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2 years ago

your family's resturant bill was $38.55. your parents are leaving a 20% tip. how much is the grand total of your resturant bill?

Mathematics

2 answers:

olganol [36]2 years ago

3 0

Step-by-step explanation:

20:100=x:$38.55

x=20×$38.55/100=7,71

crimeas [40]2 years ago

3 0

Answer:

$7.71

Step-by-step explanation:

38.55 X .2 = 7.71

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The possible outcomes for tossing a coin four times are shown below.

valentinak56 [21]

Step-by-step explanation:

The probability of getting exactly four heads is 1/16.

There are 16 different posible outcomes and only 1 is all heads.

That makes the answer 1 out of 16 or 1/16.

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2 years ago

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If g(x)=2(x-4), find the value of x if g(x)=20

kherson [118]

Answer:

3) 14

Step-by-step explanation:

in the given equation replace the "g(x)" with the provided "20"

20=2(x-4) solve as usual

divide each side by 2

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add 4 to each side

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the value of x is 14

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3 years ago

Which one would it be?

KATRIN_1 [288]

By AAS congruency the two triangles are congruent

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3 years ago

How many repeating digits are in 0.536

creativ13 [48]

There are 3 repeating digits in 0.536 because there are 3 numbers behind the decimal

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3 years ago

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Please help!! thank you.

Zina [86]

(A) Product of $-2x^{3}+x-5$ and $x^{3}-3x-4$ is:

$(-2x^{3}+x-5)(x^{3}-3x-4)$

$=-2x^{3}(x^{3}-3x-4)+x(x^{3}-3x-4)-5(x^{3}-3x-4)$

$=(-2x^{3})(x^{3})+(-2x^{3})(-3x)+(-2x^{3})(-4)+x(x^{3})+(x)(-3x)+(x)(-4)+(-5)(x^{3})+(-5)(-3x)+(-5)(-4)$

$=-2x^{6}+6x^{4}+8x^{3}+x^{4}-3x^{2}-4x-5x^{3}+15x+20$

$=-2x^{6}+6x^{4}+x^{4}+ 8x^{3}-5x^{3}-3x^{2}-4x+15x+20$

$=-2x^{6}+7x^{4}+3x^{3}-3x^{2}+11x+20$

(B) Yes.

Product of $-2x^{3}+x-5$ and $x^{3}-3x-4$ = Product of $x^{3}-3x-4$ and $-2x^{3}+x-5$ because multiplication is commutative.

Commutative Property of multiplication says that a.b = b.a.

Thus, multiplication is same irrespective of the order of two numbers.

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3 years ago