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Luba_88 [7]
3 years ago
6

There are 25 students in Mrs. Venetozzi’s class at the beginning of the school year, and the average number of siblings for each

student is 3. A new student with 8 siblings joins the class in November.
The average number of siblings that each student has is

Select a Value
* larger than the original average.
*smaller than the original average.
*the same as the original average.
Mathematics
1 answer:
andrezito [222]3 years ago
7 0
Adding the student with eight siblings will increase the class average amount of siblings because this student has more siblings than the average.

Therefore, the average number of siblings that each student has is larger than the original average.
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What is the surface area of the rectangular pyramid? m2 18 point for how ever awncers this first
Mariulka [41]

Answer:

When all side faces are same

surface area = lw + 1/2 × perimeter × slant height.

When the side faces are different

surface area = base area + lateral area

Step-by-step explanation:

The question you ask is the formula one can use to calculate the surface area of a rectangular pyramid.

The  base of a rectangular pyramid is rectangular. The picture below shows how a rectangular pyramid looks like .

The surface area of the rectangular pyramid includes the area of the base and areas of all the triangular faces. This simply implies the area of the rectangular base and the area of each triangular faces. Mathematically, it can be represented below.

The base area(rectangle) = length × width = lw

Area of a triangle = 1/2 × base × height = 1/2bh

Therefore, if all the faces of the triangle are the same(regular pyramid) the total surface area will be

surface area = lw + 1/2 × perimeter × slant height.

Note the triangular faces are 4 in numbers.  

If all the sides of the triangle are different the surface are will be

surface area = base area + lateral area

We have to add the triangular faces individually for an irregular pyramid.

5 0
3 years ago
Directions: Read, analyze, and choose the letter of the correct answer. Write your
svetoff [14.1K]

1) The normal room temperature is said to be about 20°C

2) 5 day is equivalent to 120 hr

3) 756 m³/s is equivalent 56000 L/s

4) It would take the snail 5 hours to crawl 75 m

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

1) The normal room temperature is said to be about 20°C

2) 1 day = 24 hr

5 day = 5 day * 24 hr per day = 120 hr

3) 1 m³ = 1000 L

756 m³/s = 56 m³/s * 1000 L/m³ = 56000 L/s

4) 1 m = 100 cm

75 m = 7500 cm

Time = 7500 / (25 cm/min) = 300 min = 5 hours

Find out more on equation at: brainly.com/question/2972832

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6 0
2 years ago
Please help !!!!!!!!!!!
DochEvi [55]
Forgive if I'm wrong but I think the answer is D).5.
4 0
4 years ago
Please answer this. As soon as possible!
andrey2020 [161]

Answer:

  a)  90°

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Step-by-step explanation:

An inscribed angle has half the measure of the arc it subtends.

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Angle ABC is inscribed in a semicircle and subtends an arc of 180°, so has a measure of 180°/2 = 90°. Here, that observation is described by ...

  The angle at the circumference in a semicircle is a right angle

6 0
3 years ago
Jordan types in a constant rate of 40 words per minute the number of words typed, y, is a function of the number of minutes spen
Artist 52 [7]

Answer:

40y=x

Step-by-step explanation:

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