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ladessa [460]
3 years ago
9

a pile of coins, consisting of dimes and quarters only, is worth 4 dollars and 55 cents. there are 7 more dimes than quarters in

the pile. find the number of quarters and dimes.
Mathematics
1 answer:
Lady_Fox [76]3 years ago
7 0

11 quarters and 18 dimes

Hope this helps! :D

You might be interested in
Solve: 3 x ≤ 6 how do I do this plz help
timama [110]

Answer:

  x ≤ 2

Step-by-step explanation:

Most of the properties of equality also apply to inequalities. The exception is multiplication (or division) by a negative number. An equation can be multiplied or divided by any number you like (except division by 0) and it will remain true. <em>An inequality must have the relation symbol reversed when multiplying or dividing by a negative number</em>.

Here, we don't run into that issue, because we can solve this by dividing both sides by the coefficient of x, which is +3.

  (3x)/3 ≤ 6/3

  x ≤ 2 . . . . . . . simplify

3 0
3 years ago
Lisa drove 819 miles 13 hours. At the same rate, how long would it take her to drive 504 miles?
Damm [24]

Answer:

The answer is

<h2>8 hours</h2>

Step-by-step explanation:

To solve this question we use ratio and proportion

From the question

Lisa drove 819 miles for 13 hours

If for Lisa drove 819 miles for 13 hours

Then for 504 miles she will drive

<h2>\frac{504  \times  13}{819}  =  \frac{6552}{819}</h2>

We have the final answer as

<h3>8 hours</h3>

Hope this helps you

8 0
4 years ago
A town has a population of 13,000 and grows at 5% every year what will the population be after 11 years to the nearest whole num
scoray [572]
This question is based on the concept of
amount of interest. Therefore, 22,234 would be
the population after 11 years, to the nearest
whole number.
Given:
A town has a population of 13000 and grows at
5% every year.
We need to determined the population after 11
years, to the nearest whole number.
We know that,
Formula =A = P(1+ r)
Where, p be the population. r is the rate and t is
the time.
P= 13000,
r= 5%
†= 11
Now put all these values in formula.
We get,
5
A = 13000(1 +
A
= 13000(1 + 0.05)11
A
= 1300022, 234.41(0.95)
5 0
2 years ago
How do I work this math problem?<br> (9 x 10 to the sixth power) (8 x 10 negative 4 power?
Kamila [148]
90^6=531441000000

80^-4= 1/80^4= 1/4960000
For this, use negative power rule x^-a= 1/x^a
7 0
3 years ago
What is the exact distance from (-5, 1) to (3,0)? (4 points)
frez [133]

Answer:

The exact distance is √65 units

Step-by-step explanation:

To solve this problem we first have to make the difference between (-5, 1) and (3, 0)

(3 , 0) - (-5 , 1) =

3 - (-5) = 8

0 - 1 = -1

(8 , -1)

Now that we have the distance in x and r we can use Pythagoras to calculate the distance of the diagonal

a = 8

b = -1

h² = a² + b²

h² = 8² + (-1)²

h² = 64 + 1

h² = 65

h = √65

The exact distance is √65 units

4 0
3 years ago
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