WhicWhich of the following statements uses the multiplicative identity?

Mathematics

2 answers:

sineoko [7]3 years ago

8 0

Your 4th option would be ur correct one

Bad White [126]3 years ago

5 0

Your 4th option, -8 + 0 = -8h

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Madi has $8.80 in pennies and nickels.

shepuryov [24]

Let p = number of pennies.
Let n = number of nickels.

We are given that n= 2p and the total value is $8.80.

We know that a penny = $0.01 and that a nickel = $0.05.

So $0.01p + $0.05n = $8.80.

Substitute 2p for n:
$0.01p + $0.05*2p = $8.80

$0.01p + $0.10p = $8.80

$0.11p = $8.80

p = 80
So n = 2p = 2*80 = 160

Thus there are 80 pennies ($0.8) and 160 nickels ($8.00). The value of all the coins is $8.80.

7 0

3 years ago

Wewaii [24]

Answer:

1. 648

2. 81

Step-by-step explanation:

6 * 6 * 6 * 3 = 648

3 * 3 * 3 * 3 = 81

5 0

3 years ago

Multipy (8 - 3i)(2 - 7i) =

Karo-lina-s [1.5K]

(8 - 3i)(2 - 7i)=
16 x -56i - 6i + 21i^2
16 x -50i - 21

8 0

3 years ago

Read 2 more answers

What is the value of 12C4? A. 3 B. 48 C. 495 D. 11,880

mars1129 [50]

The answer to this is C

8 0

3 years ago

Read 2 more answers

What is the value of x? 3/5x – 1/3 x = x – 1

Aleks04 [339]

The first step to solving this is to multiply both sides of the equation by 15.
9x - 5x = 15x - 15
Collect all of the like terms on the left side of the equals sign.
4x = 15x - 15
Move the variable to the left side of the equation and change its sign.
4x - 15x = -15
Now collect the like terms on the left side of the equation for the second time.
-11x = -15
Lastly,, divide both sides of the equation by -11 to get your final answer.
$\frac{15}{11}$
This means that the correct answer to your question is $\frac{15}{11}$ ,, or 1 $\frac{4}{11}$ simplified.
Let me know if you have any further questions
:)

6 0

3 years ago