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3 years ago

Help anyone please please please

Mathematics

1 answer:

tia_tia [17]3 years ago

7 0

Answer:

Alternate interior angles

Step-by-step explanation:

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Assume that random guesses are made for seven multiple choice questions on an SAT test, so that there are equals 7 trials, eac

NeTakaya

Answer: 0.5

Step-by-step explanation:

Formula for binomial probability :-

$P(x)=^nC_xp^x(1-p)^{n-x}$ , where P(x) is the probability of getting success in x trials , n is the total number of trials and p is the probability of getting success in each trial.

Given : The number of trails : n=7

The probability of success for each trial : p=0.5

Now, the probability that the number x of correct answers is fewer than 4 will be :-

$P(x$

Hence, the probability that the number x of correct answers is fewer than 4 = 0.5

4 0

3 years ago

Read 2 more answers

In the equation 4+c=18, the value of c will be less than 18 true or false?

Dominik [7]

Answer:

true

Step-by-step explanation:

because when we subtract 18 and 4, the answer is 12. Hence, the value is less than 18

5 0

3 years ago

WILL MARK BRANLIEST!! 15 POINTS!!

mihalych1998 [28]

Corresponding angles

3 0

3 years ago

It x, y, and z are positive intergers and 3x = 4y = 7z, then the least possible value of x + y + z is???

Dmitry [639]

$3x = 4y = 7z \\ \Rightarrow \begin{cases}3x - 4y = 0 \\4y - 7z = 0 \\ 7z - 3x = 0\end{cases} \\ \Leftrightarrow \begin{cases}x = \frac{4}{3} y\\4y - 7z = 0 \\ 7z - 3( \frac{4}{3}y) = 0\end{cases} \\ \Leftrightarrow \begin{cases}x = \frac{4}{3} y\\4y - 7z = 0 \\ 7z - 4y= 0\end{cases} \\ \Leftrightarrow \begin{cases}x = \frac{4}{3} y\\ y \\ z = \frac{4}{7}y \end{cases} \\ x,y,z\: are\: intergers\Rightarrow y=LCM(3,7)=21\Rightarrow x = 28,z = 12 \\ \Rightarrow x + y + z = 61$

5 0

2 years ago

Round 75.4614 to the nearest thousandth

Anna11 [10]

$75.4614\approx75.461$

6 0

2 years ago