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lisabon 2012 [21]
3 years ago
12

Kevin is 333 years older than Daniel. Two years ago, Kevin was 444 times as old as Daniel. Let k be Kevin's age and let d be Dan

iel's age. Which system of equations represents this situation? a. D=k+3 d-2=4(k-2) b. K=d+3 k-2=4(d-2) c. D−2=(k−2)+3 d=4k d. K−2=(d−2)+3 k=4d ​ ​
Mathematics
2 answers:
Pepsi [2]3 years ago
7 0

Answer:D

Step-by-step explanation:

patriot [66]3 years ago
7 0

Answer:

d. K−2=(d−2)+3 k=4d

Step-by-step explanation:

Kevin is 3 years older than Daniel. Two years ago, Kevin was 4 times as old as Daniel. Let k be Kevin's age and let d be Daniel's age. Which system of equations represents this situation?

we have to interpret the questions and write it mathematically

Let k be Kevin's age and let d be Daniel's age.

"Kevin is 3 years older than Daniel" can be mathematically written as k= d+3

"Kevin was 4 times as old as Daniel"  can be mathematically written as  k = 4d

Therefore the correct option is d.

k-2 =(d-2)+ 3   k = 4d

Because k-2 = d-2+3  is the same as k= d+ 3

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Factor the trinomial below.
Ilia_Sergeevich [38]

Answer:

B

Step-by-step explanation:

yes, we need two numbers that multiplied with each other results in -48.

that means already that one of them has to be positive and the other negative.

that gives us (with all +/- alternating sign combinations)

2 and 24

3 and 16

4 and 12

6 and 8

to pick from there we see that the "middle" term is -2x.

that means that the absolute value of the negative number has to be 2 more than the positive number (so that when adding the intermediate multiplication terms we end up with -2x).

the only choice is therefore 6 and -8.

and that makes B the right answer.

3 0
3 years ago
1/4+(-3/4)= ?<br>(Sorry I didn't have a calculator)
IrinaVladis [17]
The answer would be 
-1/2 

or in decimal form 
-0.5

hope this helps :) 
3 0
3 years ago
#3 please. Thank you
Gre4nikov [31]
Experimental, a 7 out of 40 chance, add all of the results together and take the result of the diamond and fraction it with the whole like this 7/40, 31/40, much the same as b, 0/40 chance, because there is no stare in the cards.
3 0
4 years ago
All triangle angles have 60 degree angles. What are the side lengths?
Alex_Xolod [135]
If all the angles are 60 degrees, this is an equilateral triangle. This means that all the sides have the same lengths. Whatever length side a is, b and c have the same length. 

Hope this helps :)
3 0
3 years ago
Read 2 more answers
If you have 12% withheld for federal taxes, 7% for state taxes, and FICA is 7.65%, how much are your involuntary withholdings in
grandymaker [24]

Answer:

Step-by-step explanation:

The required withholding amounts are ...

  • federal tax = 0.12×$1375 = $165.00
  • state taxes = 0.07×$1375 = $96.25
  • FICA = 0.0765×$1375 = $105.19

So, the total involuntary withholding is ...

  $165.00 +96.25 +105.19 = $366.44

We want to find the voluntary withholding such that ...

  (gross pay) - (involuntary withholding) - (voluntary withholding) = (net pay)

Adding (voluntary withholding - net pay) to both sides of this equation, we get ...

  (gross pay) - (involuntary withholding) - (net pay) = (voluntary withholding)

Filling in the values we know gives ...

  $1375 -366.44 -725 = voluntary withholding = $283.56

Your voluntary withholding is $283.56.

6 0
3 years ago
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