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Sergeu [11.5K]
3 years ago
13

Point Q(2, −1) is rotated 90° clockwise about the origin.

Mathematics
1 answer:
kumpel [21]3 years ago
6 0
(1,-2) hope this helps you :)
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8
harkovskaia [24]

Answer:

60%

Step-by-step explanation:

add them all to 20

add 7 and 5 to get 12

12 over 20 is 60 percent

6 0
2 years ago
What is the value of x in the diagram?
dalvyx [7]

Answer:

x = 30

Step-by-step explanation:

here 50 is hypotenuse as it is opposite of 90 degree.

x and x + 10 are the two other smaller sides of a right angled triangle respectively.

using pythagoras theorem,

a^2 + b^2 = c^2

x^2 + (x + 10)^2 = 50^2

x^2 + x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 - 2500 = 0

2x^2 + 20x - 2400 = 0

2(x^2 + 10x - 1200) = 0

x^2 + 10x - 1200 = 0

x^2 + (40 - 30) - 1200 = 0

x^2 + 40x - 30x - 1200 = 0

x(x + 40) - 30(x + 40x) = 0

(x + 40)(x - 30) = 0

either x + 40 = 0          OR x - 30 = 0

x = 0 - 40

x = -40

x - 30 = 0

x = 30

x = -40,30

since the length and distance is not measured in negative ur answer will be 30

credit goes to sreedevi102

thank u very much . At first i was wrong and giannathecookie i m really sorry

3 0
3 years ago
Read 2 more answers
6.578 round to the nearest tenth
neonofarm [45]

Answer:

6.6

Step-by-step explanation:

The 7 in the hundredth place round the 5 in the tenths place up to a 6

Hope this helps :)

5 0
3 years ago
Read 2 more answers
Find the value of f(7) if f(x) = x^2 - 8x + 2
S_A_V [24]

Answer:

-5

Step-by-step explanation:

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2 years ago
Nearest tenth of 221
Tanya [424]

Answer:

220

Step-by-step explanation:

6 0
3 years ago
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