Write each phrase as an algebraic expression “One-half of x plus 2”

Mathematics

2 answers:

Luba_88 [7]3 years ago

6 0

The answer is ½x + 2

Tcecarenko [31]3 years ago

5 0

Answer:1/2x+2

Step-by-step explanation:

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the area should be 3/4

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A $12 t- shirt is on sale for 40% off at a store in Mississippi. Sales Tax on Mississippi is 9%. How Much Will The t- shirt end

STALIN [3.7K]

Let's calculate how much for the $12 t - shirt after the discount.

First, convert 40% into a decimal,

$40\% = 0.4$

Next, multiply the cost by the discount,

$12 \times 0.4 = 4.8$

Lastly, subtract the amount discounted,

$12 - 4.8 = 7.2$

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Now

Let's calculate the amount after the sales tax,

First convert 9% to a decimal,

$9\% = 0.09$

Next, multiply the cost of the t - shirt by the sales tax,

$7.2 \times 0.09 = 0.648 = 0.7$

Lastly, add the amount of sales tax to the price of the t - shirt,

$7.2 + 0.7 =7.9$

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Answer : the t - shirt will be $7.90 after everything.

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I hope that helps you out!!!

Any more questions, please feel free to ask me and I will gladly help you out!!!

~Zoey

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3 years ago

Which equation describes a line with a slope of -8 and includes the point (-4, 7)?

timurjin [86]

Such an equation would be y + 8x = - 25 (standard form) OR y = -8x - 25 (y-intercept form)

Deriving The Answer:

By using the point-slope form of the equation of a line, by knowing the gradient of that line and a point on that line, the equation of this line can be derived.

Now, the point-slope form exists as y - y₁ = m ( x - x₁)

since slope = -8 and the point on the line = (-4 , 7)

Then m = - 8
x₁ = - 4
y₁ = 7
⇒ y - 7 = -8 ( x - (-4))

⇒ y - 7 = -8x - 32

⇒ y + 8x = - 25

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3 years ago