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Gwar [14]
2 years ago
9

a 1 Mrs. Erskine spent $40.50 for a pair of shoes, $56.95 for jeans, and $25.75 for a shirt. Which of the following shows two eq

uivalent expressions, using the associative property of addition, that can be used to find the amount Mrs. Erskine spent? A (40.50 + 56.95) + 25.75; 25.75 + (40.50 + 56.95) B 40.50 +(56.95 + 25.75); (40.50+ 56.95) + 25.75 C 40.50 + (56.95 + 25.75); (40.50. 56.95) + (40.50 .25.75) D (40.50 +56.95) + 25.75; (40.50 + 56.95 +25.75) • 1 o​
Mathematics
1 answer:
aivan3 [116]2 years ago
6 0

Answer:

A

Step-by-step explanation:

<h3><u>Commutative Property</u></h3>
  • (a + b) + c = c + (a + b)

<u>(40.50 + 56.95) + 25.75</u> ; <u>25.75 + (40.50 + 56.95)</u> correctly represent the situation using the commutative property.

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anyanavicka [17]

Answer:

\dfrac{3}{2}

Step-by-step explanation:

We are given 2 fractions.

1st fraction is Negative StartFraction 3 over 8

i.e.

-\dfrac{3}{8}

2nd fraction is negative one-fourth

i.e.

-\dfrac{1}{4}

We have to find the quotient when 1st fraction is divided by 2nd fraction.

<u>Definition</u> of quotient is given as:

Quotient is the result obtained when one number is divided by other number.

-\dfrac{3}{8} \div -\dfrac{1}{4} \text{ is to be calculated.}

\div is converted to \times and the 2nd fraction is reversed i.e.

if the fraction is \frac{p}{q} it becomes \frac{q}{p} and the sign \div is changed to \times.

Solving above:

-\dfrac{3}{8} \times -\dfrac{4}{1}\\ \text {Multiplication/Division of 2 negative number gives a positive number}\\\Rightarrow \dfrac{3}{2}

So, the quotient is \frac{3}{2}.

6 0
3 years ago
100000000000005654 divided by 8
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Answer:

1.25E16

Step-by-step explanation: calculator

5 0
3 years ago
Find two numbers whose sum is -2 and whose difference is -6.
navik [9.2K]

Step-by-step explanation:

x+y=-2

x-y=-6

x=-2-y

(-2-y)-y=-6

-2-2y=-6

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y=2

x=-4

8 0
3 years ago
Read 2 more answers
Tiffany sells musical instruments and equipment at Let It Rock in the mall. She earns a commission of 5% on the first $6,000, 7.
gayaneshka [121]

Answer:

$800

Step-by-step explanation:

5% × 6000 = $350

14640 - 6000 = $8640

7.5% × 6000 = $450

8640 - 6000 = $2640

350 + 450 = $800

7 0
3 years ago
Plzz help me I need helpp
Ilya [14]

Answer:

-1.32-34.7= -36.02

Step-by-step explanation:

A negative minus a negative will always give you another negative.

So, to do this quickly just see this equation "-1.32-34.7" as this equation "1.32+34.7" and add a negative once you've finished.

1.32+34.7= 36.02

Now add the negative.

-36.02

3 0
3 years ago
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