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3 years ago

5

Sam’s gross income is $1800 every other Friday. Calculate his net income, for one paycheck, if his Federal tax rate is 10% and h

is State tax rate is 3%.

1 answer:

kolbaska11 [484]3 years ago

8 0

Answer:

I believe the answer is $1571.4

Step-by-step explanation:

1800 - 10% = 1620

1620 - 3% = 1571.4

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Find the sum of all natural numbers between 25 and 210 which are either divisible by 3 or divisible by 4? Please let me know I

Ray Of Light [21]

Let <em>S</em> be the sum of the integers 25-210:

<em>S</em> = 25 + 26 + 27 + … + 208 + 209 + 210

Let <em>S₃</em>, <em>S₄</em>, and <em>S₁₂</em> denote the sums of the integers in <em>S</em> that are multiples of 3, 4, or 12, respectively. We'll also count how many terms each sum involves; it'll be useful later.

<em>S₃</em> = 27 + 30 + 33 + … + 204 + 207 + 210 … … … (<u>62</u> terms)

<em>S₃</em> = 3 (9 + 10 + 11 + … + 68 + 69 + 70)

<em>S₄</em> = 28 + 32 + 36 + … + 200 + 204 + 208 … … … (<u>46</u> terms)

<em>S₄</em> = 4 (7 + 8 + 9 + … + 50 + 51 + 52)

<em>S₁₂</em> = 36 + 48 + 60 + … + 180 + 192 + 204 … … … (<u>15</u> terms)

<em>S₁₂</em> = 12 (3 + 4 + 5 + … + 15 + 16 + 17)

Let's look at <em>S₃ </em>:

<em>S₃</em> = 3 (9 + 10 + 11 + … + 68 + 69 + 70)

By reversing the order of the sum, we get

<em>S₃</em>* = 3 (70 + 69 + 68 + … + 11 + 10 + 9)

Of course <em>S₃</em> = <em>S₃</em>*, I'm just calling it something else temporarily. Notice that every term in the same position of either sum adds up the same number.

9 + 70 = 79

10 + 69 = 79

11 + 68 = 79

and so on. Then

<em>S₃</em> + <em>S₃</em>* = 3 (79 + 79 + 79 + … + 79 + 79 + 79)

or

2<em>S₃</em> = 3 × <u>62</u> × 79 ==> <em>S₃</em> = 7,347

We can compute the other two sums in the same way.

<em>S₄</em> = 4 (7 + 8 + 9 + … + 50 + 51 + 52)

<em>S₄</em>* = 4 (52 + 51 + 50 + … + 9 + 8 + 7)

==> 2<em>S₄</em> = 4 × <u>46</u> × 59 ==> <em>S₄</em> = 5,428

<em>S₁₂</em> = 12 (3 + 4 + 5 + … + 15 + 16 + 17)

<em>S₁₂</em>* = 12 (17 + 16 +15 + … + 5 + 4 + 3)

==> 2<em>S₁₂</em> = 12 × <u>15</u> × 20 ==> <em>S₁₂</em> = 1,800

Then the sum you want is

<em>S₃</em> + <em>S₄</em> - <em>S₁₂</em> = 10,975

We subtract <em>S₁₂</em> because each of its terms is counted twice (once in <em>S₃</em> and again in <em>S₄</em>).

6 0

3 years ago

Jose wants to put a fence around his rectangular garden. His garden measures 31 feet by 33 feet. The garden has a path around it

vlabodo [156]

3 feet width is added to both sides .
so the dimensions become 34 feet and 36feet
hence the fencing length required or the perimeter= 2(l+b)
= 2( 34+36)
= 2(70)
= 140feet fence

4 0

3 years ago

Please I need some answers

kumpel [21]

Answer:

If you add any number to itself, the result is divisible by 2.

7 0

3 years ago

mayelle earns $18000 a year. After a raise, she earns $19500. Find the percent change and if it’s a decrease or increase

Aneli [31]

Ok, it's all pretty much like the "$50 coat is on sale for $35".

<span>If the regular price of the coat is $50 and now it is on sale for $35, then it will cost you $15 less, like this: </span>
<span>$50 - $35 = $15 </span>

<span>You could also say the coat was discounted by $15, or the coat was reduced by $15, or you'll save $15 if you buy that coat ($50 - $15 = 35). </span>

<span>You could also put it in terms of percentages. If the discount is $15, you can figure that $15 is what percent of the regular price, like this: </span>
<span>$15 = X% of $50 </span>
<span>$15 = X% x $50 (divide both sides by 50 to isolate X) </span>
<span>15/50 = X% </span>
<span>.30 = X% (multiply by 100 to convert to a non-decimal) </span>
<span>30% = X </span>

<span>So, you can say all of the following and they all mean the same thing: </span>
<span>1. the $50 coat is on sale for $35 </span>
<span>2. the $50 coat is discounted by $15 </span>
<span>3. the $50 coat is reduced by $15 </span>
<span>4. you'll save $15 if you buy this coat </span>
<span>5. the $50 coat is on sale for 30% off </span>
<span>6. the $50 coat is discounted by 30% </span>
<span>7. you'll save 30% if you buy this coat </span>
<span>8. 30% savings! </span>
<span>9. Save 30%! </span>

<span>So, how does that apply to the $18,000 a year? Ok, if Shelby earns $18,000 this year and then earns $19,500 next year, then she gets an additional $1,500 ($19,500 - $18,000 = $1,500). In the coat problem, everything was discounted, on sale, going down. In this problem, everything is going up, increasing. </span>

<span>You know the dollar increase is $1,500. To figure the percent increase, you need to figure out that $1,500 is what % of $18,000. Remember, it's not the $19,500 that was increased; it was an increase on the $18,000: </span>
<span>$1,500 = X% of $18,000 </span>
<span>1,500/18,000 = X% </span>
<span>.083333 = X% </span>
<span>8.3333% = X </span>

<span>One more: If Shelby get a 10% increase in her salary at the end of one year, that's the same as saying that Shelby gets her salary plus she gets 10% more, like this: </span>

<span>$18,000 + (10% of $18,000) = </span>
<span>$18,000 + $1,800 = </span>
<span>$19,800 end of first year </span>

<span>For the second year, her salary begins at $19,800 and increases 10%, like this: </span>
<span>$19,800 + (10% x $19,800) = </span>
<span>$19,800 + $1,980 = </span>
<span>$21,780 end of second year </span>

<span>You can do it from here.</span>

8 0

3 years ago

Read 2 more answers

Every natural number is a whole number true or false

bija089 [108]

Answer:

true

Step-by-step explanation:

it is what it is

5 0

3 years ago

Read 2 more answers