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bekas [8.4K]
2 years ago
14

Evaluate the function f(-6) if f(x) = 3x+9

Mathematics
2 answers:
horsena [70]2 years ago
5 0

Answer:

f(-6) = -9

Step-by-step explanation:

here, you substitute -6 for x in the function

f(x) = 3x + 9

f(-6) = 3(-6) + 9

f(-6) = -18 + 9

f(-6) = -9

nirvana33 [79]2 years ago
4 0

Answer:

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Step-by-step explanation:

额哈哈哈哈哈哈哈叭叭叭那那那鸡尾酒

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I really need help with this​
Andreyy89

Answer:

x = 67

Step-by-step explanation:

If the measure of the entire chord is 166°, then if you add the two angles that form it together, it will equal 166.

So,

x + 15 + x + 17 = 166

Simplify.

2x + 32 = 166

Subtract 32 from both sides.

2x = 134

Divide both sides by 2.

x = 67

I hope this helps! Feel free to ask any questions!

3 0
2 years ago
Solve the system of equations.
nikdorinn [45]

Answer:

Step-by-step explanation:

x - y = 34

x + y = 212

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x = 246/2

x = 123 <=== 123 domestic

x + y = 212

123 + y = 212

y = 212 - 123

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8 0
3 years ago
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A pair of jeans is marked up 20% on the original price. The original price was $50. What is the sale price of the pair of jeans
Anarel [89]

Answer:

20% of $50 is $10. This means that the pair of jeans now cost $60 since it got marked up.

Step-by-step explanation:

6 0
2 years ago
In a recent year, 27.9% of all registered doctors were female. If there were 53,700 female registered doctors that year, what wa
Elis [28]

Answer:

The total number of registered doctors was 192,473.

Step-by-step explanation:

This question can be solved using a rule of three.

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53700 doctors - 0.279

x doctors - 1

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x = \frac{53700}{0.279}

x = 192473.11

Rounding to the nearest whole number.

The total number of registered doctors was 192,473.

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3 years ago
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vlada-n [284]

Answer:

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Step-by-step explanation:

3 0
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