Antwaun wants to purchase new photography equipment. He sees an advertisement on a store’s website for a 35% sale on 85mm lenses this weekend. If the original price of the lens he wanted is $599, what is the new price of the lens once it goes on sale?

Answers

Answer 1
Answer:

Answer:

389.35

Step-by-step explanation:

i did the math on my amazing $87 dollar calculator


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What is the slope of y = -1 + 3x?What is the slope of y = -x + 7?
What is the slope of y = 3x + 8?
What is the y-intercept of the equation: y = 4x - 9?
What is the y-intercept of y = −3x − 2

Need this in 20 min
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Answers

Answer:

slope of y= -1+3x is "3"

of y=-x+7 is "-1"

of y=3x+8 is "3"

i) y intercept = "-9"

ii) y intercept = "-2"

About 7 out of 10 U.S. households have TV remote controls. There we're 118,800,000 U.S. households in 1998. How many households have TV remote controls? Set up a proportion to solve.

Answers

(7 x 10=70) out of (10 x 10=100) =70 of 100, 70%
so 70% of 118800000 =83160000

find exact value using reference angles

cot -53pi/6

Answers

Answer:

cot(-53π/6) = cot(7π/6) = √(3)

Step-by-step explanation:

Remember that a trig function repeats itself every 2π, so you can add any multiple of 2π to your angle and it'll give you the same answer.

cot(-53π/6) = cot(-53π/6 + 2πk)

= cot(-53π/6 + 2π·5)

= cot(-53π/6 + 10π)

= cot(7π/6)

= [-√(3)/2] / [-1/2]

= √(3)

It's the same as cot (-150 or -5pi/6) and that's a reference angle of 30 so cot 30 or pi/6 is sqrt (3) and since it's in the 3rd quadrant, it's positive.

Please help me solve for x:

t=pd/2x

Answers

Answer: x=(pd)/(2t)

Step-by-step explanation:

The given expression : t=(pd)/(2x)

To solve the above expression, we first multiply x on both the sides , we get

t* x=(pd)/(2x)*x\n\n\Rightarrpw\ tx=(pd)/(2)

Now, we divide t on both the sides , we get

x=(pd)/(2t)

Hence, the expression for x will be : x=(pd)/(2t)

t = pd/2x
multiply 2x from both sides
2xt = pd
divide 2t from both sides to isolate x
x = pd/2t

I need help to graphs these problem please

Answers

If you're talking about #5, where you have to graph the equation . . .

All you have to do is find two points on the graph, and draw a line between them.

How do you find points ?  That's where you are in control !
Just pick any number you like for 'x', and then use the equation
to calculate the 'y' that goes with it.

Examples:

Pick 'zero' for 'x'. 
Y = (1/2)x + 3
Y = 3

Pick 10 for 'x'.
y = (1/2)x + 3
y = 5 + 3
y = 8

Just create two points that way, using the equation.  Then mark
the two points on the graph, and draw a line through the two points.

Find the area of a sector with a central angle of 110° and a diameter of 6 cm. Round to the nearest tenth.

Answers

=1/2* r^2 * theta
r=D/2=3 cm
theta=110 deg= 1.92 radian.
area=1/2*3*3*1.92 cm2 =8.64 cm2
=8.6 cm2 (approx.)