3 years ago

Please answer this math question

Mathematics

1 answer:

olganol [36]3 years ago

7 0

Like the person above me I agree that the answer is c

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What is the answer to 6/8 ×2 =

Artist 52 [7]

Step-by-step explanation:

= 6 / 8 × 2

= 0.75 × 2

= 1.5

plz follow me

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3 years ago

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What is the first term in a geometric sequence if the common ratio is − 2 and the sum of the first six terms is −105?

Serggg [28]

$\bf \qquad \qquad \textit{sum of a finite geometric sequence}
\\\\
S_n=\sum\limits_{i=1}^{n}\ a_1\cdot r^{i-1}\implies S_n=a_1\left( \cfrac{1-r^n}{1-r} \right)\quad 
\begin{cases}
n=n^{th}\ term\\
a_1=\textit{first term's value}\\
r=\textit{common ratio}\\
----------\\
r=-2\\
n=6\\
S_6=-105
\end{cases}$

$\bf -105=a_1\left( \cfrac{1-(-2)^6}{1-(-2)} \right)\implies -105=a_1\left( \cfrac{1-(64)}{1+2} \right)
\\\\\\
-105=a_1\left( \cfrac{-63}{3} \right)\implies -105=a_1(-21)
\\\\\\
\cfrac{-105}{-21}=a_1\implies 5=a_1$

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3 years ago

I need help in this project. I will provide a picture

hoa [83]

Just divide all the numbers and u should get your answer.

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3 years ago

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What is this question pls?

beks73 [17]

Answer:

58 degrees

Step-by-step explanation:

Diagonals in a rhombus bisect each other perpendicularly.

=> mXYW = 90 degrees

and mXWY = 32 degrees

Because XYW is a triangle

=> mWXY = 180 - 90 - 32 = 58 degrees

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3 years ago

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REY [17]

$5 per hour is the constant rate because 10/2 is 5, 20/4 is 5 etc.

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3 years ago