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3 years ago

Kevin is looking for a job as a piano technician. One classified ad lists a job that

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

7 0

Step-by-step explanation:

Let's assume there are 365 days in a year (If you need to calculate the leap years in just add .25)

365/7=52.14 weeks. $64,600/52.14=$1,238.9. $1,238.9-$1,120=$118.9=$119

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The sales tax rate on a new vehicle is 6%. If the vehicle is $8,000, then how much will be charged for sales tax?

Dimas [21]

$8000 x 0.06
= 480

8000 + 480
= $8480

you will pay $8480

8 0

3 years ago

Least to greatest 0.5, 0.05, 5/8

NISA [10]

Well change 5/8 into a decimal which is so the least is 0.05 then 0.5 then 5/8

8 0

3 years ago

PLEASEE HELP!!

Alex777 [14]

Answer:

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>

quadratic equation
quadratic equation word problems
solving quadratic

<h3>given:</h3>

h(t) = -4t² + 12t + 100

<h3>to solve:</h3>

<h3>tips and formulas:</h3>

<u>the</u><u> </u><u>Ball</u><u> </u><u>will</u><u> </u><u>hit </u><u>the</u><u> ground</u><u> </u><u>when</u><u> </u><u>the</u><u> height</u><u> is</u><u> </u><u>0</u>
<u>solving</u><u> </u><u>quadratics </u><u>using</u><u> </u><u>quadratic</u><u> formula</u>
<u>PEMDAS</u>

<h3>let's solve: </h3>

$step - 1 : \: define$

$- 4 {t}^{2} + 12t + 100 = 0$

$step - 2 : \\ divide \: both \: sides \: by \: - 4$

${t}^{2} - 3t - 25 = 0$

$step - 3 : \\ solve \: the \: quadratic$

$formula : \\ x = \frac{ - b± \sqrt{ {b}^{2} - 4ac } }{2a}$

$define \: a ,b \: and \: c \\ which \: are \: 1, - 3 \: and \: - 25 \: respectively$

$t = \frac{ - ( - 3)± \sqrt{ {( - 3)}^{2} - 4.1. - 25 } }{2.1}$

$t = \frac{ 3± \sqrt{ 9 + 100} }{2}$

$t = \frac{3 + \sqrt{ 109 } }{2}$

$t = \frac{3 - \sqrt{ 109 } }{2}$

$t = 6.7 \\ t = - 3.7$

$as \: we \: know \: time \: cannot \: be \: negative$

$\huge \therefore \: t = 6.7$

5 0

3 years ago

A bank account earns interest at a rate of 3.5% per year ( in other words it increases in value by that percent) and starts with

LenKa [72]

Annually cumulating interest can be determined by the following formula:

$W = P(1+r)^{y}$

r represents the interest rate as a decimal, and P represents the starting amount of money.

8 0

3 years ago

The sum of 15 and the product of 5 and v

pogonyaev

The answer is 3 because 3×5=15

7 0

3 years ago