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2 years ago

Which comparison is correct?

Mathematics

1 answer:

daser333 [38]2 years ago

7 0

The correct answer choice is B(third option)

140.07 is smaller than (<) 140.7

This is because there is no digit in the hundreths place in 140.07,while there is a 7 in the hundreths place. 0 is less than < 7, therefore

140.07 is smaller than 140.7

B.140.07 < 140.7

Hope this helps & good luck on your assignment <3 !!!

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Which answer is the approximate standard deviation of the data set?

Ierofanga [76]

Answer: A. 6.5

Step-by-step explanation:

Here, the given set = { 15, 19 3, 12, 17, 2, 2, 8}

Mean, $\overline{ x} = \frac{15+19+3+12+17+2+2+8}{8} = \frac{78}{8} = 9.75$

Number of elements, n = 8

$\frac{\sum (|x-\overline{x}|)^2}{n}=42.4375$

Thus, the standard deviation, $\sigma =\frac{\sqrt{\sum(|x-\overline{x}|)^2} }{n}=\sqrt{\frac{339.5}{8}}=\sqrt{42.4375} = 6.51440711\approx 6.5$

⇒ Option A is correct.

4 0

3 years ago

Read 2 more answers

Please help with this Geometry worksheet.

Marianna [84]

Answer:

1. x= 122(answer on pdf=n)

2. x=38(answer on pdf=s)

7. x=26(answer on pdf=l)

8. x=14(answer on pdf=p)

13. x=22(answer on pdf=b)

14. x=12(answer on pdf=k)

Step-by-step explanation:

Supplementary angle for number 1 so 58+x=180

180-58=x=122

Number 2 is a complimentary angle so 52+x=90

90-52=x=38

Number 7 is a complimentary angle so 64+x=90

90-64=x=26

Number 8 it states that the angles are equal so 4x=56

56/4=x=14

Number 13 is a supplementary angle so (6x-2)+50=180

(180-50+2)/6=x=22

132/6=x=22

Number 14 is complimentary so 8x-6=90

96/8=x=12

4 0

4 years ago

Which of the following represents the additive inverse of 125? A. -(-125) B. 125 C. -125 D. 1/25

Elden [556K]

Additive inverse of 125 is – 125, option C is correct.

Solution:

Given that , a number is 125

We have to find the additive inverse for the above given number from the above given set of options.

Now, we know that, sum of a number and its additive inverse equals to 0.

So, let us check option by option.

Option A:

Given number is -(-125)

-(-125) ⇒ 125 + ( - ( - 125 ) )

⇒ 125 + 125

⇒ 250 ⇒ wrong option

Option B:

Given number is 125

⇒ 125 + 125 ⇒ 250 ⇒ wrong option

Option C:

Given number is -125

125 + ( - 125 ) ⇒ 125 – 125 ⇒ 0 ⇒ correct option

Hence, additive inverse of 125 is – 125, option C is correct

7 0

4 years ago

Read 2 more answers

At a party there are 4 large sandwiches all the same size 2/3 of the chicken sandwich were eaten 3/4 of the Turkey was eaten 7/1

IgorLugansk [536]

The roast beef because you find a common denominator of twelve so the chicken sandwich had 8/12 the turkey had 9/12 the roast beef had 7/12 and the tuna had 10/12

6 0

3 years ago

What is 5/15 × 9/25 =

zubka84 [21]

$\frac{5}{15} * \frac{9}{25} = \frac{1}{3}*\frac{9}{25} = \frac{1}{1}*\frac{3}{25}
\\\boxed{\frac{3}{25}}$

Message me if you're confused. I might have wrote this down a little weird.

3 0

3 years ago