2 years ago

Figure A is a scale image of Figure B. What is the value of x?

Mathematics

1 answer:

kari74 [83]2 years ago

8 0

The value of x is 72

Each side increased by 20%

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konstantin123 [22]

Answer:

30 m/s is the answer

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3 years ago

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Write the sum of 8x^2 - x + 4 and x - 5<br><br> Show all work

tigry1 [53]

okey

you needed the sum or division?

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2 years ago

Solve 3x^2 + 6x+15=0

Elden [556K]

Answer:

The solution of given equation is ( - 1 + 2 i ) , ( - 1 - 2 i )

Step-by-step explanation:

Given equation as :

3 x² + 6 x +15 = 0

The value of x fro the quadratic equation a x² + b x + c = 0 is obtained as

x = $\frac{-b\pm \sqrt{b^{2}-4ac}}{2a}$

So , from given eq , the value of x is now obtain as

x = $\frac{-b\pm \sqrt{b^{2}-4\times a\times c}}{2\times a}$

Or, x = $\frac{-6\pm \sqrt{6^{2}-4\times 3\times 15}}{2\times 3}$

Or, x = $\frac{\sqrt{-144} }{6}$

∴ x = ( - 1 + 2 i ) , ( - 1 - 2 i )

Hence The solution of given equation is ( - 1 + 2 i ) , ( - 1 - 2 i ) Answer

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3 years ago

Sam sells two notebooks for $3.50 each and a pen for $3. He earns a profit of $1. Sam's profit represents what percent of the to

ale4655 [162]

2x 3.50 = $7 notebook sale 1x 3.00 = $3 pen sale Total sale = $10.00 less $1.00 profit To find percentage of profit $1.00/$10.00 = .10 or 10%

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3 years ago

Y=3x + 4<br>What is the slope?

slega [8]

Answer:

Step-by-step explanation:

In a slope intercept linear equation, the slope is always the number in front of the x value in an equation like y = mx + b.

So the slope is the 3 in front of the x value.

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2 years ago