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Elena L [17]
3 years ago
9

If you spend $4.79. in how many ways can you receive change from a five-dollar bill?

Mathematics
1 answer:
ladessa [460]3 years ago
8 0

Answer:

9 ways

Step-by-step explanation:

Here are the combinations:

Start with dimes (10), change with dimes (10) would be (10, 10, 1), (10, 5,5,1), (10, 5, 6), (10, 11)

With nickels (5), change would be (5,5,5,5,1), (5,5,5,6), (5,5,11), (5,16)

With pennies (1) it would be (21)

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The sum of two numbers is 30. The difference of twice the larger number and three times the smaller number is 5. What is the pos
natali 33 [55]
Let’s give these two numbers variables
Let ‘a’ be the larger number
Let ‘b’ be the smaller number

Now from the question we know:
a + b = 30 or a = 30 - b
2a - 3b = 5

Now, let’s plug the first equation into the second to find ‘b’:

2(30 - b) - 3b = 5
60 - 2b - 3b = 5
60 - 5b = 5
55 = 5b
b = 11

Now we solve for ‘a’:
a = 30 - b
a = 30 - 11
a = 19

Now the question asks for the positive difference between the two numbers, so:
a - b = ?
19 - 11 = 8

Hope this helps!


5 0
3 years ago
Write<br> (b^4)^2 without exponents
Anna35 [415]

Answer:

b^8

Step-by-step explanation:

(a^m)^n=a^(m*n)

(b^4)^2=b^(4*2)=b^8

4 0
2 years ago
Which of the following best describe the term definition
Mars2501 [29]
I would say it’s c.
D is wrong cause definitions are proven right all the time.
B is wrong because a definition is not an arrangement of deductions
A is wrong because it says that the statement is not defined when it is.
6 0
3 years ago
Read 2 more answers
What's 454.895 rounded to the nearest cent?????? Please help me!! I just want to make sure I got the answer right.
Nastasia [14]
454.90, the 5 makes the 9 go up which in turn makes the 8 also go up.
3 0
3 years ago
Rectangle ABCD has vertices at A(-1,1), B(2,1), C(2,-5), and D(-1,-5). What is the perimeter of rectangle
Drupady [299]

Answer:

The perimeter of the rectangle is 18 units.

Step-by-step explanation:

The image included below presents the location of the points on the Cartesian plane. From Geometry we get that the perimeter (p), dimensionless, of the rectangle is the sum of its four sides. That is to say:

p = AB+BC+CD+DA (1)

Where AB, BC, CD and DA are the sides of the rectangle, dimensionless.

Each side value is found by means of the Pythagorean Theorem:

AB = \sqrt{[2-(-1)]^{2}+(1-1)^{2}}

AB = 3

BC = \sqrt{(2-2)^{2}+[(-5)-1]^{2}}

BC = 6

CD = \sqrt{(-1-2)^{2}+(5-5)^{2}}

CD = 3

DA = \sqrt{(-1-1)^{2}+[1-(-5)]^{2}}

DA = 6

And the perimeter of the rectangle is:

p = 3+6+3+6

p = 18

The perimeter of the rectangle is 18 units.

8 0
3 years ago
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