I need help with this as fast as possible, I have no idea what it could be-

Mathematics

1 answer:

sergejj [24]2 years ago

3 0

Can’t see the pic .........................

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Solve the system of equations using the elimination method and enter the value of y.

Viktor [21]

I think it is y= 9/5 + 4x/5

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2 years ago

Solve 2-3x=-x-8 i need help on this question i cant solve this

Nikitich [7]

Answer:

$x=5$

Step-by-step explanation:

We start by adding $3x$ to both sides, giving $2-3x+3x=-x+3x-8$ , which after simplifying gives $2=2x-8$ .

We then add $8$ to both sides, giving $2+8=2x-8+8$ , which after simplifying gives $10=2x$ .

We can then divide both sides by $2$ , giving $10/2=2x/2$ , which after simplifying gives $5=x$ , or $x=5$ . So, x is 5.

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2 years ago

You are given $100 for your birthday. You put the $100 in a savings account that pays an interest rate of 2.4% compounded monthl

jonny [76]

Each month the new total you be
initial amount * 1.024

Repeating the process for a year (=12 months) you get
initial amount * 1.024^12

Being initial amount = $100

100*1.024^12 = $132.92

After 1 year you will have $132.92

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2 years ago

Find the constant of variation k for the inverse variation. Then write an equation for the inverse variation. Y=4.5 when x = 3

Nookie1986 [14]

$\bf \qquad \qquad \textit{inverse proportional variation}\\\\
\textit{\underline{y} varies inversely with \underline{x}}\qquad \qquad y=\cfrac{k}{x}\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
y=4.5\\
x=3
\end{cases}\implies 4.5=\cfrac{k}{3}\implies 4.5(3)=k
\\\\\\
13.5=k\qquad therefore\qquad \boxed{y=\cfrac{13.5}{x}}$