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3 years ago

Verbal expression for the following numerical expression: ( 4 + 9 ) x 3

Mathematics

1 answer:

vaieri [72.5K]3 years ago

3 0

Answer:

I don't know if I'm doing this 100% correctly but I would put:

four plus nine's total multiplied by 3

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You are charged $19.74 in total for a meal. Assuming that the local sales tax is 6.4%,

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3 years ago

Hii! I need some help, would anyone mind helping me?

Kisachek [45]

Step-by-step explanation:

${x}^{2} - 14x - 25 {y}^{2} + 100y = 76$

Factor by grouping,

$( {x}^{2} - 14x) - (25 {y}^{2} - 100y) = 76$

Complete the square, with the x variables,

$( {x}^{2} - 14x + 49) - (25 {y}^{2} - 100y) = 125$

Factor out 25 for the y variables

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y) = 125$

Complete the square

$( {x}^{2} - 14x + 49) - 25( {y}^{2} - 4y + 4) = 25$

Simplify the perfect square trinomial

$(x - 7) {}^{2} - 25(y - 2) {}^{2} = 25$

Make the right side be 1 so divide everything by 25.

$\frac{(x - 7) {}^{2} }{25} - (y - 2) {}^{2} = 1$

Here our center is (7,2).

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2 years ago

Which of the angles in the figure are supplementary to 7?

ira [324]

Number D is the correct answer I think

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3 years ago

If a coin has been altered so that the probability of heads coming up is 3/10, then the probability of tails coming up is also 3

soldier1979 [14.2K]

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Step-by-step explanation:

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3 years ago