2 years ago

Which expressions are equivalent to the one below? Check all that apply.

Mathematics

1 answer:

Paraphin [41]2 years ago

5 0

Answer:

log (1/3)

Step-by-step explanation:

$log \: 2 - log \: 6 \\ \\ = log \frac{2}{6} \\ \\ = log \frac{1}{3}$

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Evaluate. Write your answer as an integer or as a decimal rounded to the nearest hundredth. tan 26° = ___

barxatty [35]

Answer:

0.49

Explanation:

Given the expression:

tan 26°

Evaluating using calculator

tan 26° = 0.4877

Hence the decimal rounded to the nearest hundredth is 0.49

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1 year ago

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Over the past several years, the proportion of one-person households has been increasing. The Census Bureau would like to test t

Ganezh [65]

Answer: z =2.39

Step-by-step explanation:

Given :

$H_0: p \leq0.23\\\\ H_a: p > 0.23$

A random sample of 136 households found that 43 consisted of one person.

i.e. Sample size : n= 136

Sample proportion : $\hat{p}=\dfrac{43}{136}=0.316176470588\approx0.3162$

Test statistic for proportion :-

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}$

$\Rightarrow z=\dfrac{0.3162-0.23}{\sqrt{\dfrac{0.23(1-0.23)}{136}}}\\\\\Rightarrow\ z=\dfrac{0.0862}{\sqrt{0.00130220588235}}\\\\\Rightarrow\ z=\dfrac{0.0862}{0.0360860898734}\\\\=2.38873206552\approx2.39$

Hence, the value of the test statistic: z =2.39

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3 years ago

The 4-inch radius pizza for $3 or the 8-inch radius pizza for $14.<br> 112

omeli [17]

Buy how many ever u want of the 4 inch it is a better deal

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3 years ago

What is equivalent to 84 1/4

KIM [24]

Answer:

$\frac{337}{4}$

Step-by-step explanation:

$84 \frac{1}{4} = \frac{84 \times 4 + 1}{4} = \frac{336 + 1}{4} = \frac{337}{4}$

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3 years ago

Mr. Jackson lengthened the fence along the back of his yard. Before he added 174 feet, the fence was 324 feet long. He divided t

vesna_86 [32]

Answer:

Step-by-step explanation:

The reason for this is because the fence has a total length of 498 and if you divide by 6 then you would have 83 sections of fence.

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4 years ago