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tester [92]
3 years ago
14

HELP ASAP, WILL GIVE BRAINLIEST

Mathematics
2 answers:
Novay_Z [31]3 years ago
6 0

Answer:

ade

Step-by-step explanation:

you can give em brainliest now

QveST [7]3 years ago
5 0

Answer:

ADE

Step-by-step explanation:

I am just good

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Find an equation that models the path of a satellite if its path is a hyperbola, a = 55,000 km, and c= 81,000 km. Assume the cen
elena-14-01-66 [18.8K]

Answer:

\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1

Step-by-step explanation:

the transverse axis is horizontal.

so its a horizontal hyperbola

Center is the origin so center is (0,0)

Equation of horizontal hyperbola is

\frac{x^2}{a^2} - \frac{y^2}{b^2} =1

Given a= 55000 and c= 81000

c^2 = a^2 + b^2

81000^2 = 55000^2 + b^2

subtract 55000^2 on both sides

b  = sqrt(81000^2 - 55000^2)= 59464.27

now plug in the values

\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1

7 0
3 years ago
List all x intercepts for y= -cos(1/2x + 1/5 pi) on the interval [-2/5pi,4pi]
Dahasolnce [82]
- cos ( 1/2 x + 1/5 π ) = 0 ( and because if cos α = 0, α= π/2 + k π, k ∈ Z )
1/2 x + π/5 = π/2 + k π,    k ∈ Z
1/2 x = π/2 - π/5 + k π  / * 2
x = π - 2π/5 + 2 k π
x = 3/5 π + 2 k π = 0.6 π + 2 k π
Answer:
If k = 0:  x 1 = 0.6 π = 3π/5
k = 1 : x 2 = 2.6 π = 13π/5
3 0
3 years ago
Read 2 more answers
the admission fee at the amusement park is $3.00 for children and 6.40 fo adults on a certain day 275 people entered the park an
Sonbull [250]
Children=x
Adults=y
* x + y =275 => x = 275 - y
* 3.00x + 6.40y = 1284 <=> 3.00(275 - y) + 6.40y = 1284 <=> ... <=> y = 135 => x = 275 - 135 = 140
Children: 140
Adults: 135
5 0
3 years ago
Read 2 more answers
Which graph shows the line y - 2 = 2(x + 2)?
klasskru [66]
For this case we have the following linear function:
 y - 2 = 2 (x + 2)&#10;
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 y - 2 = 2x + 4&#10;&#10;y = 2x + 4 + 2&#10;&#10;y = 2x + 6
 We observe that the linear function has:
 Positive slope and equal to 2.
 Intersection with the axis y equal to 6.
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y = 2x + 6
 
See attached image

7 0
3 years ago
On a certain map, 2.5 inches represents 15 miles Bay City and green glitter 4 inches apart on the map what is the actual distanc
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The actual distance is 24 miles

5 0
3 years ago
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