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notsponge [240]
3 years ago
5

The length around a rectangle

Mathematics
1 answer:
DiKsa [7]3 years ago
5 0
Perimeter is your answer
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An object is traveling at a steady speed of 9 9/10 km/per hour about how long will it take the object to travel 5/1/10 km/per ho
Delicious77 [7]

Answer:

0.52 km

Step-by-step explanation:

We are given that

Speed of object, v=9\frac{9}{10}km/h

Speed of object, v=9+0.9=9.9km/h

Distance travel by object, s=5\frac{1}{10}km

Distance travel by object, s=5+0.1=5.1km

We have to find the time taken by object to travel 5 1/10 km.

We know that

Time=\frac{Distance}{speed}

Using the formula

Time taken by object to travel 5.1 km =\frac{5.1}{9.9} hr

Time taken by object to travel 5.1 km=0.52 hr

8 0
3 years ago
Why do plasma particles have charges?​
r-ruslan [8.4K]

Answer:

"Because the particles (electrons and ions) in a plasma have an electrical charge, the motions and behaviors of plasmas are affected by electrical and magnetic fields. ... Ions have a positive electrical charge because they have more positively charged protons than negatively charged electrons."

  -Educationscied.ucar.edu › plasma

8 0
3 years ago
How do you solve the inequality 6y+3> -18x
Alex17521 [72]
6y + 3 \ \textgreater \  - 18 x

Subtract 3 from both sides:

6 y + 3 - 3 \ \textgreater \  - 18 x - 3

6y \ \textgreater \  - 18 x - 3

Dividade both sides by 6 :

\frac{6y}{6} \ \textgreater \   \frac{-18x-3}{6}

y \ \textgreater \  \frac{-18x-3}{6}

hope this helps!


6 0
3 years ago
In a triangle, one of the angle measures 70°
Tanya [424]

Answer:

the two angles are 55° each

Step-by-step explanation:

Let the two equal angles be y each

Therefore,

70° + y + y = 180°

Collect like terms

2y = 180 — 70

2y = 110

Divide both side by the coefficient of y i.e 2

y = 110/2

y = 55°

Therefore, the two angles are 55° each

4 0
3 years ago
2x - 3 = - ( 4x + 9 )
mafiozo [28]

2x-3 = -(4x+9)

2x-3 = -4x-9

2x+4x=3-9

6x=-6

x=-1

3 0
3 years ago
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