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3 years ago

Solve the following equation. Then place the correct number in the box provided. 7x/15-1=22 x=?

Mathematics

1 answer:

enyata [817]3 years ago

8 0

Answer:

Step-by-step explanation:

First you have to make sure that you move everything from one side to the other and set the equation equal to zero. Then you have to simplify the equation as much as you can so you get:

x/14

7 * (x/14)

eventually you get

(x-22)/2 =0

from there you can solve for 44

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aleksandrvk [35]

Answer:

3,1

Step-by-step explanation:

(3+6)= 9

times 1 would also be 9.

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2 years ago

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8_murik_8 [283]

Answer:

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Step-by-step explanation:

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Step 1: Multiply both sides by c-d.

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Step 3: Divide both sides by a.

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2 years ago

What is 2,606 + 7,025?

cestrela7 [59]

Answer:

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3 years ago

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Show that area under multivariate normal distribution over the whole range in unity. Find characteristics function of multivaria

kenny6666 [7]

Answer:

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Step-by-step explanation:

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3 years ago

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