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ArbitrLikvidat [17]

3 years ago

15

When Seb reconciles his accounts, what is the first step he should take? Compare his records and his statement. Examine his stat

ement to check for errors. Confirm his records are accurate and include all transactions. Check receipts to make sure all transaction amounts are correct.

2 answers:

Alexxandr [17]3 years ago

7 0

C-confirm his records are accurate hope it helps

jok3333 [9.3K]3 years ago

5 0

Confirm his records are accurate

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Convert 111110 base two to base eight

Gre4nikov [31]

Answer: I got 76.

Step-by-step explanation:

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3 years ago

Four pieces of wood each 11 1/2 inches long are required to build a cabinet. If all four pieces are cut from one board and 1 inc

Bumek [7]

Since 1*4=4 inches of waste possible, we need 11.5*4=57 inches of wood (we multiply by 4 since 4 pieces), and given the waste we can have up to 61

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3 years ago

Express the weight of the main axle of the 1893 Ferris wheel in kilograms.

WITCHER [35]

Answer:

40514.837 kg

Step-by-step explanation:

The weight of the main axle of the 1893 ferris wheel built by George Washington Gale Ferris Jr. in Chicago, USA was 89,320 pounds (lb).

1 kg=2.20462 pounds (lb)

$\Rightarrow 1 lb=\frac{1}{2.20426}$

$\Rightarrow 1 lb=0.453592 kg$

$\Rightarrow 89320 lb=89320\times 0.453592$

$\therefore 89320 lb=40514.837 kg$

5 0

4 years ago

Use technology or a z-score table to answer the question.

Alik [6]

Answer:

The second choice: Approximately $65.2\%$ of the pretzel bags here will contain between 225 and 245 pretzels.

Step-by-step explanation:

This explanation uses a z-score table where each $z$ entry has two decimal places.

Let $\mu$ represent the mean of a normal distribution of variable $X$ . Let $\sigma$ be the standard deviation of the distribution. The z-score for the observation $x$ would be:

$\displaystyle z = \frac{x - \mu}{\sigma}$ .

In this question,

$\mu = 240$ .
$\sigma = 9.3$ .

Calculate the z-score for $x_1 = 225$ and $x_2 = 245$ . Keep in mind that each entry in the z-score table here has two decimal places. Hence, round the results below so that each contains at least two decimal places.

$\begin{aligned} z_1 &= \frac{x_1 - \mu}{\sigma} \\ &= \frac{225 - 240}{9.3} \approx -1.61\end{aligned}$ .

$\begin{aligned} z_2 &= \frac{x_2 - \mu}{\sigma} \\ &= \frac{245 - 240}{9.3} \approx 0.54\end{aligned}$ .

The question is asking for the probability $P(225 \le X \le 245)$ (where $X$ is between two values.) In this case, that's the same as $P(-1.61 \le Z \le 0.54)$ .

Keep in mind that the probabilities on many z-table correspond to probability of $P(Z \le z)$ (where $Z$ is no greater than one value.) Therefore, apply the identity $P(z_1 \le Z \le z_2) = P(Z \le z_2) - P(Z \le z_1)$ to rewrite $P(-1.61 \le Z \le 0.54)$ as the difference between two probabilities:

$P(-1.61 \le Z \le 0.54) = P(Z \le 0.54) - P(Z \le -1.61)$ .

Look up the z-table for $P(Z \le 0.54)$ and $P(Z \le -1.61)$ :

$P(Z \le 0.54)\approx 0.70540$ .
$P(Z \le -1.61) \approx 0.05370$ .

$\begin{aligned}& P(225 \le X \le 245) \\ &= P\left(\frac{225 - 240}{9.3} \le Z \le \frac{245 - 240}{9.3}\right)\\&\approx P(-1.61 \le Z \le 0.54) \\ &= P(Z \le 0.54) - P(Z \le -1.61)\\ &\approx 0.70540 - 0.05370 \\& \approx 0.65.2 \\ &= 65.2\% \end{aligned}$ .

3 0

4 years ago

Name a real world context to describe the sums of rational numbers.

GenaCL600 [577]

Step-by-step explanation:

when you are cooking you need to measure fractions of ingredients

6 0

3 years ago