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Debora [2.8K]
3 years ago
15

309,099,990 expanded form

Mathematics
2 answers:
Marrrta [24]3 years ago
5 0
Three hundred nine million ninety nine thousand nine hundred and ninety.
storchak [24]3 years ago
5 0
300,000,000+9,000,000+90,000+9,000+900+90
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What is the solution set of y< 1-6x
Viefleur [7K]
Y<1-6x


Insert the values of
x
=
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into the equation to find if the ordered pair is a solution.
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−
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x
y
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Rewrite so
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x
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4 0
3 years ago
Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the number of pairs of sneakers
eimsori [14]

The mean of sample x is 5.83

The standard deviation is 5.63

<h3>What is standard deviation?</h3>

A standard deviation (or σ) is a measure of how dispersed the data is in relation to the mean. Low standard deviation means data are clustered around the mean, and high standard deviation indicates data are more spread out.

Given:

Frequency:  2 2 4 13 13 1

If x is the pair of sneakers owned of the frequency,

mean = 2+2+4+13+13+1/5

= 35/6

= 5.83

The  standard deviation is equal to 5.63.

Learn more about this concept here:

brainly.com/question/18119796

#SPJ1

8 0
3 years ago
Find m angle C to the nearest degree.
atroni [7]

Answer:

C = arctan(AB/AC) = arctan( 2/11) = ~10.3 deg

=> D is correct

4 0
3 years ago
under certain circumstances, a rumor spreads according to the where p(t) is the proportion of the population that knows the rumo
Gnesinka [82]

Answer:

p(t) = 0.8 when t = 7.38 hours

Step-by-step explanation:

3 0
3 years ago
The vertex of this parabola is at (3,5). When the Y value is 6X value is negative one what is the coefficient of the squared ter
iren2701 [21]

We know that equation of a parabola is given by :-

y = a(x-h)² + k

Where (h,k) is the vertex of parabola and (x,y) is any point on its curve.

Given that vertex of parabola is (3,5) and one point (x,y) is (6,-1).

We can plug the given information in the equation of parabola and solve it for value of 'a' :-

-1 = a(6 - 3)² + 5

-1 = a(3)² + 5

-1 = 9a + 5

9a = -1 -5 = -6

a = \frac{-6}{9} = \frac{-2}{3}

a = \frac{-2}{3} is the final answer.

7 0
3 years ago
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