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xenn [34]
4 years ago
13

Is 4 m greater or less than 400 dm

Mathematics
2 answers:
mestny [16]4 years ago
6 0
4 m is less than 400 dm
vovikov84 [41]4 years ago
3 0
400 dm is greater than 4m... hope this helps
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Why are 1/4 and 3/8 represented with negative numbers on the number line in the example ​
saveliy_v [14]

Answer: There's no image there, but I assume it's because they are behind the 0.

Step-by-step explanation: The range of real numbers goes from - infinity to positive infinity. The 1/4 and 3/8 that are on the number line are probably behind the 0, indicating that they are negative numbers. I don't know if what I'm saying makes sense in the context of the problem (since you didn't provide a picture).

6 0
3 years ago
A 2.0 kg cart moving right at 5.0 on a frictionless track collides with a 3.0 kg cart initially at rest. The 2.0 kg
Wewaii [24]

final speed of the 3.0 kg cart is 2.67 m/s .

<u>Step-by-step explanation:</u>

Here we have , A 2.0 kg cart moving right at 5.0 on a friction less track collides with a 3.0 kg cart initially at rest. The 2.0 kg  cart has a final speed of 1.0 to the left. We will use law of conservation of momentum: For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

m_1(v_1)+m_2(v_2) =m_1(v_3)+m_2(v_4)

⇒ m_1(v_1)+m_2(v_2) =m_1(v_3)+m_2(v_4)

⇒ 2(5)+3(0) =2(1)+3(v_4)

⇒ 10 =2+3(v_4)

⇒ 3(v_4) = 8

⇒ (v_4) = \frac{8}{3}

⇒ (v_4) = 2.67

Therefore, final speed of the 3.0 kg cart is 2.67 m/s .

4 0
4 years ago
If -4/3y=-3/4, then y =?
garri49 [273]

Step-by-step explanation:

y=-3/4 ÷ -4/3

y=+9/16‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌

5 0
4 years ago
Read 2 more answers
What is the solution of 6x(squared) = 42?
harina [27]
6x^2 = 42
  x^2 = 7
  x = + - √7

answer
x = +√7 or x = - √7
6 0
3 years ago
A college has over 5,000 students, 10, percent of which are left-handed. A new lecture hall is being planned that will seat 300
Rama09 [41]

Answer:

Mean: 30 students

Standard deviation: 5.2 students

Step-by-step explanation:

Khan

4 0
3 years ago
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