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ElenaW [278]
2 years ago
5

Pleeeaaasseeee help (questions in photo) will mark brainliest

Mathematics
1 answer:
KIM [24]2 years ago
5 0

Answer:

a. 0.8727rad

b. 5.585rad

that should be correct, if not, i apologize T_T

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A pet store contains 35 light green parakeets (14 females and 21 males) and 44 sky blue parakeets (28 females and 16 males). You
snow_tiger [21]
You can use this formula <span>P(AorB) = P(A) + P(B) - P(AandB) 

Given:
35 LG (14 F & 21 M)
44 SB (28 F & 16 M)

Req:
- the probability that it is a female (F) or a sky blue (SB)

Sol:
</span>P(F or SB) = P(F) + P(SB) - P(F and SB) 
                 = [(14 F + 28 F)/(35 + 44)] + [(44 SB)/(35 + 44)] - [(28 F)/(35 + 44)]
                 = 53.16 + 55.70 - 35.44
                 = 73.42%

You have to deduct 28 female parakeets from 44 sky blue parakeets because the 28 parakeets are already accounted for in the female parakeets. You can also think of how many ways you can choose a female parakeet and a sky blue parakeet. Add all female parakeets (14 + 28) = 42. Sky blue parakeet equaled to 44. Minus the 28 female parakeets included in the sky blue parakeet to avoid double counting. 42 + 44 - 28 = 58 divided by 79 (35 + 44) total parakeets = 73.42%


7 0
3 years ago
Adrian sells handmade puppets for $10 apiece. One puppet gets damaged, so Adrian sells it for $6, resulting in a loss of $4. He
Romashka [77]
It would be a loss of 4 dollars.
5 0
3 years ago
Read 2 more answers
Solve linear equation 1/4x+18=x
yanalaym [24]

Answer:

Solve it

Explain:

1

Combine multiplied terms into a single fraction

1

4

+

1

8

=

\frac{1}{4}x+18=x

41​x+18=x

1

4

+

1

8

=

3 0
3 years ago
When the expression x2-3x-18 is factored completely,which is one of its factors?
lesya692 [45]

Answer:

(x+3) and (x-6) are factors

Step-by-step explanation:

The given expression is :

x²-3x-18

We need to find the factors of the above expression.

We can solve it using middle term splitting. We find two integers such that there product is -18 and sum is -3. These two numbers can be -6 and 3.

x²-3x-18 = x²-6x+3x-18

= x(x-6)+3(x-6)  [taking common terms]

= (x+3) (x-6)

Hence, the factors of the above expression is (x+3) and (x-6).

4 0
2 years ago
6¹ is equal to _____
VARVARA [1.3K]

Answer:

6

Step-by-step explanation:

numbers/variables raised to the first power are equal to themselves

5 0
2 years ago
Read 2 more answers
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