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3 years ago

9

What is the opposite of -3/5

1 answer:

Masteriza [31]3 years ago

3 0

Answer:

3/5

3/5

-5/3

Step-by-step explanation:

The opposite of a number is the positive or negative version of a positive or negative number. The absolute value is the number of spaces away from 0 on a number line and is always positive. The reciprocal is the denominator and the numerator switched.

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Can someone answer this w²+7w-18

EleoNora [17]

Answer:

Using the "AC Method" I got (w - 2) (w + 9)

Step-by-step explanation:

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3 years ago

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Nine less than four times a number equals fifteen

OverLord2011 [107]

4n-9=15. N=6 (n stands for number)

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4 years ago

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maria [59]

I'm pretty sure its the second one

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3 years ago

Fernanda runs a large bowling league. She suspects that the league average score is greater than 150 per

murzikaleks [220]

Answer:

1.20

Step-by-step explanation:

Let mean be represented by M and standard deviation by d. The score will be x and sample number of games be n

To get the test statistic, t for Fernanda's test, we use the formula

$t=\frac {M-x}{\frac{s}{\sqrt n}}$

Substituting 156 for mean, M then 150 for score x and 30 for standard deviation while 36 for n then

$t=\frac {156-150}{\frac{30}{\sqrt 36}}$

t=1.20 when put in two decimal place

6 0

3 years ago

Central angle ACD of circle C has a measure of 50 degrees. What is the measure of arc AD? What is the measure of inscribed angle

uysha [10]

Answer:

see explanation

Step-by-step explanation:

The inscribed angle ABD is on half the central angle ACD, that is

∠ ABD = 0. × 50° = 25°

The measure of arc AD is equal to the central angle it subtends, thus

arc AD = 50°

3 0

3 years ago