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wlad13 [49]
3 years ago
13

Can someone answer these questions pls pls pls pls

Mathematics
1 answer:
Rainbow [258]3 years ago
3 0

Answer:

1. A

2. D

Step-by-step explanation

You can see in the first one it continuously goes up and in the second one it continuously goes down.

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Mr.Brown deposited $2500 to his new savings account. Each month, he deposits $300 to his account. Which inequality can be used t
Firlakuza [10]

Answer:

X>5

Step-by-step explanation:

Since the initial deposit is given as $2500 then to get more than $4000, Mr. Brown needs additional 4000-2500=$1500

Since each month he deposits $300 then after x months he will have more than $1500 additional.

4000<300x+2500

Collecting like terms

4000-2500<300x

1500<300x

Simplifying

5<x

Or

x>5

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4 years ago
What makes a decimal repeating
pentagon [3]
Also known as a recurring decimal, a repeating decimal is a number that has repeating digits infinitely, can also be identified with a line over the last number of the decimal.
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What's the surface area of the square pyramid?? <br><br> Please someone answer fast
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Answer:

33

Step-by-step explanation:

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The sides:

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Total:

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8 0
3 years ago
Please teach me on how to answer this question. (addmath question)
arsen [322]

We know that \overline{x}=8 so:

\overline{x}=8\\\\\\\dfrac{\sum\limits_{k=1}^7\,x_k}{7}=8\qquad|\cdot7\\\\\\ \boxed{\sum\limits_{k=1}^7\,x_k=56}

We want to calculate:

\sum\limits_{k=1}^7\,\big(2x_k-3\big)^2=\sum\limits_{k=1}^7\,\big(4x_k^2-12x_k+9\big)=\\\\\\=\sum\limits_{k=1}^7\,4x_k^2-\sum\limits_{k=1}^7\,\big12x_k+\sum\limits_{k=1}^7\,9=4\sum\limits_{k=1}^7\,x_k^2-12\sum\limits_{k=1}^7\,x_k+\sum\limits_{k=1}^7\,9=\\\\\\=4\cdot672-12\cdot56+7\cdot9=2688-672+63=\boxed{2079}

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3 years ago
Evaluate 6+x when x=3 ??
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<em>Look</em><em> </em><em>at</em><em> </em><em>the</em><em> </em><em>attached</em><em> </em><em>picture</em><em>⤴</em>

<em>Hope</em><em> </em><em>this</em><em> </em><em>will</em><em> </em><em>help</em><em> </em><em>u</em><em>.</em><em>.</em><em>.</em>

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4 years ago
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