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3 years ago

Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation.

Mathematics

2 answers:

Crank3 years ago

3 0

Answer:

Model the problem with algebra tiles. Then use the model to write an algebraic expression that represents the situation.

Cammie ran three times as far.

The situation can be modeled with algebra tiles by

✔ three orange x tiles

The situation can be represented as an algebraic expression as

✔ 3x

Step-by-step explanation:

Hope this helps!!

ig- crochetsbyandrea

aniked [119]3 years ago

3 0

Answer:

1 three orange x tiles

2 3x

Step-by-step explanation:

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Point A is the incenter of DEF. What is the value of n? A. 7 B. 11 C. 14 D. 15

ss7ja [257]

Answer:

B.11

Step-by-step explanation:

It's 27 degrees so,

3 times 11 is 33 and 33 - 6 is 27

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3 years ago

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Jeff has $1.35 in nickles and dimes. He has a total of 15 coins. How many of each coin does he have?

dlinn [17]

For this case we propose a system of equations.

We know that a dime equals 10 cents and a nickel equals 5 cents.

So:

x: Let the variable that represents the number of dimes

y: Let the variable that represents the number of nickels

According to the statement we have:

$x + y = 15\\0.10x + 0.05y = 1.35$

We multiply the first equation by -0.10:

$-0.10x-0.10y = -1.5$

We have the following equivalent system:

$0.10x + 0.05y = 1.35\\-0.10x-0.10y = -1.5$

We add the equations:

$0.10x-0.10x + 0.05y-0.10y = 1.35-1.5\\-0.05y = -0.15\\y = \frac {-0.15} {- 0.05}\\y = 3$

So, Jeff has 3 nickels

$x + y = 15\\x + 3 = 15\\x = 15-3\\x = 12$

Jeff has 12 dimes.

Answer:

12 dimes and 3 nickels

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3 years ago

- If you divide a number by four and then add six, you get eighteen. What is the number?

stiks02 [169]

Answer:

Step-by-step explanation:

Create an equation to represent this, where x is the unknown number.

$\frac{x}{4}$ + 6 = 18

Solve for x, by first subtracting 6 from both sides:

$\frac{x}{4}$ = 12

Multiply each side by 4:

x = 48

So, the number is 48

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malfutka [58]

171/500....... is the answer

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2 years ago

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12) Which graph represents the solution for the equation-x-1=-x+ 2?

antiseptic1488 [7]

Answer:

Find the graph that has (2,0)

Step-by-step explanation:

$\frac{1}{2}x -1=-x+2$

+ x +x

$\frac{3}{2}x - 1 = 2$

$2(\frac{3}{2}x - 1 = 2)$

3x - 2 = 4

+ 2 + 2

3x = 6

/3 /3

x = 2

Your image is blurry, but the point that has (2,0)

Hope that helps!

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