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Masteriza [31]
3 years ago
15

Help please!!!!!! this is due soon

Mathematics
1 answer:
Sunny_sXe [5.5K]3 years ago
5 0

Answer:

lateral surface area of cone =πrl

  • 132=22/7×r×11
  • 132×7=242r
  • r=924/242
  • r=3.81in

<h2>stay safe healthy and happy.</h2>
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Find the value of -3x + 5, <br> if –3 + 4x = -19
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Answer:

17

Step-by-step explanation:

Solve the equation for x then plug that into the 1st expression.

-3 + 4x = -19

4x = -19 + 3

4x = -16

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then

-3x + 5

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Two families visited an amusement park. The first family bought 2 hot dogs and 3 bottles of waters, which totaled $18. The secon
Ghella [55]

<u>Answer:</u>

$6.00

<u>Step-by-step explanation:</u>

To solve this problem, we have to construct two separate equations for each family, and then use any of the methods for solving simultaneous equations.

Let's consider <em>h </em>to represent the cost of 1 hot dog, and <em>w </em>to mean the cost of 1 water bottle.

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• For the second family:

4h + 2w = 28

Since we have previously obtained an expression for <em>w</em> in terms of <em>h</em>, we can substitute that expression for <em>w</em> in the above equation, and then solve for <em>h</em>:

⇒ 4h + 2(\frac{18 - 2h}{3}) = 28

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⇒ h = \bf 6

∴ The price of one hot dog is $6.00.

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2 years ago
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