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2 years ago

What's the inequality for Noah has fewer than 8 tennis balls?

Mathematics

2 answers:

atroni [7]2 years ago

7 0

X= tennis balls Noah has
x<8

omeli [17]2 years ago

6 0

$X=tennis \ balls
 \\ Fewer \ than \ = \ < \\ 
 \\ X$

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Carlene is selling T-shirts for a fundraiser. The T-shirts cost $20.50 each. To date, she has raised $700. Her goal is to raise

valina [46]

She needs to sell around 397 more shirts.

Divide 700 by 20.5. This will give you the amount of shirts she has already raised with is 36 (more accurately 36 6/41). Next divide 8900 by 20.5. This is the amount of shirts she needs to sell in total, which is 434. Subtract these two values.

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2 years ago

What 52/60 written in lowest terms?

mars1129 [50]

Answer:

13/15

Step-by-step explanation:

find the GCF = 4

52 / 4 = 13

60 / 4 = 15

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2 years ago

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Historically, these bolts have an average thickness of 10.1 mm. A recent random sample of 10 bolts yielded these thicknesses:

Akimi4 [234]

Answer:

a) Sample mean = 9.99

Sample standard deviation = 0.3348

b) -1.0389

c) 0.1631

Step-by-step explanation:

We are given the following in the question:

9.7, 9.9, 10.3, 10.1, 10.5, 9.4, 9.9, 10.1, 9.7, 10.3

a) sample mean and standard deviation

Formula:

$\text{Standard Deviation} = \sqrt{\displaystyle\frac{\sum (x_i -\bar{x})^2}{n-1}}$

where $x_i$ are data points, $\bar{x}$ is the mean and n is the number of observations.

$Mean = \displaystyle\frac{\text{Sum of all observations}}{\text{Total number of observation}}$

$Mean =\displaystyle\frac{99.9}{10} = 9.99$

Sum of squares of differences = 1.009

$S.D = \sqrt{\dfrac{1.009}{9}} = 0.3348$

b) observed value of the t-statistic

Formula:

$t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }$

Putting all the values, we have

$t_{stat} = \displaystyle\frac{9.99 - 10.1}{\frac{0.3348}{\sqrt{10}} } = -1.0389$

c) probability of these statistics (or worse) if the true mean were 10.1 mm

Degree of freedom = n - 1 = 9

Calculating the value from the table

$P(x < 9.99) = 0.1631$

0.1631 is the the probability of these statistics (or worse) if the true mean were 10.1 mm

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3 years ago

Which difference will be positive? -4 - (-5) -4 - 3 8 - 9 -6 - (-4)

slamgirl [31]

The 1st one -4 - (-5) equals 1

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3 years ago

In complete sentence tell me about hamiltions three step plan? i need help fast

Oksi-84 [34.3K]

Answer:

Hamilton created three different reports that outlined his program and proposals. The reports were the First Report on Public Credit, the Second Report on Public Credit, and the Report on Manufactures. Congress implemented Hamilton's economic program.

Hope this helps!

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3 years ago

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