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4 years ago

ᎻᎾᏔ ᎠᎾ YᎾᏌ ᏚᎾᏞᏙᎬ NᏌᎷᏴᎬᎡ 4????

Mathematics

2 answers:

svp [43]4 years ago

6 0

The lowest score is 9.06 and the highest score is 9.15.

Luden [163]4 years ago

5 0

Lowest score: 9.06
Highest score: 9.15

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From base camp, a hiker walks 3.5 miles west and 1.5 miles north. Another hiker walks 2 miles east and 0.5 miles south. To the n

levacccp [35]

Answer:

The hikers are 5.9 miles apart.

Step-by-step explanation:

Let O represents the base camp,

Suppose after walking 3.5 miles west, first hiker's position is A, then after going 1.5 miles north from A his final position is B,

Similarly, after walking 2 miles east, second hiker's position is C then going towards 0.5 miles south his final position is D.

By making the diagram of this situation,

Let D' is the point in the line AB,

Such that, AD' = CD

In triangle BD'D,

BD' = AB + AD' = 1.5 + 0.5 = 2 miles,

DD' = AC = AO + OC = 3.5 + 2 = 5.5 miles,

By Pythagoras theorem,

$BD^2 = BD'^2 + DD'^2$

$BD = \sqrt{2^2 + 5.5^2}=\sqrt{4+30.25}=\sqrt{34.25}\approx 5.9$

Hence, the hikers are 5.9 miles apart.

8 0

3 years ago

a new car, originally worth $35,795, depreciates at a rate of 17% per year. The value of the car can be represented by the equat

Sergio [31]

We have been given that a new car, originally worth $35,795, depreciates at a rate of 17% per year. The value of the car can be represented by the equation $y=35795(0.83)^x$ , where x represents the number of years since purchase and y represents the value (in dollars) of the car.

To find the value of car of after 5 years, we will substitute $x=5$ in our given equation as:

$y=35795(0.83)^5$

$y=35795\cdot (0.3939040643)$

$y=14099.79598$

Upon rounding to nearest tenth, we will get:

$y\approx 14099.8$

Therefore, the car will be worth $14,099.8 after 5 years it is first purchased.

Since $14,099.8 is less than original value of car, therefore, we know hat value of car is depreciating and $14,099.8 is correct answer.

We also know that an exponential decay function is in form $y=a(1-r)^x$ , where,

y = Final value after t years,

a = Initial value,

r = Decay rate in decimal form,

x= Time.

$17\%=\frac{17}{100}=0.17$

$y=35795(1-0.17)^x$

$y=35795(0.83)^x$

8 0

3 years ago

Figure A is the preimage. Which figure is the image of figure A after a dilation with a scale factor of 2 and a center of (0, 0)

Travka [436]

Answer:

Step-by-step explanation:

it is u

4 0

3 years ago

Read 2 more answers

A(n)

lianna [129]

Answer:

Equation

Step-by-step explanation:

4 0

3 years ago

How many different sums can be made with 3 numbers?

Tanzania [10]

1 sum

because of the commutative property of addition
a+b=b+a
we can furthuer expand it

a+b+c=a+c+b=b+a+c=b+c+a=c+b+a=c+a+b

same sum
you can test it with numbers

4 0

3 years ago