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Alex Ar [27]
3 years ago
11

The average of Landry’s test scores must be at least 92 for her to make an A in Algebra class.

Mathematics
1 answer:
svp [43]3 years ago
3 0

Answer:

  89

Step-by-step explanation:

On the first test, she got 3 more points than the average required, so she can afford to drop 3 points below the average on her second test. She needs 92-3 = 89 or better.

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Will give brainliest!
irakobra [83]

Answer:

Step-by-step explanation:

Remember that our original exponential formula was y = a b x. You will notice that in these new growth and decay functions, the b value (growth factor) has been replaced either by (1 + r) or by (1 - r). The growth "rate" (r) is determined as b = 1 + r.

An exponential function of a^x (a>0) is always ln(a)*a^x, as a^x can be rewritten in e^(ln(a)*x). By deriving, the term (ln(a)) gets multiplied with a^x. The derivative shows, that the rate of change is similiar to the function itself. For 0<a<1, ln(a) becomes negative and so is the rate of change.

Linear models are used when a phenomenon is changing at a constant rate, and exponential models are used when a phenomenon is changing in a way that is quick at first, then more slowly, or slow at first and then more quickly.

6 0
3 years ago
plz hurryA 3-column table with 6 rows. Column 1 is labeled Number Rolled with entries 1, 2, 3, 4, 5, 6. Column 2 is labeled Obse
olga55 [171]

Answer:

The complete table is shown below.

Step-by-step explanation:

The data provided is:

Number Rolled       Observed Frequency       Relative frequency

          1                                     10                                \frac{10}{60}=\frac{1}{6}

         2                                     12                                \frac{12}{60}=\frac{1}{5}

         3                                     10                                \frac{10}{60}=\frac{1}{6}

         4                                     10                                \frac{10}{60}=\frac{1}{6}

         5                                      8                                \frac{8}{60}=\frac{2}{15}

         6                                     10                                \frac{10}{60}=\frac{1}{6}

    TOTAL                                60                                     1

The complete table is shown above.

4 0
2 years ago
Read 2 more answers
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Andru [333]

Answer:

12.3 mph

Step-by-step explanation:

17.9 - 5.6 = 12.3

7 0
3 years ago
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Answer:

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Step-by-step explanation:

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State if a triangle is acute, obtuse, or right.
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The answer is A) Right because the lengths 3 cm and 3 cm are obviously the same so it will form a right angle
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