3 years ago

Which statement is false?

Mathematics

2 answers:

erma4kov [3.2K]3 years ago

8 0

Answer:

All the other ones were correct sooo

PSYCHO15rus [73]3 years ago

8 0

Answer:

D because real numbers also are irrational.

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Question 4 of 10

Pachacha [2.7K]

I believe the answer would be C

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3 years ago

Find the exact value. cos150°

Aloiza [94]

ANSWER

$\cos(150 \degree) = - \frac{ \sqrt{3} }{2}$

EXPLANATION

We want to find the exact value of cos(150°).

150° makes an angle of 30° with the positive direction of the x-axis and it is also in the second quadrant.

The cosine ratio is negative in the second quadrant.

Using the unit circle,

$\cos(150 \degree) = - \cos(30 \degree) = - \frac{ \sqrt{3} }{2}$

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3 years ago

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Show answer in lowest terms.3/4 + 8/9

DiKsa [7]

3/4 + 8/9

= (3*9)+(4*8) / (4*9)

= 27+32 / 36

= 59/36

= 1 23/36

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3 years ago

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If 2 dice are rolled at the same time, what is the probability of the 2 dice having the same face

statuscvo [17]

Total number of possible results of rolling 2 dice = 6 x 6 = 36

Total number of ways they can both show the same face = 6

Probability of showing the same face = 6/36 = <u>1/6</u> = 16 and 2/3 percent.

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3 years ago

A photographer is planning to enlarge a photograph by a scale factor of 1:5 . The original photograph has an area of 154 square

Step2247 [10]

Your answer should have been 3850 in^2

1^2/5^2 = 1/25

1/25 = 154/x
1x= 154 (25)
1x/1= 3850/1
x= 3850

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3 years ago

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