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Firlakuza [10]
3 years ago
5

Find the ninth term of the sequence sqrt 5, sqrt 10, ^2sqrt 5

Mathematics
1 answer:
hjlf3 years ago
5 0
The rule of geometric sequence is   ⇒⇒⇒ a * r^(n-1)
Where a is the first term and  r is the common ratio
for the given sequence  √5 , √10 , 2√5 , .......
a = √5
r = √10 / √5 = √2
The ninth term = √5 * (√2)^(9-1) = √5 * (√2)⁸ = 16 √5

the correct answer is the third option 16√5
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Consider that the length of rectangle A is 10 cm and its width is 6 cm. Which rectangle is similar to rectangle A? A) A rectangl
HACTEHA [7]
ANSWER

B) A rectangle with a length of 15 cm and a width of 9 cm.

EXPLANATION

The given rectangle, A, has length, 10cm and its width is 6cm.

The rectangle that is similar to rectangle A, has the corresponding sides in the same proportion.

For option A, the triangle has length 9cm and width 6cm.

The ratio of the corresponding sides are:

\frac{10}{9} \ne \frac{6}{6}

Since the ratios are not equal, the two triangles are not similar.

For the triangle in option B, the length is 15cm and the width is 9cm.

The ratio of the corresponding sides are:

\frac{10}{15} = \frac{6}{9} = \frac{2}{3}

Since the sides of the triangle are in the same proportion, the two triangles are similar.

For option C, the proportions are not the same.

\frac{10}{14} \ne \frac{6}{7}

The proportions are not the same for the triangle in option D.

\frac{10}{12} \ne \frac{6}{8}
8 0
3 years ago
1. Write the equation of the line best fit
Pavel [41]

Answer:

y=3/4x+2

Step-by-step explanation:

I found this by using desmos graphing calculator

8 0
3 years ago
What is the perimeter of the image below
Fynjy0 [20]

perimeter =QR+RS+ST+TU+UQ =26.1

RQ = 5.39

RS = 4.47

ST = 3.61

TU = 4.12

UQ = 8.54

4 0
3 years ago
Read 2 more answers
Can anyone help me please
kicyunya [14]

Answer:

yes wait im doing it. do I put them un order

3 0
3 years ago
I need help with problem number 3 if someone can help me with that
Flura [38]
Plug in x into the equation. Take x= -2 for example. Your equation is 2x-5, so instead of x, you put -2.
2(-2)-5 = -9
Your table is as follows:
(-2,-9)
(-1,-7)
(0,-5)
(1,-3)
3 0
3 years ago
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