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pishuonlain [190]
2 years ago
14

Two times a number is equal to the absolute value of the quantity "sixty-three less than five times that number." What could the

number be?
Mathematics
1 answer:
ANTONII [103]2 years ago
5 0

Answer:

The number is 21.

Step-by-step explanation:

First you need to solve for n.

So the equation would be 2n = |5n-63|

First you'd subtract 5n from each side, that would give you -3n=|-63|

Then you need to divide each side by -3 to get n=21.

                       ~~~~~

To check, you can just plug 21 back into the equation.

2(21) = |5(21) - 63|

42 = |105-63|

42 = |42|

42 = 42

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all real numbers is the domain of the function y=x+4

8 0
3 years ago
Desiree works 28 hours per week. She has a monthly income of $120 from investments. Desiree also plays in a band one night a wee
Oksi-84 [34.3K]
So hmmm let's see
she has a monthly income of 120 from investments, now, there are 12 months in a year, so her yearly income from investments are 120*12 or
$1440

she plays on a band, and makes 200 a week, now, there are 52 weeks in a year, so her yearly income from band playing is 200 * 52, or
$10400

her total annual income is 49696, now, if we subtract the band and investment income, we'd be left over with only what comes from her job payrate
so 49696 - 1440 - 10400 is 37856

so, she makes from her job, $37856 annually

now, she only works 28 hours weekly, how much is that yearly?   well, 52 weeks in a year, she works 28*52 hours a year, let us divide 37856 by that

37856 ÷ ( 28 * 52)   well, it ends up as 26

so, her hourly payrate is $26 per hour

now, she wants to ask for a raise, to make 51880 annually

well, if we check the difference of 51880 and 49696, that'd leave us with the difference in pay, or the raise annual amount

51880 - 49696 = 2184

ok, so she wants $2184 annually more from her work
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7 0
3 years ago
Read 2 more answers
Help pleaseeeeeeeeeeeeeeee
kupik [55]

Answer:C

Step-by-step explanation:

your answer is 390

First area of the rectangle which formula is bxh base time height.

that gives you 300 since 15x20=300

The for the triangle Formula is Basexheight deivded by 2

so 15x12 devided by 2 =90

300+90=390

Hope this helps you. :)

8 0
3 years ago
Please help me answer this ASAP
Alex Ar [27]

Answer: 7.2

Step-by-step explanation:

\tan 29^{\circ}=\frac{4}{CD}\\CD \tan 29^{\circ}=4\\CD=\frac{4}{\tan 29^{\circ}} \approx {7.2}

7 0
2 years ago
One comic book costs 2.23. How many comic books can you buy for 71.36
Sergio [31]

Answer:

32

Step-by-step explanation:

1/2.23 = x/71.36

2.23x = 71.36

x = 32

7 0
3 years ago
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