3 years ago

☃ Hello Everyone!

Mathematics

2 answers:

Nadusha1986 [10]3 years ago

7 0

Answer:

5.5x + 2.75 = 19.25

Step-by-step explanation:

x is the number of people, and each person costs 5.5. So the first one would be 5.5x.

Since it's only one car, we can just put 2.75.

We're trying to find the max amount, which is 19.25. So our equation must be equal to 19.25.

Making it 5.5x + 2.75 = 19.25

Murrr4er [49]3 years ago

5 0

Answer:

3 people can go into the drive-in movie theater.

Step-by-step explanation:

19.25-2.75=16.5

16.5/5.50=3

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3 years ago

Simplify this equation. 6 + 7r - 4 × 11

weqwewe [10]

6 + 7r - 4 × 11
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3 years ago

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Lin bought x grams of sugar. Jada bought 3⁄4 more than that. what is the equation that will represents the relationship between

astra-53 [7]

Answer:

y = 7/4x

Step-by-step explanation:

Lin bought x grams of sugar.

Jada bought 3⁄4 more than Lin bought.

The equation:

y = x + 3/4x ⇒ y = 7/4x

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3 years ago

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Schach [20]

Answer:

x² - 20 = 0

Using the quadratic formula

$x = \frac{ - b± \sqrt{( {b})^{2} - 4ac } }{2a}$

a = 1 b = 0 c = -20

So we have

$x = \frac{ - 0 ± \sqrt{ {0}^{2} - 4(1)( -20)} }{2(1)} \\ \\ x = \frac{± \sqrt{80} }{2} \\ \\ x = \frac{±4 \sqrt{5} }{2} \\ \\ \\ x = ±2 \sqrt{5} \\ \\ \\ x = 2 \sqrt{5} \: \: \: or \: \: \: x = - 2 \sqrt{5}$

Hope this helps you.

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3 years ago

Anybody know how to work on decay rate? I'll give brainliest. THIS IS DUE SOON SO PLEASE HELP

artcher [175]

Answer:

28%

Step-by-step explanation:

In the function the .72 means that each unit of time 72% of the value is retained. This means that 28% percent of the value is lost or decays because 1-0.72=0.28 or 28 percent.

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3 years ago