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3 years ago

Does anyone know the answer to this? I’m taking a quiz that I can’t afford to fail

Mathematics

1 answer:

love history [14]3 years ago

4 0

Answer:

Step-by-step explanation:

y=2sqrt(x-6)

x-6=0

+6 +6

{6,inf) U(0,inf)

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What is the value of a in the expression 7 to the power of d = of 3 square root of 7?

Elina [12.6K]

The answer to what is the value of a in the expression 7 to the power of d = of 3 square root of 7 is a=19.

3 0

3 years ago

Does anyone know how to do this?

Strike441 [17]

Answer:

$196 m^{2}$

Step-by-step explanation:

A square is a shape that which all sides are equal

14 is one side of the square and to find the area of a square/rectangle, you do length*width

14*14=196

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2 years ago

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. Two marbles are chosen from

Kryger [21]

Answer:

The expression would give the probability that one marble is yellow and the other marble is red is,

$P(Y\cdot R\ And\ R\cdot Y)=P(Y)P(R)+P(R)P(Y)$

Step-by-step explanation:

A bag contains eight yellow marbles, nine green marbles, three purple marbles, and five red marbles. So in total there are 25 marbles.

Hence,

Probability of getting yellow ball = $P(Y)=\dfrac{8}{25}$

Probability of getting red ball = $P(R)=\dfrac{5}{25}$

Probability that one marble is yellow and the other marble is red is,

$P(Y\cdot R\ And\ R\cdot Y)=P(Y)P(R)+P(R)P(Y)=\dfrac{8}{25}\cdot \dfrac{5}{25}+\dfrac{5}{25}\cdot \dfrac{8}{25}=0.128$

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3 years ago

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HIGHSCHOOL ALGEBRA!!!!! PLS HELP :) Find the root of the equation: (6x–1)(6x+1) - 4x(9x+2) = −1

My name is Ann [436]

(6x–1)(6x+1) - 4x(9x+2) = −1

Simplify the left side:

36x^2-1 -36x^2-8x = -1

Combine like terms:

-1 -8x = -1

Add 1 to both sides:

-8x = 0

Divide both sides by -8:

x = 0 / -8

x = 0

The root is 0

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4 years ago

55 is 40% of what number?

alexira [117]

40 over 100 and 55 over n cross multiply 55 x 100 and divide by 40.which gives you 137.5

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3 years ago

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