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weqwewe [10]
3 years ago
10

ANSWER FAST PLEASE!!!! Which one is closer to 3? 2.5 2 1/5

Mathematics
1 answer:
olasank [31]3 years ago
3 0

Answer:

2.5 is closer

Step-by-step explanation:

Had this on a worksheet for math.

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Find the measure of the angle indicated. <br><br> A. 130°<br> B. 142°<br> C. 145°<br> D. 38°
Inessa [10]

Answer: 142°

Step-by-step explanation:

∡BAC= 38°

∡BAN= 180°-38° = 142°

7 0
2 years ago
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A survey finds that 55 people out of 170 favor increasing property taxes to help pay for a new library. If this data is used to
Aloiza [94]

Answer: B. 0.036

Step-by-step explanation:

Formula for standard error :

SE=\sqrt{\dfrac{p(1-p)}{n}}

, where p = Population proportion and n= sample size.

Let p be the population proportion of the people who favor new taxes.

As per given , we have

n= 170

p=\dfrac{55}{170}\approx0.324

Substitute these values in the formula, we get

SE=\sqrt{\dfrac{0.324(1-0.324)}{170}}\\\\=\sqrt{0.00129}\\\\=0.0359165699921\approx0.036

Hence, the standard error of the estimate is 0.036.

∴ The correct answer is OPTION B. 0.036

8 0
3 years ago
Darren got 42 out of 56 questions correct on a test. What percent of the questions did he get correct?
chubhunter [2.5K]

Answer:

75%

42/56 =  42/56

Convert to decimal form:

42÷56 = 0.75

= 75%

Can you mark as brainliest if its right?

3 0
2 years ago
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Find the highest common factor of<br> 72 and 135
andrey2020 [161]

Answer:9

Step-by-step explanation:

Find the prime factorization of 72

72 = 2 × 2 × 2 × 3 × 3

Find the prime factorization of 135

135 = 3 × 3 × 3 × 5

To find the GCF, multiply all the prime factors common to both numbers:

Therefore, GCF = 3 × 3

GCF = 9

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2 years ago
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What is the answer to -22/9r = 11/9
astra-53 [7]

Answer:

2

Step-by-step explanation:

<em>for </em><em>this </em><em>question</em><em> </em><em>you've </em><em>to </em><em>cross </em><em>multiply</em>

<em>-</em><em>2</em><em>2</em><em>/</em><em>9</em><em>r</em><em>=</em><em>1</em><em>1</em><em>/</em><em>9</em>

<em>9</em><em>9</em><em>r</em><em>=</em><em>-</em><em>1</em><em>9</em><em>8</em>

<em>then </em><em>you </em><em>divide</em><em> both</em><em> sides</em><em> by</em><em> </em><em>9</em><em>9</em><em> </em><em>inorder </em><em>to </em><em>remain </em><em>with </em><em>r </em><em>on </em><em>one </em><em>side</em>

<em>9</em><em>9</em><em>r</em><em>/</em><em>9</em><em>9</em><em>=</em><em>1</em><em>9</em><em>8</em><em>/</em><em>9</em><em>9</em>

<em>r=</em><em>2</em>

<em>I </em><em>hope </em><em>this </em><em>helps</em>

8 0
3 years ago
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