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Murrr4er [49]
3 years ago
12

The difference between two temperature readings

Mathematics
1 answer:
shepuryov [24]3 years ago
7 0
I think the answer is D
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Jacobs class has 24 students.If 1/8 of them play the piano , how many students in his class play the piano
Shalnov [3]
24 divided by 8 is 3 
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3 years ago
Answer the question to become the brainliest
olya-2409 [2.1K]

Answer:

a) The distance travelled on the cycle in the first 14 seconds is 96 meters.

b) The acceleration in the first 4 seconds is 2 meters per square second.

Step-by-step explanation:

a) The distance travelled by the cycle is equal to the area below the curve, which is the sum of the first triangle and the rectangle:

\Delta x = \frac{1}{2}\cdot \left(8\,\frac{m}{s} \right) \cdot (4\,s-0\,s)+\left(8\,\frac{m}{s}\right)\cdot (14\,s-4\,s)

\Delta x = 16\,m +80\,m

\Delta x = 96\,m

The distance travelled on the cycle in the first 14 seconds is 96 meters.

b) The acceleration is represented by the slope of the line, which is determined by definition of secant line:

a = \frac{v(4\,s)-v(0\,s)}{4\,s-0\,s} (1)

a = \frac{8\,\frac{m}{s}-0\,\frac{m}{s}}{4\,s-0\,s}

a =2\,\frac{m}{s^{2}}

The acceleration in the first 4 seconds is 2 meters per square second.

7 0
3 years ago
The combined land area of the countries A and B is 131,973 square kilometers. Country A is larger by 473 square kilometers. Dete
Zarrin [17]

x+y=131973

x=y+473

2y+473 = 131973

2y = 131500

y= 65750

x= 65750 + 473 = 66223


65750 + 66223 = 131973

 so one country is  65750 and the second country is 66223

8 0
4 years ago
Help me on questions 8 through 12
mr_godi [17]
8. To find the answer you can eather multipy it for each of the sides or you can add it 6 times once for each side
15\frac{1}{4} \times 6 \\ \\ 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4} + 15 \frac{1}{4}
9. You basicly do the same thing as the previous problem but with the new numbers and you add each number 2 times

10. For are you multiply Base × Height So all you have to do is Multiply the 2 numbers shown together
2 \frac{1}{2} \times 5
11-12 Is the same but witb the new numbers

I hope this helps!
6 0
3 years ago
I will give you a Brainly crown if it is right. Will you help me
Feliz [49]

Answer:

85

Step-by-step explanation:

if the top half is 180° and one side is 95° then the other side is 85°

5 0
3 years ago
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