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Yakvenalex [24]
2 years ago
12

Which of the following models the Associative Property?

Mathematics
2 answers:
ZanzabumX [31]2 years ago
6 0
I believe the answer is A, I think this because associative property is moving the parentheses and it not changing the answer
Setler [38]2 years ago
4 0
It’s d because it’s d because it’s d because it’s d
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PQ and RS are two lines that intersect at point T, as shown below:
Leno4ka [110]

Answer:

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Step-by-step explanation:

you just have to ss it first and then it will show up when you go to upload

7 0
3 years ago
Carlotta asks 30 campers which outdoor activity they enjoy. Of these campers, 13 enjoyed swimming, 17 enjoy baseball, and 8 enjo
IgorC [24]
17+13=30-8=22
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8 0
3 years ago
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Figure B is a scaled copy of Figure A.
elixir [45]

Answer:

The scale factor would be 1/2.

Step-by-step explanation:

2 of the sides both are 4 units.

If you go to figure B, it got smaller.

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On figure B, 2 of the sides are 2 units.

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6 0
2 years ago
Eric is studying people's typing habits. He surveyed 525 people and asked whether they leave one space or two spaces after a per
Otrada [13]

Answer: (0.8115, 0.8645)

Step-by-step explanation:

Let p be the proportion of people who leave one space after a period.

Given:  Sample size : n= 525

Number of people responded that they leave one space. =440

i.e. sample proportion: \hat{p}=\dfrac{440}{525}\approx0.838

z-score for 90% confidence level : 1.645

Formula to find the confidence interval :

\hat{p}\pm z^*\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

0.838\pm (1.645)\sqrt{\dfrac{0.838(1-0.838)}{525}}\\\\=0.838\pm (1.645)\sqrt{0.00025858285}\\\\=0.838\pm (1.645)(0.01608)\\\\= 0.838\pm0.0265\\\\=(0.838-0.0265,\ 0.838+0.0265)\\\\=(0.8115,\ 0.8645)

Hence, a 90% confidence interval for the proportion of people who leave one space after a period: (0.8115, 0.8645)

3 0
3 years ago
What is the square root of 67
Inessa [10]

Every positive number has two square roots.

The square roots of  67  are  8.185... (rounded) and  -8.185... (rounded) .

Both are irrational numbers, so they can't be completely written down
with digits.  No matter how many decimal places I write, it can never be
enough, because these decimals go on forever and never end.

3 0
3 years ago
Read 2 more answers
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