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Kay [80]
2 years ago
8

In this figure, the distance from a to b is 10 units. what else is true

Mathematics
1 answer:
Aneli [31]2 years ago
8 0
Need something to go off of and the choices.
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How many solutions does the system have? \begin{cases} 3x+y=8 \\\\ 2x+2y=8 \end{cases} ⎩ ⎪ ⎪ ⎨ ⎪ ⎪ ⎧ ​ 3x+y=8 2x+2y=8 ​ Choose 1
ELEN [110]

Answer:

This system has one solution (x=2 and y=2), then the answer is A.

Step-by-step explanation:

The system of equations is:

3x+y=8 (1)

2x+2y=8 (2)

Let's multiply the first equation by 2 and subtract it to the second equation  

6x-2x+2y-2y=16-8

4x=8  

x=2

Using this value in (1) we can find y.

3(2)+y=8

6+y=8

y=2

Therefore, this system has one solution (x=2 and y=2), the answer is A.

I hope it helps you!

3 0
3 years ago
What is the value of cos theta given that (- 5, - 4) is a point on the terminal side of theta ?
Arte-miy333 [17]

Answer:I believe it's -5√41/41

Step-by-step explanation:

5 0
2 years ago
...................................
DiKsa [7]

Answer:

1/6

Step-by-step explanation:

i dont know if this is correct

4 0
1 year ago
On a particular day, the wind added 4 miles per hour to Alfonso’s rate when he was cycling with the wind and subtracted 4 miles
Greeley [361]

d = r · t ⇒ t = d/r

going

t = 54/(r + 4)

coming

t = 30/(r - 4)

54/(r + 4) = 30/(r - 4) times are equal

54(r - 4) = 30(r + 4) product means/extremes

54r - 216 = 30r + 120 distribute

24r - 216 = 120 subtract 30r from both sides

24r = 336 add 216 to both sides

r = 14 divide both sides by 24

Alfonso bikes at 24 mph.

8 0
2 years ago
Which of the following numbers belong to the set of complex numbers AND the set of imaginary numbers? Select all that apply. (3
Sidana [21]
<span> A, B, and C and also F because a negative number can't be under radical </span>
4 0
3 years ago
Read 2 more answers
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