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MaRussiya [10]
3 years ago
12

Help this is science btw

Mathematics
1 answer:
Nataliya [291]3 years ago
6 0
D is you answer Have a wonderful day ! 
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Write an equation for the nth term of the geometric sequence. Then find the 7th term. 2,-6,18,-54,...
Sonja [21]

soln,

from the series,

a = 2

t2 = -6

r = t2/a

=   \frac{ - 6}{2}

= -3

therefore, tn =

{ar}^{n - 1}

=  {2 \times  - 3}^{n - 1}

now,

seventh term =

{2 \times  - 3}^{7 - 1}

=  {2 \times  - 3}^{6}

= 2 \times 729

= 1458

5 0
3 years ago
A triangle with all congruent angles is called what?
VladimirAG [237]

Answer:

Equiangular

Step-by-step explanation:

Please look up questions like this instead of posting them. They just waste other people's time.

8 0
3 years ago
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Of the 2223 people on titanic, only 706 reached New York. What percent of people reached New York?
Liula [17]
For this, we can first find the decimal value by dividing 2223 from 706. Therefore, if we do 706/2223, we get .31759. Do find the percentage, simply multiply by 100. Now, we have 31.759% Therefore, 31.759% of the people on the Titanic reached New York.

Answer:
31.759%

Hope this helped!! :D
8 0
2 years ago
Which expression is equivalent to 1/3 (5x + 3y) + 2/5y + 7 ?
sveta [45]

Answer:

Step-by-step explanation:

Hello

Which expression is equivalent to 1/3 (5x + 3y) + 2/5y + 7 ?

a. 5/3x + 2/5y + 7

b. 5/3x + 7/5y + 7

c. 15x + 9 2/5y + 7

d. 15x + 2/5y + 7

1/3 (5x + 3y) + 2/5y + 7

= 5/3 x + y + 2/5 y + 7

= 5/3 x + 5/5 y + 2/5 y + 7

= 5/3 x + 7/5 y + 7

Answer : b

8 0
3 years ago
How many natural numbers between 45 and 46.​
frosja888 [35]

Answer:

Step-by-step explanation:

91 natural numbers are there between the square of 45 and 46.

4 0
2 years ago
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