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Lemur [1.5K]
2 years ago
10

Describe fully the single transformation that maps triangle A into triangle B

Mathematics
1 answer:
Kitty [74]2 years ago
5 0

Answer:

Reflection over the line y=-1

Step-by-step explanation:

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Brad took a total of 10 quizzes over the course of 2 weeks. After attending 8 weeks of school this quarter, how many quizzes wil
guajiro [1.7K]

Answer:

40 quizzes

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
3x=-5y<br> 6x-7y=17 <br> Solve the equation
love history [14]
3x = -5y -------------- (1)
6x - 7y = 17 --------- (2)

From (1):
3x = -5y
x = -5/3 y ---------- sub into (2)

6 (-5/3 y) - 7y = 17
-10y - 7y = 17
-17y = 17
y = -1 ------------ Sub into (1)
3x = -5 (-1)
3x = 5
x = 5/3

Ans: x = 5/3, y = -1

7 0
3 years ago
This is converting to polar form, I need help and the answer too.
Mila [183]

Answer:

2 cis (7/6 pi)

Step-by-step explanation:

r = sqrt( a^2 + b^2)

r = sqrt (-sqrt(3) )^2 + (-1)^2)

   = sqrt(3 +1)

    = sqrt(4)

    = 2

theta  = arctan (b/a)

theta = arctan (-1/-sqrt(3))

theta = 30

but this is in the third quardrant  -a and -b

so add 180

theta = 210 degrees

convert this to radians

210 * pi/180 = 210/180 * pi = 21/18 * pi = 7/6 * pi


r cis (theta)

2 cis (7/6 pi)

7 0
2 years ago
4) Jerry cuts a piece of paper from one corner to the other, as shown. How long is the cut edge (look at photo)
kirill115 [55]

Answer:

i think its 10 or 20

Step-by-step explanation:

7 0
3 years ago
According to government data, the probability that a woman between the ages of 25 and 29 was never married is 40%. in a random s
ddd [48]
The probability of finding 2 never married
10c2*0.4^2*0.6^8=
the probability of finding 1 never married
10C1*0.4*0.6^9=
the probability of finding 0 never married
10C0*0.6^10=

the answer is all the above answers added together.
think you can do the rest of the calculation by yourself. :)

btw nCr=n!/(n-r)!r!
good luck
3 0
3 years ago
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