3 years ago

1. 2 + 5 = 5 + 2 exexmolifies which property?

1 answer:

8 0

Sorry don't remember the identities but
8. 32a + 29b
9. 35x +5y
10. 24r

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-BARSIC- [3]

1.X represents the number of apples, the y represents the number of bananas.

3. 0.50 represents the price of apples and 0.30 represents the price of bananas.

3 0

3 years ago

Elan Coil [88]

$\frac{3}{4} = .75$
$\frac{11}{16} = .6875$

$\frac{3}{4} \ \textgreater \ \frac{11}{16}$

6 0

3 years ago

jekas [21]

|-3|=3 right?
Then it is
3*-6=-18

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3 years ago

Sladkaya [172]

.08 cents per ounce, because 2.40 ÷30 =.08

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3 years ago

lakkis [162]

Answer:

Option B) 9.1

Step-by-step explanation:

We are given the following in the question:

Average score = 490.4

Standard deviation = 63.7

Sample size, n = 49

Formula:

$=\dfrac{\sigma}{\sqrt{n}}$

Putting values, we get,

Standard error =

$=\dfrac{\sigma}{\sqrt{n}} = \dfrac{63.7}{\sqrt{49}} = 9.1$

Thus, the correct answer is

Option B) 9.1

8 0

3 years ago