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ankoles [38]
3 years ago
15

Ben is 20 years older than Daniel. Ben and Daniel first met two years ago. Three years ago, Ben was 3

Mathematics
1 answer:
fgiga [73]3 years ago
4 0

Answer:

  33

Step-by-step explanation:

3 years ago, the difference in ages was twice Daniel's age. So, Daniel was 20/2 = 10 years old at that time. Ben was 30.

Now, Ben is 33.

_____

If two numbers have a ratio of 3:1, their difference is (3-1) = 2 times the smaller number.

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Suppose your friend's parents invest $15,000 in an account paying 4 percent compounded annually. What will the balance be after
Contact [7]
Im not real sure if this is it but if you start with 15,000 and its 4% for 5 years then <span>This investment will be worth: </span>$<span>18,250. hope it helps

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4 0
4 years ago
Evaluate 7P4<br> Evaluate 12C5
Verdich [7]

Answer:

Below.

Step-by-step explanation:

7P4

= 7! / (7-4)!

= 7*6*5*4*3*2*1 / ( 3*2*1)

= 7*6*5*4

= 840.

12C5

= 12! / (12-5)! 5!

=  12*11*10*9*8*7*6*5*4*3*2*1 / ( 7*6*5*4*3*2*1 * 5*4*3*2*1)

=  12*11*10*9*8 /  5*4*3*2*1

= 792.

5 0
3 years ago
What is 1,455.8 x 4,628.9?
Nady [450]

Answer:

6738752.62

Step-by-step explanation:

1,455.8 x 4,628.9=6738752.62

8 0
2 years ago
Read 2 more answers
Miranda has 5/8 of a yard of ribbon. if she used 1/3 of it to make a hair bow, how much ribbon would she have left. PLEASE HELP
bezimeni [28]

Answer: 5/12

Step-by-step explanation:

Step 1

Whenever you have something OF  something, you just mulltiply.

1/3 of  5/8=  

1/3x5/8

5/24

She used 5/24, and started with 5/8

5/8-5/24= 5/12  left

8 0
2 years ago
Read 2 more answers
Given the following equation of the hyperbola, what are the x-values of the vertices? x^2/4 - y^2/49 = 1 is it 2 and -2?
Jet001 [13]

Answer:

  yes, ±2

Step-by-step explanation:

The x-intercepts are found by setting y=0 and solving for x:

  x^2/4 = 1

  x^2 = 4

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  x = ±2

The x-values of interest are -2 and +2.

3 0
3 years ago
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