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3 years ago

9

mr. and mrs. baker place 12- inch rulers along the length of a rug . they each line up 3 rulers along the edge of the rug . what

is the length of the rug

2 answers:

Darya [45]3 years ago

4 0

36 inches, 3 feet, or 1 yard (they are all the same)

r-ruslan [8.4K]3 years ago

3 0

Each ruler is 12 inches so 12 times 3 is 36

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A jar is filled with only dimes and quarters. The jar contains a total of 60 coins and the value of the jar is $11.25. How many

inessss [21]

Answer:

35 quarters

Step-by-step explanation:

This situation has two unknowns - the total number of dimes and the total number of quarters. Because we have two unknowns, we will write a system of equations with two equations using the two unknowns.

$d+q=60$ is an equation representing the total number of coins
$0.10d+0.25q=11.25$ is an equation representing the total value in money based on the number of coin. 0.10 and 0.25 come from the value of a dime and quarter individually.

We write the first equation in terms of q by subtracting it across the equal sign to get $d=60-q$ . We now substitute this for d in the second equation.

$0.10(60-q)+0.25q=11.25\\6-0.10q+0.25q=11.25\\6+0.15q=11.25$

After simplifying, we subtract 6 across and divide by the coefficient of q.

$6+0.15q=11.25\\0.15q=5.25\\q=35$

We now know of the 60 coins that 35 are quarters. To find the total value of the quarters, we multiply 35 by 0.25 and find 8.75.

3 0

3 years ago

What is 3 to the power of 3 over 2 equal to?

ddd [48]

27/2. 3x3x3 is 27. .

5 0

3 years ago

Read 2 more answers

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adell [148]

$5x^{2} \times (x - 4) = 0 \\ x^{2} \times (x - 4) = 0 \\ {x}^{2} = 0 \: x = 0 \\ x - 4 = 0 \: x = 4$

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3 years ago

Math 64 times40 eaquels 2.56

UkoKoshka [18]

Answer:

Wrong. It equals 2560.

Step-by-step explanation:

<h2><u><em>PLEASE MARK AS BRAINLIEST!!!!!</em></u></h2>

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2 years ago

6n-24= The coefficient term

kvasek [131]

what r we doing this question to(*・～・*)

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2 years ago