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scZoUnD [109]
3 years ago
7

Shop sells shirts. In

Mathematics
1 answer:
ioda3 years ago
4 0
50% off £50 = £25
The shirts cost £25 in January
50% more of £25 = £12.5
The shirts cost £37.5 in February
50% off of £37.5 = £18.75
A shirt in March cost £18.75
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A palm tree is supported by two guy wires as shown in the diagram below. Which trig expression can be used to find the height on
Volgvan

Answer:

D. tan(30^\circ+45^\circ) is the correct answer.

Step-by-step explanation:

The given situation can be represented as a figure attached in answer area.

B is the base of tree.

C is the base of wires.

A and D are the end of 2 wires supporting the tree.

\angle DCB =45^\circ\\\angle ACB =75^\circ\\

Here, we need to find the Height of the tree which is represented the by side AB.

and we are given that bases of wires and tree base are at a distance 4 ft.

i.e. side BC = 4 ft

If we look at the \triangle ABC, we are given the base BC and the \angle ACB, and the perpendicular is to be find out.

We can use trigonometric identity:

tan\theta =\dfrac{Perpendicular}{Base}

tan 75^\circ = \dfrac{AB}{BC}\\\bold {tan (45+30)^\circ }= \dfrac{AB}{4}\\\Rightarrow AB = \bold {tan (45+30)^\circ } \times 4 = 14.93\ ft

Hence, D. tan(30^\circ+45^\circ) is the correct answer.

5 0
3 years ago
What is the area of this quadrilateral?
spayn [35]

Answer:C

Step-by-step explanation:

9×4=36

2×.5×4×3=12

36+12=48

5 0
3 years ago
Which of the following statements is​ correct? A. The relationship between two variables is linear whether it is represented by
LuckyWell [14K]

Answer:

  C. The relationship between two variables is linear when it is represented by a straight line and nonlinear when it is represented by a curved line.

Step-by-step explanation:

The definition of "linear" is "related by a straight line". The definition of "non-linear" is "not related by a straight line." One simply needs to understand the definitions in order to choose the correct statement.

6 0
3 years ago
A model is made of a car. The car is 9 feet long and the model is 6 inches long. What is the ratio of the length of the car to t
velikii [3]

Answer:

B

Step-by-step explanation:

To answer this, we need to see the to see to the fact that they are both in the same unit before we can take the ratio.

Firstly, we know that 1 foot = 12 inches. 9 feet would this be 9 * 12 = 108 inches.

Now we are told to get the ratio of length of car to length of model.

This means 108:6 = 18:1

5 0
4 years ago
Read 2 more answers
A video company randomly selected 100 of its subscribers and asked them how many hours of shows they watch per week. Of those su
Xelga [282]

Hello there!

35/100 watch more then 10 hours a week

3000 is 30 times greater than 100 so we can simply multiply 35/100 by 30.

35/100 x 30 = 1050/3000

Therefore, if the company had 3,000 subscribers, 1,050 subscribers would be watching more than 10 hours a week.

6 0
3 years ago
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