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mihalych1998 [28]
2 years ago
5

Find the formula for the nth term of the arithmetic sequence a1=15,d=9​

Mathematics
1 answer:
sasho [114]2 years ago
8 0
The answer to this is a n = a1 + d(n - 1)
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What is the area of the figure below?
Sergeeva-Olga [200]

Hint: Try using the Pythagorean thereom to solve it.

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Which of the following equations represents the axis of symmetry for the parabola shown? (5 points)
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Savannah measure's the temperature of a liquid to be 24 Celsius. Convert to Fahrenheit
jek_recluse [69]

Answer:

The temperature of Savannah's liquid to the nearest degree Fahrenheit is 75.2.

Step-by-step explanation:

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Therefore, The temperature of Savannah's liquid to the nearest degree Fahrenheit is 75.2

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3 years ago
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Given the vectors, a=3i+4j, b=-2i+5j, c=10i-j, d=-1/3i+5/2j, find -0.4a-0.3b+0.2d=?
sveta [45]

Answer:

-\frac{2}{3}i - \frac{13}{5}j

Step-by-step explanation:

-0.4(3i + 4i) - 0.3(-2i + 5j) + 0.2(-\frac{1}{3}i + \frac{5}{2}j)

-1.2i - 1.6j + 0.6i - 1.5j - \frac{0.2}{3}i + 0.5j

Converting to fraction form;

-\frac{6}{5}i + \frac{3}{5}i - \frac{1}{15}i - \frac{8}{5}j - \frac{3}{2}j + \frac{1}{2} j

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\frac{-18i + 9i - i}{15} = -\frac{2}{3}i

<u>Solving the j part;</u>

\frac{-16j-15j+5j}{10} = -\frac{13}{5}j

So -0.4a - o.3b + 0.2d =  -\frac{2}{3}i - \frac{13}{5}j

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3 years ago
What is the length of the altitude of the equilateral triangle below?
AleksAgata [21]
H/5 = tan(60°)
h = 5tan(60°)
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~F
8 0
3 years ago
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