero.

Step-by-step explanation:

(Assuming force 1=force 2 in terms of magnitude)

Let forces acting towards the left = -1

Let forces acting toward the right = +1

In the first diagram, force1 is acting towards the left and force2 is acting towards the right:

Total force = force1+force2=-1+1=0

In the second diagram, force1 is acting towards the left and force2 is acting towards the right:

Total force = force1+force2=-1+1=0

In the third diagram, force1 is acting towards the right and force2 is acting towards the left:

Total force = force1+force2=+1-1=0

In the fourth diagram, force1 is acting towards the left and force2 is acting towards the left:

Total force = force1+force2=-1-1=-2. Here, the forces do not add up to zero.

3 0
2 years ago
Why does a flat piece of paper float to the ground while a crumpled ball of paper falls straight to the floor? Both pieces of pa
olasank [31]
Your answer is C. because the paper is open like a kite or planes wings so it will float. With the crumpled paper it will fall instantly because its not open and has more mass
3 0
3 years ago
Read 2 more answers
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