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Lena [83]
3 years ago
6

Tara is saving for an overseas trip. Her taxable income is usually about $20000. She estimates that she will need $5000 for the

trip, so she is going to do some extra work to raise the money. How much extra will Tara need to earn in order to save the extra $5000 after tax?
Mathematics
1 answer:
wolverine [178]3 years ago
4 0

An income is taxable is such income falls into a category where a proportion of the income is removed, as tax. To have an extra $5000 after tax, Tara must save $6173.

Given that:

Earnings = \$20000 --- normal earnings

Amount = \$5000 ---- the amount needed

From the complete question, the tax rate for earnings between $18201 and $37000 is 19%.

Let the additional amount be x.

So, the equation that calculates the amount needed (after tax) is:

x(1 - 19\%) = 5000

Express as decimal

x(1 - 0.19) = 5000

x(0.81) = 5000

Make x the subject

x = \frac{5000}{0.81}

x = \$6173

Hence, she needs to make an extra of $6173 to save $5000

Read more about taxable income at:

brainly.com/question/17347618

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For a certain population of men, 8 percent carry a certain genetic trait. For a certain population of women, 0.5 percent carry t
Lena [83]

Answer:

(D) 200 men and 2,000 women

Step-by-step explanation:

To have an approximately normal distribution for the difference between proportions, we have to have sample sizes that are big enough to satisfy this conditions:

np>10\\\\n(1-p)>10

For men, we have p=0.08, so we have:

n*0.08>10\Rightarrow n>125\\\\n(1-0.08)=n*0.92>10 \Rightarrow n>11

The sample size for men has to be at least 125 individuals.

For women, we have p=0.005:

n*0.005>10\Rightarrow n>2000\\\\n(1-0.005)=n*0.995>10 \Rightarrow n>11

The sample size for women has to be at least 2000 individuals.

The option that satisfy the requirements for men and women is Option D, as the others don't have enough sample size for women.

5 0
3 years ago
Factor this Polynomial completely. X^2-12x-36
Brut [27]

this cannot be factored.

 there are no 2 numbers that when added will equal - 12 and when multiplied together would equal -36

6 0
4 years ago
Please help a brotha out and i'll give you brainliest
xz_007 [3.2K]

Answer:

First box: 15 * 10^10.

Second box: 300,000,000 meters per second.

Third box: 48 * 10^-13 meters.

Fourth box: 167 * 10^-29 meters.

Step-by-step explanation:

These should be correct! I put them in order from the top empty box to the bottom empty box!!!

Please mark brainliest if correct!!!

3 0
3 years ago
PLEASE HELP ME I REALLY NEED YOUR HELP
ddd [48]

Answer:

26 \times 41

Step-by-step explanation:

Answer is 1066

6 0
3 years ago
The equation for Circle M is shown below. What is the area of Circle M in terms of π?
Paladinen [302]

Answer:  (141/4)pi

This looks like it matches up with choice D

===================================================

Work Shown:

Let's complete the square for the x and y terms like so

4x^2 + 4y^2 - 40x + 24y - 5 = 0

4x^2 - 40x + 4y^2 + 24y = 5

4(x^2 - 10x + y^2 + 6y) = 5

x^2 - 10x + y^2 + 6y = 5/4

x^2 - 10x + 25 + y^2 + 6y = 5/4 + 25

(x^2 - 10x + 25) + y^2 + 6y = 5/4 + 100/4

(x-5)^2 + y^2 + 6y = 105/4

(x-5)^2 + y^2 + 6y + 9 = 105/4 + 9

(x-5)^2 + (y^2 + 6y + 9) = 105/4 + 36/4

(x-5)^2 + (y + 3)^2 = 141/4

The last equation is in the form (x-h)^2 + (y-k)^2 = r^2 where (h,k) = (5,-3) is the center and r^2 = 141/4 leads to r = sqrt(141)/2 which is the radius.

The area of the circle is therefore,

A = pi*r^2

A = pi*141/4

A = (141/4)pi

5 0
3 years ago
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