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3 years ago

14

$72 game with a 20% discount and 7.5% tax

1 answer:

d1i1m1o1n [39]3 years ago

7 0

Answer:

Cost of game after discount = 72 - 20% of 72 = $57.6

Cost after tax = 57.6 + 7.5% of 57.6 = $61.92

So, the required cost is $61.92.

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Find the zeros of the polynomial function and state the multiplicity of each.

zheka24 [161]

$\bf f(x) = 4(x + 7)^2(x - 7)^3\implies 0 = 4(x + 7)^2(x - 7)^3
\\\\\\
0=(x+7)^2(x-7)^3\implies 
\begin{cases}
0=(x+7)^7\\
\qquad 0=(x+7)(x+7)\\
\qquad -7=x\\
\qquad -7=x\\
----------\\
0=(x-7)^3\\
\qquad 0=(x-7)(x-7)(x-7)\\
\qquad 7=x\\
\qquad 7=x\\
\qquad 7=x
\end{cases}$

the -7 is found there twice, so it has a multiplicity of 2
the +7 is there thrice, so it has multiplicity of 3

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3 years ago

Given x || y and mZ1 = 42° .<br> What is m26?<br> Enter your answer in the box.

ICE Princess25 [194]

Answer:

42

Step-by-step explanation:

since x is parallel to y m 26 remains constant

5 0

3 years ago

Help Q-Q 7/10c =4 1/5

shepuryov [24]

$\huge\mathfrak\green{answer}$

$= q - \frac{q7}{10} c = \frac{41}{5}$

$\red{multiply}$

$= q - \frac{cq7}{10} = \frac{41}{5}$

$\red{subtract \: q \: from \: both \: sides}$

$= q - \frac{cq7}{10} - q = \frac{41}{5} - q$

$\red{now \: simplify}$

$= - \frac{cq7}{10} = \frac{41}{5} - q$

$\red{multiply \: 10 \: both \: sides}$

$= 10( - \frac{cq7}{10} ) = 10. \frac{41}{5} - 10q$

$\red{simplify}$

$= - cq7 = 82 - 10q$

$\red{now \: divide}$

$= \frac{ - cq7}{ - q7} - \frac{82}{ - q7} - \frac{10q}{ - q7}$

$\red{simplify}$

$= c = - \frac{82 - 10q}{q7} (q≠0)$

Brainliest? :) (I'd really appreciate if you mark me as brainliest)

$\huge\mathfrak\green{thank \: you}$

5 0

3 years ago

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Which function's graph has asymptotes located at the values x=pi/2+-npi?

Furkat [3]

For those of you with differently ordered answers, the correct answers according to Apex are as followed: y=sec x and y=tan x

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3 years ago

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The cost of cookies at a bakery varies directly with the number of cookies bought. David spent $6.60 when he bought 4 cookies. C

Ad libitum [116K]

Answer:

t = 1.65(c)

Step-by-step explanation:

For 4 cookies = $6.60

For 1 cookie = $6.60/4 = $1.65

For t cookies = $1.65(c)

Equation:-

t = 1.65(c)

7 0

3 years ago