3 years ago

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Mathematics

1 answer:

valkas [14]3 years ago

3 0

I believe it’s 7/10

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Pls solve question 4b. Verrry urgent . Ok tyy

kodGreya [7K]

Answer:

$y = 3\left(x-\dfrac{3}{2}\right)^2+\dfrac{41}{4}$

Step-by-step explanation:

Given equation:

$y = 3x^2 - 9x + 17$

Factor out 3 from the first 2 terms:

$y = 3(x^2 - 3x) + 17$

Divide the coefficient of x by 2 and square it: (-3 ÷ 2)² = 9/4

Add this inside the parentheses and subtract the distributed value of it outside the parentheses:

$y = 3\left(x^2 - 3x+\dfrac{9}{4}\right) + 17-\dfrac{27}{4}$

Factor the parentheses and combine the constants:

$y = 3\left(x-\dfrac{3}{2}\right)^2+\dfrac{41}{4}$

8 0

2 years ago

A DVD player that normally cost $160 is on sale for 70% of its normal price.What is the sale price of the DVD player.

maw [93]

160 $ = 100%
x $ = 70%

100 x = 11200
x = 112

160,00 - 112,00 = 48,00$

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3 years ago

What is the arc length if θ = 2 pi over 3 and the radius is 4 cm?

kompoz [17]

my answer is in the image above

6 0

3 years ago

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A pizza parlor offers thin,thick,and traditional style pizza crust.You can get pepperoni,beef,mushrooms, olives,or peppers. You

WITCHER [35]

You need to understand the different kinds of categories in order to solve this problem.

There are:
types of crusts - 3
types of toppings - 5

You multiply these together (3 x 5)

Your answer should be 15

3 0

3 years ago

An airplane has descended 4,000 feet before landing. The integer that represents how many feet the airplane was above the ground

pickupchik [31]

Answer:

8000 feet i think so yeah

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3 years ago