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3 years ago

Based on the timeline, which of the following statements is true?

Mathematics

1 answer:

Morgarella [4.7K]3 years ago

5 0

Answer:

<h2>Answer B. </h2>

Step-by-step explanation:

If you check each answer, only B works since it is the only one that would place everything correctly on the timeline

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A school's service club is sponsoring a dance in the

HACTEHA [7]

Answer:

Yes, they only need 400 tickets to meet their goal, any more will exceed their goal.

Step-by-step explanation:

8 0

3 years ago

When expressing sets, you may write "inf" for infinity and "U" for union.

GarryVolchara [31]

Answer:

The complement of the given set in interval notation is $(-\infty,-5]\cup(6,\infty)$ . It can we written as (-inf,5]U(6,inf).

Step-by-step explanation:

The given set in interval notation is

(−5,6]

It means the set is defined as

$A=\{x|x\in R,-5$

If B is a set and U is a universal set, then complement of set B contains the elements of universal set but not the elements of set B.

Here, universal set is R, the set set of all real numbers.

$U=\{x|x\in R\}$

The complement of the given set is

$A^c=U-A$

$A^c=\{x|x\in R,-\infty$

Complement of the given set in interval notation is

$A^c=(-\infty,-5]\cup(6,\infty)$

Therefore the complement of the given set in interval notation is $(-\infty,-5]\cup(6,\infty)$ . It can we written as (-inf,5]U(6,inf).

3 0

3 years ago

Need help with a math question PLEASE HELP

navik [9.2K]

Answer:

(-1, -3)

Step-by-step explanation:

We suppose your notation means you want to reflect given point P across the horizontal line y=1.

The x-coordinate will remain the same.

The new y-coordinate will be such that y=1 is the midpoint between the original and its reflection:

(5 + y)/2 = 1

5 + y = 2 . . . . multiply by 2

y = 2 -5 = -3 . . . subtract 5

The reflected point is (-1, -3).

___

The same sort of math applies whenever you have a midpoint and want to find the other end point. Double the midpoint value and subtract the end point you have in order to find the other end point.

4 0

4 years ago

<img src="https://tex.z-dn.net/?f=p%5E%7B2%7D%20%3D0.81" id="TexFormula1" title="p^{2} =0.81" alt="p^{2} =0.81" align="absmiddle

marshall27 [118]

Answer:

$\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}$

$p ^{2} = 0.81 \\ p = \sqrt{0.81 } \\ p = 0.9$

•°• √81 = 9 or 9² = 81

3 0

3 years ago

Read 2 more answers

Please help!! And pls show work

coldgirl [10]

<h3>The answer to your question is k (-3) = 21!</h3>

Here's how I got this answer:

K(a) = 2a^2 - a

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3K (-3) = 18 + 3

K(a) = 2a^2 - a K(-3) = 2(-3)^2 - (-3)K(-3) = 2(9) + 3K (-3) = 18 + 3K (-3) = 21

I hope this helps!

Also sorry for the late answer, I just got the notification that you replied to my comment, I hope I came in time!

8 0

3 years ago

Based on the timeline, which of the following statements is true?​

Based on the timeline, which of the following statements is true?