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abruzzese [7]
3 years ago
6

RADIO TELESCOPES The cross section of a large radio telescope is a parabola. The equation that describes the cross section is y=

275x2−43x−323,
where y is the depth of the dish in meters at a point x meters from the center of the dish. If y=0
represents the top of the dish, what is the width of the dish? Solve by graphing.
Mathematics
1 answer:
Minchanka [31]3 years ago
3 0

Answer:

I am sorry

Step-by-step explanation:

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You buy an item for $74.95, and the sales tax is 4.5%. You give the clerk four $20 bills. Figure the following amounts:
fenix001 [56]

Answer:

<em>sales tax is $3.37 </em>

<em> total price is $78.32 </em>

<em> and change is $1.68</em>

Hope this helps :)

<em>-ilovejiminssi♡</em>

4 0
3 years ago
Read 2 more answers
(04.02 MC) If f(x) = 2x2 − 10, find f(5).
KIM [24]
F(x)=2x^2-10

f(5)=2(5^2)-10

f(5)=2(25)-10

f(5)=50-10

f(5)=40
4 0
4 years ago
The graph of (6-4x)^2/2x^2-5x+12 has a horizontal asymptote at y =
vova2212 [387]

Answer:

y = 8

Step-by-step explanation:

The given rational function is

y =  \frac{ {(6 - x)}^{2} }{ {2x}^{2} - 5x + 12 }

Let us expand the numerator to get;

y =  \frac{(6 - 4x)(6 - 4x)}{2 {x}^{2} - 5x + 12 }

y =  \frac{36 - 48x + 16 {x}^{2} }{2 {x}^{2} - 5x + 12 }

We can observe that, the degree of the numerator is the same as the degree of the denominator.

Therefore the horizontal asymptote is the ratio of the coefficient of the leading terms:

y =  \frac{16}{2}

The horizontal asymptote is

y = 8

3 0
3 years ago
Read 2 more answers
you purchase 2 action figures a week. you have 48 action figures, which is 75% of the total number of action figures you need to
notka56 [123]

Answer:

8 weeks

Step-by-step explanation:

48 is 75%

x is 100%

48×100=4800

75x=4800

x=4800:75

x=64

64-48=16

16:2=8

Answer is 8 weeks

7 0
3 years ago
What is the hypotenuse of 28 and 45
svlad2 [7]

Answer:

a² + b² = c²

28² + 45² = c²

784 + 2025 = 2809

Square root of 2809 is 53

The hypotenuse is 53

8 0
4 years ago
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