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Brut [27]
3 years ago
6

Caitlin has cut out a square piece of graph paper that contains a total of 81 blocks.How many blocks are there along one side of

the square? Look at the bottom of the page (Number 25)

Mathematics
1 answer:
FinnZ [79.3K]3 years ago
5 0

Answer:

9 squares on each side of the square.

Step-by-step explanation:

\sqrt{81}=\sqrt{9\times 9}=\sqrt{9^2}=9

There are 9 equally sized blocks on one side of square piece of graph paper.

Best Regards!

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What is the solution set of the quadratic inequality 4(x + 2)2 <0?
Lesechka [4]

Step-by-step explanation:

<em><u>4</u></em><em><u>(</u></em><em><u>X+</u></em><em><u>2</u></em><em><u>)</u></em><em><u>2</u></em>

<em><u>taking </u></em><em><u>in </u></em><em><u>left </u></em><em><u>hand </u></em><em><u>side,</u></em>

<em><u>(</u></em><em><u>X+</u></em><em><u>2</u></em><em><u>)</u></em><em><u>=</u></em><em><u>4</u></em><em><u>-</u></em><em><u>2</u></em>

<em><u>(</u></em><em><u>X+</u></em><em><u>2</u></em><em><u>)</u></em><em><u>=</u></em><em><u>2</u></em>

<em><u>X=</u></em><em><u>2</u></em><em><u>-</u></em><em><u>2</u></em>

<em><u>X=</u></em><em><u>0</u></em>

3 0
2 years ago
Marci mailed 9 letters at the post office. Each letter weighed 3.5 ounces. What was the total weight of the letters?
EleoNora [17]

Answer:

The total weight of the letters was 31.5 oz.

Step-by-step explanation:

9 x 3.5 =

6 0
3 years ago
X/4 - 3 = -7<br><br> what is x equal to?
yaroslaw [1]

Answer:

x=-16

Step-by-step explanation:

x/4-3=-7

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x=-16

5 0
3 years ago
If I toss a fair coin in real life and I get two heads in a row, does that change the probability of getting one tail in every t
stepladder [879]
Getting two heads in a row does not change the probability of getting a tail. There is a 50/50 chance for both heads and tails each time you flip a coin, because there are two possibilities each equally possible. The 50% probability of getting a tails is not a guarantee. It's possible to get more heads than tails, or vice versa. What the probability means is that on average the results are about equal, and you have an equal likelihood of getting either result. 

Mythbusters has an episode on this, actually. They explain it really well. I recommend you watch it.
7 0
3 years ago
HELP PLSSS asappppppp
lora16 [44]

Answer:

Its the second option

Step-by-step explanation:

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3 years ago
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