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Serggg [28]
3 years ago
5

Jack is 15 years younger than Sydney, The sum of their ages is 57. What is Sydney’s age?

Mathematics
1 answer:
andreyandreev [35.5K]3 years ago
5 0

Answer:

Sydney is 42 years old

Step-by-step explanation:

57 - 15 = 42

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The radius of the cone is 7 in and y = 25 in. What is the volume of the cone in terms of π? A cone with a right triangle formed
Lady bird [3.3K]

Answer:

142.1π in³

Step-by-step explanation:

Given that:

The radius (r) =  7 in

The slant height (y) = 25 in

Then the height (x) can be determined by using the Pythagoras rule:

y² = x² + r²

25² = x² + 7²

125 = x² + 49

125 - 49 = x²

x² = 76

x = √76

x = 8.7

The formula for the volume of a cone is;

= 1/3 πr²h

where;

height(h) is calculated as "x" from above = 8.7

Then;

= 1/3 × π × (7 in)² × 8.7 in

= 142.1π in³

5 0
3 years ago
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2/3*5/15+-24+-18 pls help asap
zavuch27 [327]

Answer:

-42 2/9

Step-by-step explanation:

⭐ Please consider brainliest! ⭐

✉️ If any further questions, inbox me! ✉️

6 0
3 years ago
NEEED HELPPPP ASAP PLEASEEE!!!! ONLY THE LAST ONE TO COMPLETE IM HAVING TROUBLE PLEASE
sergeinik [125]

The answer would be 1.52727...

To solve this, subtract 283-199 is 84. Then divide 84 by 55 since 55 is mph of the car. Then you would divide the 84/55. After, the calculation should be 1.52727...

So, the answer/ how much time it takes from Tallahassee to Live Oak is 1.5 hours. (1.52727, 1.53)

7 0
3 years ago
Evaluate the expression for n =8 <br> 3+7 x n
bonufazy [111]

Answer:n=-83/60 or -1.383

Step-by-step explanation:

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3 years ago
Solve this equation: -88=5y-13
nadya68 [22]

Answer:

y=-15

Step-by-step explanation:

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