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3 years ago

Harley bought some fabric for $3.50 per yard. If she bought 3 yards, how much did the fabric cost

Mathematics

1 answer:

Verizon [17]3 years ago

4 0

$3.50 X 3 yards = $10.5

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Sistema de ecuaciones.5x+2y=-152x-2y=-6

Zolol [24]

Tnemos el sisema de ecuaciones:

$\begin{gathered} 5x+2y=-15 \\ 2x-2y=-6 \end{gathered}$

Podemos resolverlo por eliminación sumando ambas ecuaciones y eliminando y. Asi podemos resolver para x:

$\begin{gathered} (5x+2y)+(2x-2y)=(-15)+(-6) \\ 7x+0y=-21 \\ x=-\frac{21}{7} \\ x=-3 \end{gathered}$

Ahora podemos resolver para y con cualquiera de las dos ecuaciones:

$\begin{gathered} 2x-2y=-6 \\ 2\cdot(-3)-2y=-6 \\ -6-2y=-6 \\ -2y=-6+6 \\ -2y=0 \\ y=0 \end{gathered}$

Respuesta: x=-3, y=0

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9 months ago

Select the correct answer.

Crazy boy [7]

check the picture below.

now, if we split that triangle like so with that red line, we can use the right-triangle there, to get θ.

$\bf tan(\theta )=\cfrac{\stackrel{opposite}{3}}{\stackrel{adjacent}{3}}\implies tan(\theta )=1\implies tan^{-1}(\theta )=tan^{-1}(1)\implies \measuredangle \theta =\cfrac{\pi }{4}$

8 0

2 years ago

(1,-7); slope=-1 whats the answer please

Anettt [7]

Slope = -1

and it goes through (1, -7)

7 0

2 years ago

The youth group is going on a trip to the state fair. The trip costs $52. Included in that price in $11 for a concert ticket and

Cerrena [4.2K]

Answer:

52 = 2x + 11

x = 20.5

Step-by-step explanation:

52 is the total

the 2 passes cost the same price therefore have the same, like, term: x.

11 is the cost of one concert ticket.

mix them in a mixing bowl and done!

52 = 2x + 11

using linear equations do the equation to figure out x.

x = 20.5

--------------------------------------------------------------------------------

6 0

2 years ago

Read 2 more answers

A club had a total of $1,520.50 in its bank account . At a budget meeting they decide to set aside 0.12 times the total amount t

marshall27 [118]

A club had a total of $1,520.50 in its bank account .

At a budget meeting they decide to set aside 0.12 times the total amount to travel.

so we have to find 0.12 times of $1,520.50

0.12 * 1520.50=182.46

so they will set aside $182.46 to travel

4 0

3 years ago