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ankoles [38]
2 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]2 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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5x(2x-y) -3y(2+3x) expand and simplify​
OleMash [197]

Answer:

10x² - 14xy -6y

Step-by-step explanation:

5x(2x-y)-3y(2+3x)

10x²-5xy-6y-9xy

10x² - 14xy - 6y

5 0
2 years ago
9.7q = 9.1q - 7.92<br> q =
AleksAgata [21]

Answer:

q = -13.2

Step-by-step explanation:

9.7q = 9.1q - 7.92

Subtract 9.1q from both sides.

0.6q = -7.92

Divide both sides by 0.6

q = -13.2

Double check your work.

9.7(-13.2) = 9.1(-13.2) - 7.92

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5 0
3 years ago
What is 2(8x-3) -4(3x-5)=19
vladimir1956 [14]

Answer:

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Step-by-step explanation:

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16x-6-12x+20=19

16x-12x-6+20=19

4x+14=19

4x=19-14

4x=5

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7 0
3 years ago
Solve: 16x2 - 80 = 0<br> Round the answer to the nearest hundredth.
GenaCL600 [577]

Answer:

-48

Step-by-step explanation:

16 x 2 = 32

32 - 80 = -48

5 0
2 years ago
Help solve! stuck on factoring
sweet-ann [11.9K]

Answer:

a = x and b = 4

Step-by-step explanation:

x^3 - 64 = (x - 4)(x^2 + 4x + 16)

so

a = x and b = 4

4 0
3 years ago
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