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3 years ago

Divide 5/6 dived by -2/3

Mathematics

1 answer:

svet-max [94.6K]3 years ago

8 0

Answer:

-5/4

Step-by-step explanation:

first you have to know that in these types of questions when you try to divide you turn the second fraction and multiply with the first one:

5/6.3/-2= -15/12

when we divide this by 3 the answer will be -5/4

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The reflexive property of congruence allows you to say that RST=____

weqwewe [10]

Answer:

The reflexive property of congruence allow us to say that RST = RST .

Option (C) is correct .

Step-by-step explanation:

Definition of Reflexive Property of congurence

The meaning of Congruence is figure has the same size and shape. If you were comparing something to itself, then it definitely have the same size and shape this is called Reflexive Property of congurence .

By using Reflexive property of congurence .

RST = RST

Therefore reflexive property of congruence allow us to say that RST = RST .

Option (C) is correct .

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Write 100 times 100 as multiplying 10 to a power by 10 to a power.

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Answer:

the answer is 10,000^10

Step-by-step explanation:

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3 years ago

Find all complex solutions of X^2-5X -5= 0

denis-greek [22]

ANSWER

$x = \frac{ 5 - 3\sqrt{ 5} }{2} \: or \: x = \frac{ 5 +3 \sqrt{ 5} }{2}$

EXPLANATION

The given equation is

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

The solution is given by the formula

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

where a=1, b=-5, c=-5

We substitute into the formula to get;

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

We simplify to get,

$x = \frac{ 5 \pm \sqrt{ 45} }{2}$

The solutions are:

$x = \frac{ 5 - 3\sqrt{ 5} }{2} \: or \: x = \frac{ 5 +3 \sqrt{ 5} }{2}$

The equation has no complex roots.

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3 years ago

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A rectangle has a length of 2x+3 and a width of 10x-4. Find the perimeter and area of the figure

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Step-by-step explanation:

perimeter is 4x+6 +20x-8=20x-2

area is 20x^2+22x-12

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