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Rzqust [24]
3 years ago
12

HELPPPPPPP PLEASEEEE PLEASEEEEEEE

Mathematics
2 answers:
kondor19780726 [428]3 years ago
8 0

Answer:

1. Exact Form: 71/28     Mixed Number Form: 2 15/28

2. Exact Form: 27/10     Mixed Number Form: 2 7/10

3. Exact Form: 5/6

4. Exact Form: 5/4     Mixed Number Form: 1 1/4

5. Exact Form: 25/12     Mixed Number Form: 2 1/2

Step-by-step explanation:

Anit [1.1K]3 years ago
4 0
What she saiddddd ^ is correct
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The amount of radioactive element remaining, r, in a 100mg sample after d days is represented using the equation r=100(1/2) d/5.
Ludmilka [50]

Answer:

   12.94%

Step-by-step explanation:

r = 100(1/2)^(d/5) = 100((1/2)^(1/5))^d ≈ 100(.87055)^d

The daily decrease is 1 - 0.87055 = 0.12944 ≈ 12.94%

4 0
3 years ago
Evaluate each expression.
Greeley [361]

Answer:

a 16

b30

Step-by-step explanation:

you said c is 5 so 11 +5 and you said b was 2 so 15 times 2 Is 30

8 0
3 years ago
The table shoes the results if a 100-meter race including the time in seconds for the first three finishers. The first-place fin
Luden [163]
For the answer to the question above asking <span>how much faster than the second-place finisher? 1st place got 13.89 and 2nd place got 14.02.
Based on your question the
1st place is    13.89
2nd place is  14.02
Just get the difference

The 1st place is 0.13 milliseconds faster than the second. and that was too close.</span>
6 0
3 years ago
Without graphing, determine the range of the runction f(x)=4|x+6|-5
Aneli [31]
Since is a positive a value (4) we know that the graph opens upward. -5 represents how far up or down the “vertex” is of the absolute value graph. This means that the range is -5
7 0
3 years ago
Out of 720 students,120 have failed.What percentage of students failed the exam?​
Arturiano [62]

Answer:

<em>83.33%</em>

<em>Total no. of students = 720</em>

<em>No. of students who failed = 120</em>

<em>Therefore no. of students passed = 720 120= 600</em>

<em>Therefore pass percentage = 600/720* 100 = 83.33%</em>

Step-by-step explanation:

<em>I </em><em>hope</em><em> it</em><em> will</em><em> help</em><em> you</em><em>.</em><em>.</em><em>.</em>

<em>kai6417</em>

<em>#</em><em>c</em><em>a</em><em>r</em><em>r</em><em>y</em><em>o</em><em>n</em><em>l</em><em>e</em><em>a</em><em>r</em><em>n</em><em>i</em><em>n</em><em>g</em>

5 0
2 years ago
Read 2 more answers
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