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3 years ago

A FIGURE HAS AN AREA OF 50 UNITS.WHAT WILL THE NEW AREA BE AFTER A DILATION WITH SCALE FACTOR OF 3

Mathematics

1 answer:

xenn [34]3 years ago

6 0

Answer:

150 units

Step-by-step explanation:

50 x 3 = 150

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3 years ago

Read 2 more answers

Ac method for x^2+20x-8=0

yanalaym [24]

<h2>Explanation:</h2><h2></h2>

By using quadratic formula:

$x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

$\quad a=1,\:b=20,\:c=-8$

$x_{1,\:2}=\frac{-20\pm \sqrt{20^2-4\cdot \:1\left(-8\right)}}{2\cdot \:1}$

$x=\frac{-20+\sqrt{20^2-4\cdot \:1\left(-8\right)}}{2\cdot \:1}:\quad 2\left(3\sqrt{3}-5\right)$

$x=\frac{-20-\sqrt{20^2-4\cdot \:1\left(-8\right)}}{2\cdot \:1}:\quad -2\left(5+3\sqrt{3}\right)$

So the solutions are:

$\boxed{x=2\left(3\sqrt{3}-5\right),\:x=-2\left(5+3\sqrt{3}\right)}$

5 0

3 years ago

A student bought a juice pouch forn$2.50 and 3 bags of chips. The total cost was $5.05.Write and solve an equation to determine

Oksana_A [137]

Answer:

The cost of a bag of chips is $c=\$0.85$

Step-by-step explanation:

Let

c ----> the cost of a bag of chips

we know that

The cost of a juice pouch ($2.50) plus the cost of 3 bags of chips must be equal to $5.05

The cost of 3 bags of chips is equal to multiply 3 by its cost c

The linear equation that represent this situation is

$2.50+3c=5.05$

solve for c

Subtract 2.50 both sides

$3c=5.05-2.50$

$3c=2.55$

Divide by 3 both sides

$c=2.55/3$

$c=\$0.85$

7 0

3 years ago