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Julli [10]
3 years ago
6

Use the following equation y = 3x + 15 to solve for y when x = 3.

Mathematics
2 answers:
Ede4ka [16]3 years ago
5 0
Y = 3(3) +15

y = 9 + 15

y= 24
Digiron [165]3 years ago
5 0
3 times 3 equals 9 then you add it with 15, your answer is 24, or b. Have a good rest of your day !
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Question<br> Find the missing side lengths. Leave answer in simplest<br> radical form.
Slav-nsk [51]

Answer:

A) y = \frac{11\sqrt{3} }{2}, x = 11

Step-by-step explanation:

We can use the 60 degree angle to help us solve this.

Remember: tan(angle) = opposite/adjacent

Using this formula, we get that

tan (60 degrees) = y / (11/2)

This is because y is the side opposite to the 60 degree angle and 11/2 is the side adjacent to the 60 degree angle.

Simplifying this expression, we get that

\sqrt{3} = y/(11/2)

Multiplying both sides by 11/2, we get

\frac{11\sqrt{3} }{2} = y

We can now use the pythagorean theorem to help us solve for x

Remember: a² + b² = c²

Since x is the hypotenuse, it is the c value. Therefore, we get:

(11/2)² + (\frac{11\sqrt{3} }{2})² = x²

Simplifying this, we get

\frac{121}{4} + \frac{121 * 3}{4} = x²

Simplifying this some more, we get

484/4 = x²

121 = x²

Taking the square root of both sides, we get that

x = 11

I hope this helps!

4 0
3 years ago
What is the length of Line segment CD?
NISA [10]
Depending on if it’s a straight line, it can be 180 degrees
7 0
4 years ago
$93.00 were spent on purchases. A shirt for $18.00, and a pair of jeans $26.00 were returned. How much is owed on the account?
Sergeu [11.5K]

Answer:

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8 0
4 years ago
Read 2 more answers
Please help help help!!!!!!​
kvasek [131]
<h2>Answer:</h2>

  • option (c) 2

<h2>Step-by-step explanation:</h2>

<u>First step</u> : Multiply

<u>Second step</u> : Add

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\thereforeThe correct answer is 2.

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marshall27 [118]
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FOIL
3x^2 + 21x + 5x + 35
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8 0
3 years ago
Read 2 more answers
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