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mash [69]
3 years ago
15

Add or subtract. Use the least common multiple as the denominator.

Mathematics
1 answer:
anygoal [31]3 years ago
5 0

3/4Answer:

Step-by-step explanation:

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The area of square is 350 CM square find the length of diagonal<br><br>​
grigory [225]

Step-by-step explanation:

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4 0
3 years ago
Read 2 more answers
Please help
ivanzaharov [21]

Answer:

D. none of the above

Step-by-step explanation:

If g(x)=8 is the only equation, then none of the answers are correct. The correct answer would have been 8 because 8=8.

3 0
3 years ago
Suppose a set of test scores is appproximately bell-shaped, with a mean of 68 and a range of 54. (a) The minimum test score is a
liberstina [14]

Answer:

a.) Minimum test score = 41

    Maximum test score = 95

b.)An approximate value of the standard deviation is 9.

Step-by-step explanation:

The given set of test scores is approximately bell shaped.

The mean of the test scores, \mu = 68

The range of the data set = 54.

a.) i.) Minimum test score  = \mu - \frac{range}{2}  = 68 - \frac{54}{2}  = 68 - 27 = 41

   ii.) The maximum test score = \mu + \frac{range}{2}  = 68 + \frac{54}{2}  = 68 + 27 = 95

b.) From the 68-95-99.7 rule, also known as the Empirical rule, tell us that an approximation of the range is 3 standard deviations either way from the mean. So from this rule we can say that the minimum can also be found from \mu - 3\sigma and the maximum can also be approximated as \mu + 3\sigma.

From the above we can say that the range can be written as

   3\sigma - (-3\sigma) = range

∴   6\sigma  = range

∴    \sigma  = \frac{range }{6}  = \frac{54}{6}  = 9

Therefore an approximate value of the standard deviation is 9.

7 0
3 years ago
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Andreas93 [3]

Answer: 221.10

Step-by-step explanation:

5 0
3 years ago
Rewrite in simplest terms: (-8x + 5) - (x – 7)​
Ilia_Sergeevich [38]

Answer:

-9x+12

Step-by-step explanation:

(-8x + 5) - (x – 7)​

Distribute the minus sign

(-8x + 5) - x + 7

Combine like terms

(-8x -x+ 5+7) ​

-9x +12

7 0
3 years ago
Read 2 more answers
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