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Rainbow [258]
3 years ago
9

A. Simplify the equation that represents the value of the coins. Make it an equation that expresses the value of quarters, dimes

, and nickels. B. Is it possible to have exactly 60 pennies in $1.87? Explain.
Mathematics
1 answer:
sp2606 [1]3 years ago
3 0
There is a total of 13 combinations.
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The cost of 5 pens is $140.50. What is the cost of 1 pen?
nydimaria [60]

Answer:

28.1

Step-by-step explanation:

140.50/5

These are some expensive pens

5 0
3 years ago
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Carol’s last credit card statement said that she had an account balance of -$130. Which of the following accounts balances repre
PtichkaEL [24]

A and B show greater balances

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3 years ago
The sum of two non-zero numbers a and b equals the sum of their reciprocals. If a+b≠0, what is the product of the two numbers?
Vadim26 [7]

Answer:

ab = 1

Step-by-step explanation:

A Reciprocal of a number is a number which when multiplied by the original number yields the multiplicative number, 1.

So the reciprocal of x would be x⁻¹ or ¹⁄ₓ

The information we are given states that the sum of the two non-zero numbers a and b equals the sum of their reciprocals.

So we can write this into an equation and solve,

(See image)

Once we solve, we get the equation (ab-1)(a+b) = 0

We are given info that a+b≠0

So for the above equation to be true, ab-1 has to equal 0

For <em>this</em> to be true, the product ab must equal 1

7 0
3 years ago
Order the side lengths from least to greatest
Liula [17]

Answer:

BC < CE < BE < ED < BD

Step-by-step explanation:

In the triangle BCE,

m∠BEC + m∠BCE + m∠CBE = 180°

m∠BEC + 81° + 54° = 180°

m∠BEC = 180 -  135

m∠BEC = 45°

Order of the angles from least to greatest,

m∠BEC < m∠CBE > mBCE

Sides opposite to these sides will be in the same ratio,

BC < CE < BE ----------(1)

Now in ΔBED,

m∠BEC + m∠BED = 180°

m∠BED = 180 - 45

             = 135°

Now, m∠BDE + m∠BED + DBE = 180°

11° + 135°+ m∠DBE = 180°

m∠DBE = 180 - 146

             = 34°

Order of the angles from least to greatest will be,

∠BDE < ∠DBE < ∠BED

Sides opposite to these angles will be in the same order.

BE < ED < BD ----------(2)

From relation (1) and (2),

BC < CE < BE < ED < BD

7 0
3 years ago
Arrange the following in ascending order: 0.1 , 0.36 , 4 and 0.72​
zysi [14]

Answer:

0.1, 0.36, 0.72, 4

Step-by-step explanation:

3 0
3 years ago
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