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lora16 [44]
2 years ago
11

Sin 30Degrees = square of 3/2 and cos 30degrees =1/2 true or false

Mathematics
1 answer:
zhenek [66]2 years ago
4 0

Answer:

False

Step-by-step explanation:

Trying it in a calculator says otherwise meaning it's false

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1 year ago
In a cricket match, a batsman hits a boundary 6 times out of 30 balls he plays.Find the probability that he did not hit a bounda
Margarita [4]

Answer:

The probability of NOT hitting a boundary is (4/5).

Step-by-step explanation:

Let E: Be the event of hitting a boundary

now, Probability of any event E =  \frac{\textrm{Number of favorable outcomes}}{\textrm{Total number of outcomes}}

Here, number of favorable outcomes = 6

So, P(E)  = \frac{6}{30}  = \frac{1}{5}

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Now, P(E)  + P(not E)  = 1

So, P(not hitting a boundary ) = 1  -  P(hitting a boundary)

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Hence, the probability of NOT hitting a boundary is (4/5).

4 0
3 years ago
The dance committee of Pine Bluff Middle School earns \$72$72dollar sign, 72 from a bake sale and will earn \$4$4dollar sign, 4
Brut [27]

Answer:

The correct answer is 72 + 4 × x \geq 400.

Step-by-step explanation:

The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spring Fling dance.

The dance will cost $400.

Let x number of tickets the committee could sell.

Total money earned is 72 + 4 × x.

The committee should have some left over money also after spending for the dance which costs $400.

Thus the inequality to determine the number of tickets the committee could sell to have money left over after they pay for this year's dance is given by,

72 + 4 × x \geq 400.

3 0
3 years ago
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Please help me with this! ​
kramer

Answer:

B

Step-by-step explanation:

hope it helps you

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3 0
3 years ago
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