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wel
2 years ago
10

What is the answer? Please tell me! I am in a hurry...

Mathematics
2 answers:
Nikitich [7]2 years ago
6 0
I think it would be C
Mamont248 [21]2 years ago
4 0
It’s C, well I think it is C
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Can you please show me how to calculate the volume for each prism?
larisa [96]

Answer:

1st: volume = long x wide x high = 7 x [sqrt(25^2-7^2)] x 4 = 7 x 24 x 4 = 672

2nd: volume = area of base(circle) x high = pi x 9^2 x 8 = ~ 2035.8

3rd = volume = area of base(triangle) x high = [sqrt(3)/4] x 14^2 x 20 = ~1697.4

8 0
3 years ago
Tarea: Expresiones Algebraicas Instrucciones: Evalúa las siguientes expresiones algebraicas con la información dada. Recuerda in
Ainat [17]

Answer:

-23.3

Step-by-step explanation:

Given:

a = 3, b = -2, c = 5. 1

Equation;

2a + 3b   - 3c + 4b

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Solution

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2a + 3b   - 3c + 4b

2(3) + 3(-2)   - 3(5.1) + 4(-2)

6 - 6 - 15.3 - 8

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7 0
2 years ago
What is the sum of the first 5 terms of this geometric series? Use . -4 + 12 + (-36) + ⋯
yKpoI14uk [10]

Answer:

The sum of the first 5 terms is -244

Step-by-step explanation:

To calculate the sum of the geometric series, we need the first term, the common ratio and the number of terms we would like to sum.

The first term here is -4

The common ratio is T2/T1 or T3/T2 = 12/-4 = -3

number of terms n = 5

The formula to use is;

Sn = a(1-r^n)/(1-r)

Plugging these values, we have;

Sn = -4(1-(-3)^5)/(1-(-3))

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7 0
3 years ago
I need help this is hard
Lerok [7]

Answer:

2 cm

Step-by-step explanation:

The red triangle has legs measuring 1.2 cm and 1.6 cm.

You need x, the length of the hypotenuse.

Use the Pythagorean theorem.

(1.2 cm)² + (1.6 cm)² = x²

4 cm² = x²

x = 2 cm

Answer: 2 cm

7 0
2 years ago
How to write an equation for the line?​
Mariana [72]

Answer: y= x+4

Step-by-step explanation:

slope is 1/1, so you don’t need to write the 1

4 is the y-intercept

6 0
3 years ago
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