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makvit [3.9K]
2 years ago
5

Helphelphelphrlpherlphelphelp

Mathematics
1 answer:
miskamm [114]2 years ago
3 0

Answer: 1725

Step-by-step explanation: A= A+B/2 h= 50+65/2x30=1725

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yaroslaw [1]
The answer is 9.5 ( rounded, answer is 9.486833)
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3 years ago
What is the sum of the finite arithmetic series? 26 + 29 + 32 + 35 + 38 + 41 + 44
Leya [2.2K]
The sum of the finite arithmetic series of <span> 26 + 29 + 32 + 35 + 38 + 41 + 44 is 245. Arithmetic series is a sequence of number such that the difference between any term and the previous term is a constant number. When we sum a finite number of terms in the arithmetic series, we get the finite arithmetic series. </span>
4 0
4 years ago
Read 2 more answers
Simplify (-3x^2)^2 show work
Feliz [49]

Answer: 9x^4

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6 0
3 years ago
11-Determine the specific heat of a material if a 12-g sample absorbed 96 J as it was heated from 20°C to 40°C. *
kompoz [17]

Answer:

c=0.4\ J/g^{\circ} C

Step-by-step explanation:

Given that,

Mass of a sample, m = 12 g

Heat absobed by the sample, Q = 96 J

It was heated from 20°C to 40°C.

We need to find the specific heat of a material. The heat absorbed by a sample is given by :

Q=mc\Delta T\\\\c=\dfrac{Q}{m\Delta T}\\\\c=\dfrac{96}{12\times (40-20)}\\\\=0.4\ J/g^{\circ} C

So, the specific heat of the material is 0.4\ J/g^{\circ} C.

3 0
3 years ago
25 pts. : Directions: Complete this review of lessons 3-1 &amp; 3-2. There are 25 questions in total.
shepuryov [24]

Answer:

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90 x 90 = 8,100

9 x 900 = 8,100

500 x 300 = 150,000

1,000 x 5 = 5,000

125 - 100

770 - 800

364 - 400

923 - 900

755 - 800

Step-by-step explanation:

5 0
2 years ago
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