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Keith_Richards [23]
2 years ago
6

URGENT!!!! WILL GIVE BRAINLIEST TO FIRST RIGHT ANSWER!!!!!!

Mathematics
1 answer:
Zepler [3.9K]2 years ago
4 0

geometric sequence

\tt U_n=ar^{n-1}

a = 6 = first term

r = ratio = \tt \dfrac{9}{6}

the 6th term (n=6)

\tt U_6=6\times (\dfrac{9}{6})^{6-1}\\\\U_6=6\times \dfrac{9}{6}^5\\\\U_6=\dfrac{9^5}{6^4}=45.5625\rightarrow rounded~to nearest~thousandth=45.563

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Alex787 [66]

Hi

<u>The area of a triangle is </u>

\cfrac{base*height}{2}

If we plug in the given values, we get:

\frac{10*7}{2}

Multiply in the numerator:

\frac{70}{2}

Divide:

35

Therefore, the area of the triangle is 35 inches squared.

6 0
2 years ago
Read 2 more answers
Find the value of 5(a-4b) when a =-7 and b=1/4
tatiyna

Answer:

- 40

Step-by-step explanation:

5(a - 4b) \\  = 5 \bigg(- 7 - 4 \times \frac{1}{4} \bigg ) \\ = 5 \bigg(- 7 - 1 \bigg ) \\  = 5 \times ( - 8) \\  =  - 40

3 0
3 years ago
What is the solution of the equation over the complex numbers
denis-greek [22]

<u>Answer:</u>

2i\sqrt{3}

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<u>Step-by-step explanation:</u>

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Second, get the 12 on the right side of the equal sign by adding a -12 to each side

x^2 + 12 = 0

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x^2 = -12

Square root both sides of the equal sign.

x^2 = -12

\sqrt{x^2} = \sqrt{-12}

Take the square root on left sides of the equal sign.

\sqrt{x^2} = \sqrt{-12}

x = \sqrt{-12}

Take the square root on the right side of the equal sign. Remember \sqrt{-1} = i

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8 0
3 years ago
Please help needed and thank you
rodikova [14]
17. 9
18. 12
19. 16
20. 56
21. 143
22. 14
23. 27
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4 0
3 years ago
What is the value of d?<br><br><br>Round your answer to the nearest tenth.
Sergeeva-Olga [200]

Answer:

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Step-by-step explanation:

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d = 11.9 mm (nearest tenth)

5 0
3 years ago
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