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3 years ago

Shannon wants to find out about paying taxes this year. She visits www.mikestaxadvice.com. This information is -

Mathematics

2 answers:

natulia [17]3 years ago

8 0

Answer:

unreliable

hope this helped

Anna007 [38]3 years ago

7 0

Unrealiable

If she wants to know how to pay taxes she should visit the governments webiste. This is a third party website and could give her unreliable infortmation, she should be checking with the governments website.

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Find the value of 2cosx+1=0;0 less than x less than 360°

ohaa [14]

Answer:

120°; 240°

Step-by-step explanation:

Let's first solve for $cosx$ : $2cosx=-1 \rightarrow cosx=-\frac12$ At this point it's just a matter of drawing a circle, and mark where the angle is(please excuse my paint skills, but free hand drawing would be even worse). Red line, is $-\frac12$ on the cosines, and both the green and blue lines are valid solutions. The green line is a quarter of a circle, plus 30°, or 120°. The blue one is 3/4 of a circle, minus 30 degrees, or 240°.

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3 years ago

HELPP it’s angles of a triangle much appreciated !

bulgar [2K]

Answer:

The coastline of alaska is longer than the entire coastline of the lower forty-eight states

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2 years ago

Two trains, train A and train B, weigh a total of 251 tons. Train A is heavier than Train B. The difference of their weights is

olga55 [171]

Train A weighs 181 tons and train B weighs 70 tons.

3 0

3 years ago

One month Ravi rented4 movies and8video games for a total of $57 The next month he rented2 movies and3 video games for a total o

e-lub [12.9K]

SOLUTION

Given the question in the question tab, the following are the solution steps to get the rental cost for each movie and each video game.

Step 1: Write the representation for the two rentals

Let m represents movies

Let v represent video games

Step 2: Write the statements in form of a mathematical equation

$\begin{gathered} \text{Month 1: }4m+8v=57 \\ \text{Month 2: }2m+3v=23 \end{gathered}$

Step 3: Solve the equations above simultaneously using elimination method to get the values of m and v

$\begin{gathered} 4m+8v=57----(1) \\ 2m+3v=23----(2) \\ \text{ multiply equation 1 by 2 and equation 2 by }4 \\ 8m+16v=114----(3) \\ 8m+12v=92----(4) \\ \text{subtract equation (4) from equation (3)} \\ 4v=22 \\ v=\frac{22}{4}=5.5 \\ \text{Substitute 5.5 for v in equation 1 to get the value of m} \\ 4m+8v=57 \\ 4m+8(5.5)=57 \\ 4m+44=57 \\ 4m=57-44=13 \\ m=\frac{13}{4}=3.25 \\ m=\text{\$}3.25,v=\text{\$}5.50 \end{gathered}$

Rental cost for each movies is $3.25

Rental cost for each video games $5.50

8 0

1 year ago

Help plssssssssssssss

lilavasa [31]

It is the answer D, because 9 it’s in all answers

3 0

3 years ago