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3 years ago

1\2+ 1/4 rasultado y explicasion

Mathematics

2 answers:

ycow [4]3 years ago

7 0

Answer:

$\frac{3}{4}$

Step-by-step explanation:

Simplemente agregue usando la calculadora y debería obtener esta respuesta. ;)

goldenfox [79]3 years ago

4 0

I think it’s .75. Or like someone said 3/4

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For what values of x is x2-36=5x true? 0 -9 and -4 O4 and 9 O4 and -9 o 9 and 4

mars1129 [50]

Answer:

-4 and 9

Step-by-step explanation:

we have

$x^{2} -36=5x$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

$x^{2} -36=5x$

$x^{2}-5x-36=0$

$a=1\\b=-5\\c=-36$

substitute in the formula

$x=\frac{-(-5)(+/-)\sqrt{-5^{2}-4(1)(-36)}} {2(1)}$

$x=\frac{5(+/-)\sqrt{169}} {2}$

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$x=\frac{5(+)13} {2}=9$

$x=\frac{5(-)13} {2}=-4$

therefore

The equation is true for -4 and 9

4 0

3 years ago

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kirza4 [7]

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3 years ago

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Jack Matthew bought a new diamond ring for $20,000. Sales tax is 5% with a 10% excise tax. The total price including taxes that

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Jack paid $ 23000 for the ring.

Solution:

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To find: total price including taxes

Given that sales tax is 5% of 20,000

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Total price = cost price + sales tax + excise tax

Total price = 20,000 + 1000 + 2000

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4 years ago

Geneva treated her parents to dinner at their favorite restaurant the bill was $74.25 Geneva wants to leave 16% of the total tip

Tanya [424]

Answer: The tip would be $11.88.

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1\2+ 1/4 rasultado y explicasion​

1\2+ 1/4 rasultado y explicasion