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KiRa [710]
2 years ago
13

For a class project student in health class ask every tenth student entering school if they eat breakfast in the morning

Mathematics
1 answer:
iogann1982 [59]2 years ago
4 0

The types of study that we have hereare the

  • survey
  • experiment
  • observational
  • survey

<h3>1. The statistical question that has to be answered would be</h3>
  • How many students in this school ate breakfast?
  • The type of study is the survey

2. The question here would be

  • Does music help in the recalling of knowledge?
  • The type of study that is going to be conducted would be the experiment.

3. The answer that would be answered here would be

  • Does regular exercise affect the rate of heart beat of an individual?
  • The observation of the study participants and their behavior would be used to determine this.

4. The question would be

  • Is there a relationship between the physical activity of children and their energy level
  • The type of study is the survey

Read more on research study here:

brainly.com/question/25257437

#SPJ1

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A​ hot-air balloon is flying at an altitude of 2999 feet. If the angle of depression from the pilot in the balloon to a house on
Bezzdna [24]

Answer:

5668.3

Step-by-step explanation:

The problem can be represented as a right angled triangle as shown below.

The angle of depression is equivalent to the angle inside the triangle (alternate angles) and it is 34°.

The altitude of the balloon is 2999 feet. (opposite)

Using trigonometric function, SOHCAHTOA, we can solve this:

sin(34) = \frac{opposite}{hypotenuse}\\ \\sin(34) = \frac{altitude}{distance}\\\\sin(34) = \frac{2999}{distance}\\\\distance = \frac{2999}{sin34}\\\\distance = 5668.3 feet

The pilot is 5668.3 feet far away from the house.

4 0
4 years ago
Solve the attachment
dolphi86 [110]
Women are men because of the d divided by v %h
7 0
3 years ago
2x+y=-9<br> -3x+11=y whathe is the answer
insens350 [35]
[ 2x + y = -9 ] x -3
[- 3x +11= y ] x 2

-6x -3y = 27
-6x + 22 = 2y

-6x +27 = 3y
-6x +22 = 2y

5 = y

-6x -3x5 = 27
-6x -15 = 27
-6x = 42
-x = 42/6
-x = 7
x = -7

answer

x = -7
y = 5




8 0
3 years ago
The local bakery uses 1.75 cups of flour in each batch of cookies. The bakery used 5.25 cups of flour this morning.
Nataliya [291]
First divide 5.25/1.75 to find out how many batches are made the answer there is 3. then multiply 3*5 dozen= 15 dozen or 180 cookies 
3 0
3 years ago
Anaya swims 10 miles at eachof her practice sessions. how long is a practice session if she swims at an average speed. 2 miles p
Trava [24]

Answer:

If 2 mph) 5 hours

If 2.5 mph) 4 hours

If m mph) 10/m hours

If m+2 mph) 10/(m+2) hours

If m/3 mph) 30/m hours

Step-by-step explanation:

To find the time divide the distance (10) by the speed.

10/2=5

10/2.5=4

10/m

10/(m+2)

10/(m/3)=10(3/m)=30/m

4 0
3 years ago
Read 2 more answers
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