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stich3 [128]
3 years ago
5

b) What is the sum of the exterior angles of the equilateral triangle ∠M + ∠R + ∠X? Explain your reasoning. (2 points)

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0

120 degrees is anwser because 180-60 is 120 you know the angles of triangle are 60 because it is an equateral triangle

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A car covers 350 kilometre in 5 hours, how much distance does it cover in 7 hours?​
Firdavs [7]

Answer:

490 km

Step-by-step explanation:

350 km in 5 h

350 ÷ 5 = 70 km in an hour

70 × 7 = 490 km in 7 hours

5 0
3 years ago
The value of an antique car is modeled by the function V(x)=107,000(1.009)^
drek231 [11]
To get a percent rate, let the value of the car based on two consecutive years. The variable x represents a year. You can set any two numbers of year as long as they are consecutive; say x = 0 and x = 1.

Use the calculator to get instantly the values of V(x).
For V(x = 0)
V(x = 0) = 107,000(1.009)^[2/3(0)] = 107,000

For V(x = 1)
V(x - 1) = 107,000(1.009)^[2/3(1)] = 107,641

Another way of getting the percentage between two values is called the "relative change."
(107,641 - 107,000) / 107,000 = 0.0060 = 0.60%
7 0
3 years ago
Write an algebraic expression for the perimeter of the swimming pool
Pachacha [2.7K]

Answer: I don't see that you have a diagram of the swimming pool or any given side measures but assuming it is a rectangle, the algebraic expression would be 2(L+W) where L is the length and W is the width.

Step-by-Step Explanation: So when you are finding the perimeter, you are finding the length of the space surrounding something. So you would add up the length of all its sides to find it. In a rectangle, opposite sides are equal, therefore the length will be equal to the side opposite to it and the width will also be equal to the side opposite to it. So if you were to write the expression like that, you would get L+L+W+W, which can be simplified to 2L+2W, or just 2(L+W).

6 0
3 years ago
An investment earning interest at the rate of 10%, compounded continuously, will double in t years. Find t. Use the formula , wh
Andre45 [30]

Answer:

I have attached the formula solved for years (or time).

We'll say principal = 100 and total = 200

Years = ln (200 / 100) / .1

Years = ln (2) / .1

Years = 0.69314718056 / .1

Years = 6.9314718056


Step-by-step explanation:


8 0
3 years ago
Kindly Answer This And Don't Waste My PTS! ☁️
GalinKa [24]

====================================

\large \sf \underline{Problems:}

  • PROBLEM NUMBER 1: Solve 5x+2=22
  • PROBLEM NUMBER 2: Solve 2x+5=12
  • PROBLEM NUMBER 3: Solve 2x-5=7

====================================

\large \sf \underline{Answers:}

\large \qquad \qquad \bold{ \#1. \: x \:  =  \: 4}

\large \qquad \qquad \bold{ \#2. \:  x  \: =  \: \frac{7}{2} }

\large \qquad \qquad \bold{ \#3. \: x \:  =  \: 6}

====================================

\large \sf \underline{Solutions:}

<h3>Problem Number 1:-</h3>

  • \large\rm{5x \:  +  \: 2 \:  =  \: 22}

  • \large\rm{5x \:  =  \: 22 \:  -   \: 2}

  • \large\rm{5x \:   =  \: 20}

  • \large\rm{x \:  =  \:  \frac{20}{5} }

  • \large\rm\green{x \:  =  \: 4}

\therefore The answer of you're problem is x = 4.

====================================

<h3>Problem Number 2:-</h3>

  • \large\rm{2x \:  +  \: 5 \:  =  \:   12}

  • \large\rm{2x \:  =  \: 12 \:  -  \: 5}

  • \large\rm{2x \:   =   \: 7}

  • \large\rm\green{x \:  =  \:  \frac{7}{2} }

\therefore The answer of you're problem is 7/2.

====================================

<h3>Problem Number 3:-</h3>

  • \large\rm{2x \:  -  \: 5 \:  =  \: 7}

  • \large\rm{2x \:  =  \: 7 \:  +  \: 5}

  • \large\rm{2x \:  =  \: 12}

  • \large\rm{x \:  =  \:  \frac{12}{2} }

  • \large\rm\green{x \:  =  \: 6}

\therefore The answer of you're problem is x = 6.

====================================

Hope this helps!

4 0
2 years ago
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