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3 years ago

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Laura bought y yards of fabric on Saturday. The next day, she went back and bought 3 more yards than she did on Saturday. If eac

h yard of fabric costs $5, write an expression in simplest form for the total amount of money she spent on both days.

1 answer:

Oksanka [162]3 years ago

5 0

Answer:

(y+3)*5

im pretty sure this is correct

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-8y + 5y = 13 <br> -2x + 8y = 10 <br><br> Find answer using subsititon method

Scrat [10]

Answer:

(-67/3, -13/3)

Step-by-step explanation:

3 0

3 years ago

What’s the answer please

Lunna [17]

You could set up a ratio:
$\frac{186}{3} = \frac{x}{1}$
which then becomes:

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4 years ago

Read 2 more answers

Four times the sum of 8 and some number is 4. What is the number?

Lunna [17]

Answer:

$\Huge \boxed{\mathrm{-7}}$

$\rule[225]{225}{2}$

Step-by-step explanation:

Let the number be x.

$4(x+8)=4$

Dividing both sides by 4,

$x+8=1$

Subtracting 8 from both sides,

$x=-7$

The number is -7.

$\rule[225]{225}{2}$

3 0

3 years ago

Read 2 more answers

soldier1979 [14.2K]

Answer: c) -4

Step-by-step explanation:

Get the variables on one side of 3x+y=-2x+8 and the constants on another side:

3x+y=-2x+8

(3x+y)+2x=(-2x+8)+2x

5x+y=8

Now, multiply 5x+y=8 by -2:

-2(5x+y=8)

-10x-2y=-16

Add this equation to -3x+2y=-10:

(-10x-2y=-16)+(-3x+2y=-10)

-13x=-26

x=2

Plug x=2 into -3x+2y=-10:

-3(2)+2y=-10

-6+2y=-10

2y=-4

y=-2

Therefore, (2, -2) is the solution to the system of equations, so xy=(2)(-2)=-4

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3 years ago

Tim is remodeling his square kitchen but has forgotten the dimensions. He knows he had bought 81 square feet of tiles earlier, a

sammy [17]

Answer:

C) 36 feet

Explanation:

P(square)= 4s

s= square root of the area

$4 \times \sqrt{a} \\ a = 81 \\ 4 \times \sqrt{81} \\ 4 \times 9 \\ = 36$

4 0

3 years ago