3 years ago

How to work this out in geometry form?

Mathematics

1 answer:

weeeeeb [17]3 years ago

8 0

B x H divided by 2 i think

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Marco walked 27/100 kilometers to the park. Then he walked 3/10 kilometers to the library. What fraction of a kilometer did he w

vladimir2022 [97]

Answer:

57/200 Km

Step-by-step explanation:

3/10*10= 30/100

30/100+27/100=57/200km

8 0

3 years ago

162×0.967=? guys please help i'm at school and need help

Mnenie [13.5K]

The answer is 156.654

5 0

2 years ago

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How many different possible answers keys are there for an answer sheet with this format? 10 questions, 5 possible answers for ea

castortr0y [4]

50 Because 10 multiplied by 5 equals fifty

6 0

2 years ago

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The scale factor for a model is 5cm= m model: 9.5cm actual : 30.5m

MaRussiya [10]

We are given dimensions of model and actual figure.

model: 9.5cm actual : 30.5m.

We need to find the length of actual shape for the scale factor 5cm.

Let us assume actual length be x m.

Let us set a proportion now.

Let us convert proportion into fractions.

$\frac{5}{x}=\frac{9.5}{30.5}$

On cross multiplying, we get

9.5x = 5× 30.5

9.5x = 152.5.

On dividing both sides by 9.5, we get

$\frac{9.5x}{9.5}=\frac{152.5}{9.5}$

x=16.05.

<h3>Therefore, the scale factor for a model is 5cm= 16.05 m.</h3>

6 0

3 years ago

The reacttimes data set has 50 observations of human reaction times to a physical stimulus. The reaction times are named times a

scoundrel [369]

Solution: The formula for mean is:

$Mean=\frac{\sum x}{n}$

Where:

$\sum x$ is the sum of given observations

$n$ is the number of observations

$\sum x=87.12$

$n=50$

$\therefore Mean =\frac{87.12}{50}= 1.74$ rounded to two decimal places

To find the median, we need to first arrange the data in ascending order but we are already given the data in ascending order.

Therefore, the median is:

$Median=\left(\frac{n+1}{2} \right)^{th} item$

$=\left(\frac{51}{2} \right)^{th} item$

$=25.5^{th} item$

$=1.52+0.5(1.54-1.52)$

$=1.52+0.01$

$=1.53$

Therefore, the median = 1.53

4 0

2 years ago