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Akimi4 [234]
3 years ago
6

Hi does anyone know this answer to this question in math class pls help me. _ What is the center of rotation?

Mathematics
1 answer:
qwelly [4]3 years ago
8 0

Answer:

the center of rotation is a point about which a figure rotates . this point doesn't remove during a rotation

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What is the value of x
Anika [276]

We know that the right triangle has one 90 degree angle and two acute (< 90 degree) angles. Since the sum of the angles of a triangle is always 180 degrees.

<u>To find x:</u>

(10x - 20) + (6x + 8) =  180

16x - 12 = 180

      +12     +12

16x = 192

-----    -----

16        16

x = 12

<u>Check:</u>

(10(12) - 20) + (6(12) + 8) = 180

(120 -  20) + (72 + 8) = 180

100 + 80 = 180

180 = 180

<u>Angle (10x - 20):</u>

(10(12) - 20)

(120 - 20)

100

<u>Angle (6x + 8):</u>

(6(12) + 8)

(72 + 8)

80

6 0
3 years ago
Select the all numbers below which are rational numbers.
AfilCa [17]

-76

10.030030030030030...

0.625

18.310

square root 0.25

5/9

8 0
3 years ago
Read 2 more answers
Why is the fraction 6/10 not written 0.06?
Kaylis [27]
Because 10 divided by 6 equals 6 tenths not 6 hundredths
3 0
3 years ago
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A watch loses 15 seconds every day how many minutes will it lose in 2 weeks.<br>​
REY [17]

2 weeks = 14 day

14 * 15 = 210 seconds

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8 0
2 years ago
Of 24 employees at a local supermarket, 13 work as cashiers and 11 stock shelves. If 4 employees are selected at random to work
kenny6666 [7]

Answer:

The required probability is, \simeq 0.06729

Step-by-step explanation:

Of 24 employees at a local supermarket, 13 work as cashiers  and 11 stock shelves. If 4 employees are selected at random to work overtime, then

P( all 4 are cashiers) = \frac{^{13}{C}_{4}}{^{24}{C}_{4}}

                                 \simeq 0.06729

4 0
3 years ago
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