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3 years ago

What numbers between 49 and 95 that are multiples of 2,3,and9

1 answer:

4 0

There are 45 numbers between 49 and 95

Numbers in the fifties: 50,51,52,53,54,55,56,57,58,59

Numbers in the sixties: 60,61,62,63,64,65,66,67,68,69

Numbers in their seventies: 70,71,72,73,74,75,76,77,78,79

Numbers in their eighties: 80,81,82,83,84,85,86,87,88,89

Numbers in their nineties: 90,91,92,93,94

Multiples of 2:

50,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94

Multiples of 3:

51,54,57,60,63,66,69,72,75,78,81,84,87,90

Multiples of 9:

54,63,72,81,90

Notice that all multiples of nine are also multiples of three? That is because three is a factor of nine

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Add: (−2x^2 + 9x − 3) + (7x^2 − 4x + 2)

borishaifa [10]

Answer:

5x^2+5x-1

Step-by-step explanation:

-2x^2+9x-3+7x^2-4x+2=5x^2+5x-1

8 0

4 years ago

Steps for this equation 6(3e-8)=5e+43

Usimov [2.4K]

Answer:

e = 7

Step-by-step explanation:

Eliminate parentheses using the distributive property.

18e -48 = 5e +43

13e -48 = 43 . . . . . . . . subtract 5e from both sides

13e = 91 . . . . . . . . . . . . add 48 to both sides

e = 7 . . . . . . . . . . . . . . divide both sides by 13

_____

<em>Comment on equation solving</em>

If there are parentheses or fractions, it usually works well to eliminate those. The distributive property is used to eliminate parentheses. Fractions can be eliminated by multiplying the equation by the denominator. (We mean 'multiply both sides of the equation by the denominator'.) If you have excellent skill with arithmetic using fractions, you don't need to go to the trouble to eliminate them.

After the numbers in the equation are mainly integers or decimals, the next step is to look to see where the variable of interest is located. You want to do what it necessary to put all of the variable terms on one side of the equal sign, and everything else on the other side. The procedure generally is to decide what you don't want, and subtract that from both sides of the equation.

Finally, you divide by the coefficient of the variable, so the variable stands alone on one side of the equal sign. This shows you the solution.

8 0

3 years ago

Instructions

Naya [18.7K]

Answer:

yes

Step-by-step explanation:

youre trying to find when -1/4x + 3/2 = -x+ 3

so if you set it up like that and then solve for x you get 2

then, you know that 2 is your x value so just plug in x into one of the equations to get the y value

(i used -x+3 bc its easier)

-2+3=y

y= 1

so your solution is (2,1)

also heres the graph

5 0

3 years ago

A psychologist wants to estimate the proportion of people in a population with IQ scores between 80 and 140. The IQ scores of th

ryzh [129]

Using the Empirical Rule, it is found that the proportion of people in a population with IQ scores between 80 and 140 is of 0.95 = 95%.

<h3>What does the Empirical Rule state?</h3>

It states that, for a normally distributed random variable:

Approximately 68% of the measures are within 1 standard deviation of the mean.

Approximately 95% of the measures are within 2 standard deviations of the mean.

Approximately 99.7% of the measures are within 3 standard deviations of the mean.

Considering the mean of 110 and the standard deviation of 15, we have that:

80 = 110 - 2 x 15.

140 = 110 + 2 x 15.

These values are both the most extreme within 2 standard deviations of the mean, hence the proportion of people in a population with IQ scores between 80 and 140 is of 0.95 = 95%.

More can be learned about the Empirical Rule at brainly.com/question/24537145

#SPJ1

7 0

2 years ago

Help me please if you know it

omeli [17]

93/150 would be the final answer

7 0

2 years ago