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2 years ago

6

a bank tellers hourly wage will increase from $24 to $27.60. what percent increase does this represent?a stereo is marked down $

105. if this is a 25% decrease, find the original price?

1 answer:

Aleks04 [339]2 years ago

8 0

Answer:

i know

Step-by-step explanation:

but I don't have pen

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Multiply these binomials using foil method (b+3)(b-9)

sleet_krkn [62]

FOIL stands for first, outer, inner, and last.
So, you multiply the first terms together, the outer terms together, the inner terms together, and then the last terms together.
(b+3)(b-9)
b^2-9b+3b-27 Then simplify
b^2-6b-27

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2 years ago

A cone has a volume 12 pie cubic inches it’s height 4 inches what is the radius?

insens350 [35]

Answer:

<h2>r = 3 in</h2>

Step-by-step explanation:

The formula of a volume of a cone:

$V=\dfrac{1}{3}\pi r^2H$

r - radius

H - height

We have V = 12π in³ and H = 4 in. Substitute:

$12\pi=\dfrac{1}{3}\pi(r^2)(4)\qquad\text{multiply both sides by 3}\\\\36\pi=4\pi r^2\qquad\text{divide both sides by}\ 4\pi\\\\9=r^2\to r=\sqrt9\to r=3$

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2 years ago

A statue of Thomas Jefferson was made using a scale of 3 feet = 1 foot.Write an expression to represent the height of the statue

xxMikexx [17]

Expression: x divided by 3
Scale height: 19/3 = 6.33333333

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2 years ago

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6. Ed bought a coat that usually costs $150. He purchased the coat at a 20% DISCOUNT. How much did Ed

SVEN [57.7K]

Answer:

6. c. 120

7. $6.45

Step-by-step explanation:

1. 150 x 0.20 = 30

2. 150- 30= 120

1. 43 x 0.15= 6.45

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2 years ago

Show all work to solve 3x2 - 5x – 2 = 0.

lianna [129]

Answer:

$3x\cdot \:2-5x-2=0$

$6x-5x-2=0$

$6x-5x=x$

$x-2=0$

$x-2+2=0+2$

$x=2$

$-----------$

Hope it helps..

Have a great day!!

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2 years ago

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