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3 years ago

I'm being timed on this!!!!!!!! GIVING BRAINLIEST!!!!!!!!!!!!!!

Mathematics

2 answers:

Iteru [2.4K]3 years ago

6 0

I believe it is D

My reason is cause I had this problem and I got it correct.

GuDViN [60]3 years ago

5 0

I believe it is D also and my reason is cause i have the same problem and i got the answer D<span />

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Tony flips a coin and gets heads. He tells his friend that he can get heads two more times in a row .what is the probability tha

Sergio [31]

Answer:

The probability is 1/8 or 0.125

Step-by-step explanation:

In this question, we are concerned with calculating the probability that when a coin is flipped there would be a show of heads three times.

In flipping of a coin, there are only two possible results with equal probability. The probability of both events i.e P(H) and P(T) is equal and that is 1/2

Thus the probability of getting heads three times in a row will be P(HHH) meaning P(H) and another P(H) and another P(H)

When we have and in a probability question, that means we are to multiply the probabilities together.

Hence, P(HHH) = 1/2 * 1/2 * 1/2 = 1/8

7 0

3 years ago

The school library has 286 books. If the school librarian buys 12 books eachmonth for five months, how many books will the libra

Maru [420]

$\begin{gathered} \text{Initial numbers of books: 286 } \\ \text{Total number of books bought over a period of 5 months: 12 }\times\text{ 5 = 60} \\ \text{Total Number of Books in the Library is: 286 + 60 = }346 \end{gathered}$

4 0

1 year ago

Picture attached with question

Mariana [72]

The function is stretched vertically by a factor of 3.

The function shifts 2 to the right.

The function is moved 5 units up.

Explanation:

The parent function of the graph is $f(x)=\sqrt{x}$

The transformation for the parent function is given by $g(x)=3\sqrt{x-2} +5$

Thus, the transformed function is in the form of $y=a\sqrt{x-h} +k$

where a is the vertical compression/stretch,

h moves graph to left or right and

k moves the graph up or down.

Thus, from the transformed function $g(x)=3\sqrt{x-2} +5$ , we have,

$a=3, h=2 , k=5$

The attached graph below shows the transformation of the graph that the graph is stretched vertically by a factor of 3 and shifted 2 units to the right and moved 5 units up.

Hence, The function is stretched vertically by a factor of 3.

The function shifts 2 to the right.

The function is moved 5 units up.

6 0

3 years ago

X/-9 + n/-7 = 9<br> solve for x

Andrews [41]

9514 1404 393

Answer:

x = -(9/7)n -81

Step-by-step explanation:

Subtract the n term.

x/-9 = 9 -n/-7

Multiply by -9.

x = -81 -(9/7)n

6 0

2 years ago

Solve for X when m<2 = 8x <br><br> (I don’t really understand how to solve this. Please help??)

lozanna [386]

Answer:

x = 1/4

Step-by-step explanation:

First u swap the sides of the equation

8x = 2

then you divide both sides by 8 which gets you 1/4 or 0.025

6 0

2 years ago