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aliina [53]
3 years ago
15

The average cost of a car in 1990 was $9,437 and the average cost of a car in 2018 was $36,113. Which of the following graphs co

mpares these totals more accurately? ( stem, leaf) display​

Mathematics
1 answer:
liubo4ka [24]3 years ago
4 0

Answer: A would be more accurate

Step-by-step explanation:

In 2018 the price of a car is $36,113 while it costs $9,437 in 1990. This means that the price increased from 1990 by;

= 36,113/9,437

= 3.8 times.

With the x axis already representing time, the y axis will represent price. Looking at the back of the cars(y axis), Graph A would therefore be more realistic as the car in 1990 looks almost 4 times as small as the car in 2018 unlike Graph B that has the 1990 car looking about 3 times smaller.

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Alex is standing 60 feet from the base of a flagpole. He measures the angle of elevation to the top of the pole as 35º. Vera is
ivanzaharov [21]

Answer:

49.4 degrees

Step-by-step explanation:

In Triangle AXY,

Tan 35^0=\frac{|XY|}{60} \\|XY|=60*Tan 35^0=42.01\:feet\\$Therefore, Height of the pole=42.01 \:feet

We want to determine the angle of elevation from the point Vera is standing to the top of the flagpole, which is the angle at V in the diagram.

In Triangle XVY

|VY|=36 feet

Tan \theta=\frac{|XY|}{|VY|} \\Tan \theta=\frac{42.01}{36}\\ \theta=arctan(\frac{42.01}{36})\\ \theta=49.4^0

Therefore, the angle of elevation from the point Vera is standing to the top of the flagpole is 49.4 degree to the nearest tenth of a degree.

4 0
4 years ago
Please help me find the constant of proportionality
laila [671]
26/2=13
39/3=13
etc.

The constant of proportionality is 13.

y = 13x
7 0
3 years ago
Prove that......... ​
tresset_1 [31]

Answer:

becauz the cos .1sj sin A the thing cos

8 0
4 years ago
A closed rectangular tank measures 5 meters by 10 meters by 6 meters. What is the surface area of the tank?
shutvik [7]

Answer:

280 square units

Step-by-step explanation:

Using the given dimensions {5, 6, 10}, find the area of the front, top and end of the box:  5*6 + 5*10 + 6*10 = 140 square units.

The back of the box is the same size and shape as the front, the bottom the same as the top, and the other end the same as the first end.  Thus, multiply 140 square units by 2 to get the total surface area of the tank:

It is 280 square units.

4 0
3 years ago
A spinner is divided into 10 equal sections numbered from 1 to 10. You spin the spinner once. What is P(not even)?
slega [8]
5/10 of the numbers between 1-10 are even and not odd. Therefore P(not even)=1/2
4 0
3 years ago
Read 2 more answers
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