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aivan3 [116]
2 years ago
15

Montraie has a coin collection. He keeps 10 of the coins in his box, which is 20% of the collection. How many total coins are in

his collection?
Mathematics
1 answer:
jek_recluse [69]2 years ago
4 0

By definition of percentages, we conclude that Montraie has 10 coins saved in his box that come from a collection with a total of 50 coins.

<h3>How to calculate the quantity of coins in a collection</h3>

In this question we know the quantity of coins in a box and such coins are part of the <em>coin</em> collection. By definition of percentage we have the <em>total</em> quantity of coins in the collection:

x = 10*(100/20)

x = 50

By definition of percentages, we conclude that Montraie has 10 coins saved in his box that come from a collection with a total of 50 coins.

To learn more on percentages: brainly.com/question/13450942

#SPJ1

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Factor the expression to write an equivalent expression for 49x+14. Example: make it look like this. 2(2x+4)
grigory [225]

Answer:

7(7x + 2)

Step-by-step explanation:

when distributed it will be 49x + 14

7 0
3 years ago
PLEASE HELP ASAP
BaLLatris [955]

The value k needed for the transformation of f(x) to g(x) = f(k · x) is equal to 3.056.

<h3>How to find the find the dilation factor</h3>

In this problem we have the following relationship bewteen the two <em>quadratic</em> equations: g(x) = f(k · x), which means that for all y the following relationship between f(x) and g(x):

k = \frac{x_{g}}{x_{f}}

Let suppose that y = 3, then x_{f} = - 5.5 and x_{g} = - 1.8, then the value k is:

k = (- 5.5)/(- 1.8)

k = 3.056

The value k needed for the transformation of f(x) to g(x) = f(k · x) is equal to 3.056.

To learn more on transformations: brainly.com/question/11709244

#SPJ1

6 0
2 years ago
PLEASE PLEASE PLEASE PLEASE PLEASE HELP! ANSWER WORTH 20 POINTS! I need answers ASAP!
timurjin [86]

Answer:

8.66

Step-by-step explanation:

root 75 is also 5 root 3 (after simplifying)

when that is converted into a decimal we get

8.660254038...

Rounding to the nearest hundred of that number we focus on these two numbers

8.6<u><em>60</em></u>254038...

As a result to the nearest hundreth is 8.66

3 0
3 years ago
Question 6 options: What is the approximate area of a circle with a diameter of 56 cm? Use your calculator button for π. Round y
Andrew [12]

The area of circle is 2463.0086 cm².

Step-by-step explanation:

Given,

Diameter of circle = 56 cm

Radius of circle = \frac{Diameter}{2}

Radius of circle = \frac{56}{2}=28\ cm

We know that;

Area of circle = \pi r^2

Area of circle = \pi *(28)^2

Area of circle = π * 784

Area of circle = 2463.00864041 cm²

Rounding off to four decimal places

Area of circle = 2463.0086 cm²

The area of circle is 2463.0086 cm².

Keywords: area, circle

Learn more about area at:

  • brainly.com/question/11416224
  • brainly.com/question/11638377

#LearnwithBrainly

8 0
3 years ago
What is standard form for 6.43999001 x 10^8
Romashka [77]
6.43999001  
1st  you move the decimal 8 times to your right 
once you are done moving the decimal you should end up with a whole number 
you answer is (643, 999, 001)
5 0
2 years ago
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