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mezya [45]
2 years ago
14

15 points!!

Mathematics
2 answers:
tamaranim1 [39]2 years ago
6 0

Kecia has 12 nickels and 9 dimes.

This is true because...

12 x 5 = 60

9 x 10 = 90

90 + 60 = 150

In other words $1.50

juin [17]2 years ago
6 0

Answer:

Kecia has 9 dimes and 12 nickels.

Step-by-step explanation:

Let x be the number of dimes Kecia has.  She has 3 more nickels than dimes, then she has (x+3) nickels.

1 nickel coin is worth 5 cents and 1 dime coin is worth 10 cents. Then (x+3) nickeals are worth 5(x+3) cents and x dimes are worth 10x cents. The total value of the coins in Kecia's pocket is $1.50 that is 150 cents, then

5(x+3)+10x=150.

Solve this equation:

5x+15+10x=150,\\ \\5x+10x=150-15,\\ \\15x=135,\\ \\x=9.

Kecia has 9 dimes and 12 nickels.

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I need help with 23 please!!!
Sever21 [200]

Answer:

28 questions

Step-by-step explanation:

In the first 10 mins she answered 2/5 of 40 which is 16. The remaining amount is 24 questions and half of that is 12. So she answered 12 questions in 15 mins. Finally you add them to get 28 questions in 25 minutes.

3 0
3 years ago
If an instrument measures in units of 1 then any value between which two values would be measure as 5?
Svetach [21]

Did you get the answer yet?

5 0
2 years ago
Which equation shows y=−12x+4 is in standard form? 2x + y = 8 2x−y=8 x + 2y = 8 x+2y=−8
drek231 [11]

Answer:

<h2>x + 2y = 8</h2>

Step-by-step explanation:

The standard form of an equation of a line:

Ax+By=C

We have:

y=-\dfrac{1}{2}x+4

Convert:

y=-\dfrac{1}{2}x+4            <em>multiply both sides by 2</em>

2y=-x+8               <em>add x to both sides</em>

x+2y=8

3 0
3 years ago
Can someone please help
chubhunter [2.5K]

Answer:


Step-by-step explanation:

She has 28056 before any deductions are taken off. As far as the IRS is concerned every penny she earns is fully accountable for the 4 categories that she has to pay into.

The problem with the question is you are not told what is wanted. Do they want the income before or after the deductions have been made or do they want the accountable sum (28056)? I don't really know. 28056 is one possible answer.

Total deductions

  • Federal Tax     3780.90
  • State Tax           770.98
  • Medicare            406.81
  • SSI                     <u>1739.47</u>
  • All Deductions  6698.16

 Income = 28056 - 6698.16 = 21357.84

I think the answer you want is 28056

One answer it is not is 4*28056 = 112224. The tax is far too low for that kind of income.

3 0
3 years ago
)The following data show the height, in inches, of 11 different plants in a garden: 9 4 10 9 5 2 22 10 3 3 5 After removing the
vaieri [72.5K]
Ur outlier is 22....so we will remove it.

now we find the mean (average) of the data set...
(9+4+10+9+5+2+10+3+3+5) / 10 = 60/10 = 6...this is ur mean

now we subtract the mean from every data value...and find its absolute value
9 - 6 = 3....| 3| = 3
4 - 6 = -2...|-2| = 2
10 - 6 = 4..|4| = 4
9 - 6 = 3....|3| = 3
5 - 6 = -1..|-1| = 1
2 - 6 = -4...|-4| = 4
10 - 6 = 4..|4| = 4
3 - 6 = -3...|-3| = 3
3 - 6 = -3...|-3| = 3
5 - 6 = -1...|-1| = 1

now we find the mean (average) of these numbers...that is ur MAD
(3+2+4+3+1+4+4+3+3+1) / 10 = 28/10 = 2.8

ur answer : on average, the height of the plant varies 2.8 inches from the mean of 6 inches
4 0
3 years ago
Read 2 more answers
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