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jek_recluse [69]

2 years ago

4

a factory sells backpacks for $40 each. The cost to make 1 backpack is $10.00 in addition to the cost of mking backpacks, the fa

ctory has operating expenses of $12,000 per week. the facotrys gal is to make a profit atleast $980 each week

1 answer:

Inessa [10]2 years ago

3 0

Answer:

40

Step-by-step explanation:

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Find the balance in the account. $800 principal earning 7%, compounded annually, after 4 years

scoray [572]

800×(1.07)^(4) =1,048.63

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2 years ago

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In June 2012, Twitter was reporting 400 million tweets per day. Each tweet can consist of up to 140 characters (letter, numbers,

gulaghasi [49]

Each tweet would cost between 1 and 140 pennies you can write that as an inequality [1 ≤ x ≤ 140] Since you can't tweet 0 characters or above 140.

if you want to change it to pounds divide by 100.

A) 1 ≤ x ≤ 140

B) Each character costs a penny, you can't tweet less than 1 character or above 140.

3 0

2 years ago

Point Q'Q ′ Q, prime is the image of Q(-7,-6)Q(−7,−6)Q, left parenthesis, minus, 7, comma, minus, 6, right parenthesis under the

morpeh [17]

Answer:

5,2

Step-by-step explanation: (-7+12=5,-6=8=2) And I Got It Correct On Khan Academy :)

Hope this helps you!!

5 0

2 years ago

Which of the following statements about the backward elimination procedure is false? a. It does not permit an independent variab

kondaur [170]

Answer:

c. It does not guarantee that the best regression model will be found.

Step-by-step explanation:

Backward elimination (or deletion) procedure requires a subsequent removal of individual independent variables in an equation to derive an appropriate regression equation. It is a step-wise operation which make use of a predefined criterion for essential variables.

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5 0

2 years ago

Y = 2x^2-12x+25 write in vertex form plz show work

Nata [24]

The vertex form of y = 2x² - 12x + 25 is y = 2(x - 3)² + 7

Step-by-step explanation:

The vertex form of the quadratic equation y = ax² + bx + c is

y = a(x - h)² + k, where

(h , k) are the coordinates of the vertex point
a, b, c are constant where a is the leading coefficient of the function (coefficient of x²) , b is the coefficient of x and c is the y-intercept
$h=\frac{-b}{2a}$
k is the value of y when x = h

∵ y = 2x² - 12x + 25

∵ y = ax² + bx + c

∴ a = 2 , b = -12 , c = 25

∵ $h=\frac{-b}{2a}$

∴ $h=\frac{-(-12)}{2(2)}$

∴ $h=\frac{12}{4}$

∴ h = 3

To find k substitute y by k and x by 3 in the equation above

∵ k is the value of y when x = h

∵ h = 3

∴ k = 2(3)² - 12(3) + 25 = 7

∵ The vertex form of the quadratic equation is y = a(x - h)² + k

∵ a = 2 , h = 3 , k = 7

∴ y = (2)(x - 3)² + 7

∴ y = 2(x - 3)² + 7

The vertex form of y = 2x² - 12x + 25 is y = 2(x - 3)² + 7

Learn more:

You can learn more about quadratic equation in brainly.com/question/9390381

#LearnwithBrainly

5 0

2 years ago