The total for some groceries at the store was $25.63. With 8% sales tax, what is the total? $

Mathematics

2 answers:

ozzi3 years ago

7 0

Answer:

$2.05

Step-by-step explanation:

just do the math bro

Tema [17]3 years ago

4 0

Answer:

$27.72

Step-by-step explanation:

I hope this helps!!!

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How much is a square mile

Vinvika [58]

a square mile is equivalent to 27878400 square feet

8 0

2 years ago

The initial and terminal points of a vector are given. Write the vector as a linear combination of the standard unit vectors i a

gtnhenbr [62]

$U=16i-4j$

Explanation

any vector in the plane can be writen as a linear combination of the 2 standar unit vectors

$\begin{gathered} i=\langle1,0\rangle\text{ j=}\langle0,1\rangle \\ as\text{ follows} \\ V=\langle a,b\rangle=a\langle1,0\rangle+b\langle0,1\rangle=ai+bj \end{gathered}$

hence

Step 1

component form

$\begin{gathered} U=\text{ terminal point -initial point} \\ U=(9-(-7),(-3-1)=\langle16,-4\rangle \end{gathered}$

now, as a linear combination

$U=16i-4j$

I hope this helps you

8 0

1 year ago

If x varies directly with y and x=3.5 when y=14 find x when y=18

jekas [21]

$\bf \qquad \qquad \textit{direct proportional variation}
\\\\
\textit{\underline{x} varies directly with \underline{y}}\qquad \qquad x=ky\impliedby 
\begin{array}{llll}
k=constant\ of\\
\qquad variation
\end{array}\\\\
-------------------------------\\\\
\textit{we also know that }
\begin{cases}
x=3.5\\
y=14
\end{cases}\implies 3.5=k14\implies \cfrac{3.5}{14}=k
\\\\\\
\cfrac{1}{4}=k\qquad therefore\qquad \boxed{x=\cfrac{1}{4}y}
\\\\\\
\textit{when y = 18, what is \underline{x}?}\qquad x=\cfrac{1}{4}(18)$