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Anna11 [10]
3 years ago
13

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Mathematics
1 answer:
yanalaym [24]3 years ago
5 0

Answer:

10 ways

Step-by-step explanation:


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Find the selling price of a book with an original price of $49.95 and a 5% tax rate.please be specific on how the answer is the
borishaifa [10]

Step-by-step explanation:

$52.45

49.95×.05

then add that result to 49.95= answer

3 0
3 years ago
The area of a circular wave expands across a still pond such that its radius increases by 14 cm each second. Write a formula for
lara31 [8.8K]

Answer:

A = π(14t)²

Step-by-step explanation:

The radius is increasing at the rate of 14 cm per second.

We need to find the formula for the area A of the circle as the function of time t.

Initial area of the circle,

A = πr², where r is the radius of the circle

Area as a function of t will be :

A = π(14t)²

Here, 14t is the radius of the wave.

4 0
3 years ago
Find the values of f(x) = 8x²-1 for the domain values {-2,5} (input answers from least to greatest}
Whitepunk [10]

Answer:

So i just used the calculator to help me find the two co exisiting lines and then worked my way up to find the nearest decimal to fit the equation for the missing parablar length which was parallel to find the cointerior angle which lead me to get a decimal number involving an ordinary form number.

7 0
2 years ago
What is the solution set for this inequality
Zanzabum

Answer:

Letter c po sorry nasa daan po kasi ako kaya di po ako makakapag explain

Step-by-step explanation:

Sorry po talaga pero sigurado po ako sa sagot ko

4 0
3 years ago
Explain why any of the four operations placed between two terms 5 and -3 sqrt (8) will result in an irrational number
Gnoma [55]

Sum/difference:

Let

x = 5 + (-3\sqrt{8}) = 5-3\sqrt{8}

This means that

3\sqrt{8} = 5-x \iff \sqrt{8} = \dfrac{5-x}{3}

Now, assume that x is rational. The sum/difference of two rational numbers is still rational (so 5-x is rational), and the division by 3 doesn't change this. So, you have that the square root of 8 equals a rational number, which is false. The mistake must have been supposing that x was rational, which proves that the sum/difference of the two given terms was irrational

Multiplication/division:

The logic is actually the same: if we multiply the two terms we get

x = -15\sqrt{8}

if again we assume x to be rational, we have

\sqrt{8} = -\dfrac{x}{15}

But if x is rational, so is -x/15, and again we come to a contradiction: we have the square root of 8 on one side, which is irrational, and -x/15 on the other, which is rational. So, again, x must have been irrational. You can prove the same claim for the division in a totally similar fashion.

7 0
3 years ago
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