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Soloha48 [4]
3 years ago
10

Which expressions are equivalent to −6+3(2+(−4t))

Mathematics
1 answer:
nekit [7.7K]3 years ago
3 0

Answer:

-6+12t

Step-by-step explanation:

- 6 + 3(2 + ( - 4t)) \\  =   - 3(2 + ( - 4t)) \\  =  - 6 + 12t

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The student body of a large university consists of 60% female students. A random sample of 8 students is selected. Refer to Exhi
jasenka [17]

Answer:

0.0499

Step-by-step explanation:

This is a binomial probability  function expressed as:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\

Given that n =8, and p(male)=1-0.6=0.4, the probability of at least 6 being male is calculated as:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X\geq 6)=P(X=6)+P(X=7)+P(X=8)\\\\={8\choose 6}0.4^6(0.6)^{2}+{8\choose 7}0.4^7(0.6)^{1}+{8\choose 8}0.4^8(0.6)^{0}\\\\=0.0413+0.0079+0.0007\\\\=0.0499

Hence, the probability of at least 6 males is 0.0499

8 0
3 years ago
2x=12 show how you got the answer
skelet666 [1.2K]

Answer:

x = 6

Step-by-step explanation:

2x = 12

\frac{2x}{2} = \frac{12}{2}

x = 6

4 0
3 years ago
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Whats the number of pi
Alchen [17]

Pi is approximately 3.14 and is commonly used in academic equations.

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7 0
2 years ago
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On a large baking tray, 40 cookies can be baked together. To bake 40 cookies it takes 14 minutes, for baking 80 cookies it takes
Serggg [28]

Answer:

B. 56

Step-by-step explanation:

1 cookie - 14 minutes

max. 40 cookies

140-100=40

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As figure has an area of 64 squared units which describes the area of the figure after a dialation with a scale factor of 3 over
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Answer:

112

Step-by-step explanation:

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3 years ago
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