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Serggg [28]
3 years ago
13

Answer asap no wrong answers pls

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
4 0

Answer:

h = 3

Step-by-step explanation:

Looking at the given image, the height(h) divides the side length of 8 into two equal parts as we see that the height is perpendicular to the side length of 8 m.

Thus, looking at the half triangle of the face where the h is indicated, we can use pythagoras theorem to find h where the hypotenuse is 5 as shown in the diagram since each vertical cross section is an Isosceles triangle. Thus,

h² + (8/2)² = 5²

h² + 4² = 25

h² + 16 = 25

h² = 25 - 16

h² = 9

h = √9

h = 3

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The manager of a warehouse would like to know how many errors are made when a product's serial number is read by a bar-code read
Bond [772]

Answer:

(a)\ \bar x =20.5

(b)\ \sigma = 14.54

Step-by-step explanation:

Given

x: 36, 14, 21, 39, 11, 2

Solving (a): The mean of the 6 samples.

This is calculated as:

\bar x = \frac{\sum x}{n}

So, we have:

\bar x =\frac{36+ 14+ 21+ 39+ 11+ 2}{6}

\bar x =\frac{123}{6}

\bar x =20.5

Solving (b): The sample standard deviation.

This is calculated using:

\sigma = \sqrt{\frac{\sum(x - \bar x)^2}{n-1}}

So, we have:

\sigma = \sqrt{\frac{(36 - 20.5)^2 + (14 - 20.5)^2 + (21 - 20.5)^2 + (39 - 20.5)^2 + (11 - 20.5)^2 + (2 - 20.5)^2}{6-1}}

\sigma = \sqrt{\frac{1057.5}{5}}

\sigma = \sqrt{211.5}

\sigma = 14.54

7 0
3 years ago
$2 per movie if he download 5 movies he will get 25% discount how much will Shawn save on the base price if he downloads 5 movie
erik [133]

Answer:

If Shawn downloads a movie at a price of $ 2 each, for five movies he should pay $ 10. A percentage of 25% calculated as a sum is required to pay multiplied by 0.25. If for five downloaded movies there is a discount of 25%, it means that at a price of $ 10 he will have a 25% discount, $ 10x0.25 (25%) and get a discount of $ 2.5. That means he saved $ 2.5 if he bought five movies, and would pay $ 7.5.

7 0
2 years ago
Find the exact value of the following.<br><br> -3(1.2) 2 =
Shkiper50 [21]

Answer:

-7.2

Step-by-step explanation:

-3 (1.2) 2= -3×1.2×2

-3×1.2×2

-3.6×2

-7.2

-3 (1.2) 2= -7.2

3 0
3 years ago
Read 2 more answers
30 points for whoever helps George Washington...please
faust18 [17]

Answer:

A

Step-by-step explanation:

A is equal to 5d-5

I just went through all eh choices

It can’t be b or c becuase when distributed, it automatically is -5d+25 or vice versa with a different sign so their out

D is impossible becuase you can’t jsut flip a subtraction problem

And A is possible because adding a negative basically means subtracting so if flipped The signs have to change

8 0
2 years ago
Choose the graph which represents the solution to the inequality:<br> 3x + 8 ≥ 11
Ede4ka [16]

Answer:

X>=1 is the answer

Step-by-step explanation:

then

The graphic is A) or whom is be more or equal to one in the graphic. Right side of the graphic.

Best regards

4 0
3 years ago
Read 2 more answers
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