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Rom4ik [11]
2 years ago
13

Please help me I need to get this right to pass this class

Mathematics
1 answer:
denis23 [38]2 years ago
3 0

Answer:

6.1 units²

Step-by-step explanation:

area of a triangle= 0.5b*h

b=2

h=6.1

6.1*2=12.2

12.2*0.5= 6.1

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Right answer no lin or bot
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Answer:

2\frac{9}{10} or\frac{29}{10}

Step-by-step explanation:

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8 0
2 years ago
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Are 6:24 and 9:45 ratios equivalent
scoundrel [369]
No. If you do 6+1/3 and 24+1/3 it is not equal.
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2 years ago
Four int variables, x1, x2, y1, and y2, have been declared and been given values. write an expression whose value is the differe
Katen [24]
Even though we are using variables, we still know that "difference" means subtraction. So, if the larger is x1 and x2, those variables go first. The smaller, y1 and y2 will go second. So our problem will look like this:

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7 0
3 years ago
Does anybody know the answer to these questions?
san4es73 [151]

Answer:

  1. 625,000 J

  2. 100 J

  4. 5 kg

  5. √5 ≈ 2.236 m/s

Step-by-step explanation:

You should be aware that the SI derived units of Joules are equivalent to kg·m²/s².

To reduce confusion between <em>m</em> for mass and m for meters, we'll use an <em>italic m</em> for mass.

In each case, the "find" variable is what's left after we put the numbers into the formula. It is what the question is asking for. The "given" values are the ones in the problem statement and are the values we put into the formula. The formula is the same in every case.

__

1. KE = (1/2)<em>m</em>v² = (1/2)(2000 kg)(25 m/s)² = 625,000 kg·m²/s² = 625,000 J

__

2. KE = (1/2)<em>m</em>v² = (1/2)(0.5 kg)(20 m/s)² = 100 kg·m²/s² = 100 J

__

4. KE = (1/2)<em>m</em>v²

  250 J = (1/2)<em>m</em>(10 m/s)² = 50 m²/s²

  (250 kg·m²/s²)/(50 m²/s²) = <em>m</em> = 5 kg

__

5. KE = (1/2)<em>m</em>v²

  2000 kg·m²/s² = (1/2)(800 kg)v²

  (2000 kg·m²/s²)/(400 kg) = v² = 5 m²/s²

  v = √5 m/s ≈ 2.236 m/s

7 0
3 years ago
A school has 400 students. They all come to school by bus, and each bus carries the same number of students. How many students m
Ainat [17]
Depends. All multiples of 400, you could have many different options. For example, 400 buses 1 kid on ea. 40 buses 10 kids on ea.

400x1=400
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Just if the two numbers multiple to 400 it can be an answer
8 0
3 years ago
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