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r-ruslan [8.4K]
3 years ago
15

The table shows the number of students in the senior class and the number of seniors who have a​ driver's license.

Mathematics
1 answer:
Westkost [7]3 years ago
7 0

Answer:

Answer:

14) 268

Step-by-step explanation:

Number of Seniors         Seniors with Driving License                 Year

341                                                    222                                          2014

367                                                   240                                          2015

309                                                   199                                           2016

382                                                   246                                          2017

Question 13)

If we observe, we can find that the ratio of seniors with driving license to number of seniors is almost the same in all 4 years.

For year 2014:

For year 2015:

For year 2016:

For year 2017:

So, about 65% of the total seniors own a driving license.

Question 14)

In 2018, there were 413 total seniors. So around 65% of 413 would own a driving license.

65% of 413 = 0.65 x 413 = 268 (rounded to nearest integer)

So, in the class of 2018, 268 seniors will have the driving license.

Step-by-step explanation:

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Answer:

Step-by-step explanation: Add -8, -1, and 3 which equals -6

-8 + -1 + 3 = -6

then divide by 3

-6/3 = -2

3 0
3 years ago
Read 2 more answers
Haylee hikes to the top of a 120-foot vertical cliff. From the top of the cliff, the angle of depression to her campsite is 10∘.
stiv31 [10]

Answer:

681 feet

Step-by-step explanation:

Let x represent the distance between campsite and the base of the cliff.  

We have been given that Haylee hikes to the top of a 120-foot vertical cliff. From the top of the cliff, the angle of depression to her campsite is 10∘. We are asked to find the distance between campsite and the base of the cliff.  

We can see that angle of depression forms a right triangle with respect to ground, cliff and campsite.

\text{tan}=\frac{\text{Opposite}}{\text{Adjacent}}

\text{tan}(10^{\circ})=\frac{120}{x}

x=\frac{120}{\text{tan}(10^{\circ})}

x=\frac{120}{0.176326980708}

x=680.5538183559

Upon rounding to nearest foot, we will get:

x\approx 681

Therefore, the campsite is 681 feet away from the base of the cliff.

4 0
3 years ago
Given: mAngleADE = 60° and mAngleCDF = (3x + 15)°
Alexeev081 [22]

The missing reason in step 3: is vertical angles are congruent, while the missing reason in step 5 is: definition of congruency.

<h3>What are Vertical Angles?</h3>

Two angles are referred to as vertical angles is:

  • They share the same vertex angle.
  • They are non-adjacent angles.
  • They do not share a common side.

<h3>What is the Vertical Angles Theorem?</h3>

According to the vertical angles theorem, two angles that are vertical angles must be congruent to each other, that is, they are equal in measure.

In the image given, as attached below, angle EDF and angle ADC are vertical angles pair. Therefore, based on the vertical angles theorem, they have equal measure (they are congruent to each other).

Thus, the missing reason in step 3: is vertical angles are congruent, while the missing reason in step 5 is: definition of congruency.

Learn more about vertical angles on:

brainly.com/question/14362353

#SPJ1

8 0
2 years ago
Please help quickly !!
Salsk061 [2.6K]

Since these are right triangles, we can use Pythagorean Theorem.

Pythagorean Theorem: a^2 + b^2 = c^2

50^2 + 20^2 = c^2

2500 + 400 = c^2

2900 = c^2

c = sqrt[ 100 * 29]

c = 10 sqrt[29]

In the boxes, a = 10, b = 29.

Hope this helps!! :)

8 0
3 years ago
A student rounds a number to 12.9. Which of the following is a possible value of the original number?
LekaFEV [45]

Answer:

12.85, 12.86, 12.87, 12.88, 12.89, 12.90, 12.91, 12.92, 12.93, and 12.94

Step-by-step explanation:

there is none

3 0
3 years ago
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