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lbvjy [14]
3 years ago
13

Write the equation in standard form for the hyperbola with vertices (-8,0) and (8,0), and foci (-10,0) and (10,0).

Mathematics
1 answer:
Sloan [31]3 years ago
4 0

Answer:x56-8

Step-by-step explanation:

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Independent Practice
gladu [14]

Answer:

D.

d = 3t; 90 mi

Step-by-step explanation:

Bicycling A bicyclist traveled at a constant speed during a timed practice period. Write a proportion to find the distance the cyclist traveled in 30 min.

elapsed time    distance

10 min               3 mi

25 min               7.5 mi

Graph it. :)

Start at (0,0), then at 10 min. on the x-axis, go 3 spaces up on the y-axis and plot a point. Do the same for 25 min. and 7.5 miles. Draw a line through all of those points, and see where the line hits on the y-axis when the x-axis is at 30 min. :)

If two things vary directly it means their ratio is a constant.  Therefore from the formula rt=d. r=d/t,  r=3/10 or 7.5/25  which reduces to 3/10.  This is the constant speed,the lable is mi/min.  Now use  (d/30)=(3/10)  and solve for d.  Cross multiply and 10d=90, or d=9 mi

4 0
2 years ago
PLS HELP Find the value of x in the triangle shown below.
Alexxx [7]

Answer:

the answer is 20

Step-by-step explanation:

use the pythagorean theorem

1] 12 x 12 = 144

2] 16 x 16 = 256

3] 144 +256= 400

4] find square root of 400 which is equal to 20

4 0
2 years ago
Read 2 more answers
Someone please help me
Lostsunrise [7]

Answer:

y=-2x+3

Step-by-step explanation:

8 0
3 years ago
Find the solution to the system of equations: x 3y = 7 and 2x 4y = 8 1. isolate x in the first equation: 2. substitute the value
DIA [1.3K]

The solution to the system of equation are x = -2 and y = 3

<h3>How to find the solution of a system of equation?</h3>

x + 3y = 7

2x + 4y = 8

Let's isolate x in the first equation

x = 7 - 3y

substitute the value of x in the second equation.

Therefore,

2(7 - 3y) + 4y = 8

14 - 6y + 4y = 8

-2y = 8 - 14

-2y = -6

y = -6 / -2

y = 3

Hence,

x + 3(3) = 7

x = 7 - 9

x = -2

learn more on equation here: brainly.com/question/12926248

#SPJ1

4 0
2 years ago
PLZ I NEED HELP!!! THIS IS TIMED!!!! PLZ HELP ME!
wel

Answer:

it is b

Step-by-step explanation:

hope i helped

5 0
3 years ago
Read 2 more answers
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