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Ostrovityanka [42]
3 years ago
11

A collection of dimes and quarters has a total value of five dollars and contains 29 coins. How much of each kind of coin are th

ere in the collection?
A. 15 dimes and 14 quarters
B. 14 dimes and 15 quarters
C. 10 dimes and 19 quarters
D. 19 dimes and 10 quarters
Mathematics
1 answer:
hjlf3 years ago
3 0
A quarter and a dime are equal to 25 cents and 10 cents, respectively. Let x and be the number of quarter and dime coins. The equations that best expressed the condition are,
                                         x + y = 29
                                   0.25x + 0.10y = 5

The values of x and y are equal to x = 14 and y = 15. Thus, the answer is letter A. 15 dimes and 14 quarters. 
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Explain how to modify the graphs of f(x) and g(x) to graph the solution set to the following system of inequalities. How can the
Norma-Jean [14]

The graphs of f(x) and g(x) are transformed function from the function y = x^2

The set of inequalities do not have a solution

<h3>How to modify the graphs</h3>

From the graph, we have:

f(x) = x^2 -3 and g(x) = -x^2 +2

To derive y < x^2 - 3, we simply change the equality sign in the function f(x) to less than.

To derive y > x^2 + 2, we perform the following transformation on the function g(x)

  • Shift the function g(x) down by 2 units
  • Reflect across the x-axis
  • Shift the function g(x) down by 3 units
  • Change the equality sign in the function g(x) to greater than

<h3>How to identify the solution set</h3>

The inequalities of the graphs become

y < x^2 - 3 and y > x^2 + 2

From the graph of the above inequalities (see attachment), we can see that the curves of the inequalities do not intersect.

Hence, the set of inequalities do not have a solution

Read more about inequalities at:

brainly.com/question/25275758

7 0
2 years ago
Here’s the question!!!
ludmilkaskok [199]

Answer:

The answer is 3/4 because 2/4 + 1/4 = 3/4.

7 0
2 years ago
Tim's mother is 32 years old. she is 4 times as old as tim. what equation could be used to find tim's age
bija089 [108]
32= 4x

That would be the equation and x would then be 8
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6 0
2 years ago
Write each of the following numerals in base 10. For base​ twelve, T and E represent the face values ten and​ eleven, respective
elena-s [515]

Answer:

  a. 37

  b. 25

  c. 226

Step-by-step explanation:

Place value has the same meaning in any other number base that it has in base 10. Using expanded form is one way to do the required base conversion.

a. 122₅ = 1×5² +2×5¹ +2×5⁰

   = 25 +10 +2 = 37

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b. 11001₂ = 1×2⁴ +1×2³ +0×2² +0×2¹ +1×2⁰

   = 16 +8 + 1 = 25

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c. 16T₁₂ = 1×12² +6×12¹ +10×12⁰

   = 144 +72 +10 = 226

8 0
3 years ago
15 is 10 % of what number
Len [333]

15*10=150

15 is 10% of 150

4 0
2 years ago
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