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Dima020 [189]
3 years ago
13

Diana's father is 28 years older then Diana. The sum of their ages is 64. How old is Diana ?

Mathematics
2 answers:
aliya0001 [1]3 years ago
7 0

Answer:

36

Step-by-step explanation:

64-28= 36

I think my math is right I hope this helps good luck!

leonid [27]3 years ago
5 0

Answer:

Diana is 36

1

64

-

28

--------

3  6

Step-by-step explanation:

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7. Are the two lines parallel, perpendicular, or neither? Explain your answer. Show work needed to answer the
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Step-by-step explanation:

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3 years ago
What is the best approximation of the length of segment QS? (Note: cos 80° = 0.17)
matrenka [14]

Answer: QS=11.8cm


Step-by-step explanation:

1. You have the following information:

- The lenght of RS is 2 centimeters.

- The angle m∠S=80°.

- Cos80°=0.17

2. Therefore, you can calculate the lenght of the segment QS as following:

cos80=\frac{adjacent}{hypotenuse}

adjacent=2cm\\hypotenuse=QS\\cos80=0.17

3. Substitute values and solve for QS:

0.17=\frac{2cm}{QS}\\QS=\frac{2cm}{0.17} \\QS=11.76cm

4. To the nearest tenth:

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6 0
4 years ago
The numerator of a fraction is 5 more than its denominator.
alex41 [277]

Answer: x= -(1/2)

Step-by-step explanation:

(x+5 +3) / x+3 = 3

Multiply both sides by (x+3)

(x+8)= 3(x+3)

x+8 = 3x+9

-2x = 1

x= -1/2

               CHECK:

       -1/2 +8 =   15/2                  -1/2+3 =5/2

15/2 : 5/2 = 15/2*(2/5)  =  30/10 = 3

8 0
3 years ago
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