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vladimir2022 [97]
3 years ago
14

At the beginning of the day, the stock market starts at zero then drops 60 1/2 points and stays at this level for most of the da

y. At the end, the stock market rises 120 3/4 points from the low at the beginning of the day. What is the total change in the stock market from when it dropped 60 1/2 to when it raised at the end of the day. Show your thinking using a number sentence.
Mathematics
1 answer:
dangina [55]3 years ago
3 0
2 BECSUE IT ADD AND SHOEW YOUR WORK

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The graph shows a distribution of data.
ss7ja [257]

Answer:

.0625 or A

Step-by-step explanation:

You have to work out the mean. (The simple average of those numbers) Then for each number subtract the Mean and square the result. Then work out the average of those squared differences.

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3 years ago
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Help me please ASAP
Mashutka [201]

Answer: \frac{5}{35}

Step-by-step explanation:

Since, the total number of contestant = 7,

Thus, the probability that out of 3 contestant, me and my friend is chosen

= \frac{2_C_2\times 5_C_1}{7_C_3}

= \frac{\frac{2!}{2!0!}\times \frac{5!}{1!\times 4!}}{\frac{7!}{4!\times 3!}}

= \frac{1\times 5}{\frac{7\times 6\times 5\times 4!}{4!\times 6}}

=  \frac{5}{35}

⇒ Third Option is correct.

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Cloud [144]

\bold{\text{Answer:\qquad }b)\quad \bigg(\dfrac{1}{2},-2\bigg)}

<u>Step-by-step explanation:</u>

The vertex form of an absolute value equation is: f(x)=|x-h|+k where

(h, k) is the vertex. In the given equation, f(x)=\bigg|x-\dfrac{1}{2}\bigg|-2, the h-value is 1/2 and the k-value is -2.

So, the vertex (h, k) = (1/2, -2)

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3 years ago
what is the sum of two numbers is "-7." Two times the first number equals 4 the second number. Find the two numbers.
skelet666 [1.2K]

Answer:

\sf \text{The numbers are $\dfrac{-14}{3} $ and $\dfrac{-7}{3}$}

Step-by-step explanation:

Let the numbers be x , y

Sum of two numers = -7

x + y = -7------------(I)

Two times the first number equals 4 the second number.

2x = 4y  ----------(II)

Divide both sides by 2

       \sf \dfrac{2x}{2}=\dfrac{4y}{2}

        x = 2y

Subtitute x = 2y in equation (I)

2y + y = -7

      3y = -7

       y = -7/3

Plugin y = -7/3 in equation (II)

\sf 2x = 4*\dfrac{-7}{3}\\\\2x = \dfrac{-28}{3}\\\\x =\dfrac{-28}{3*2}\\\\x = \dfrac{-14}{3}

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2 years ago
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