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topjm [15]
3 years ago
14

a cube has edge length 10 cm. starting at the vertices dots are placed along every edge at 1cm intervals. how many dots will the

re be in total once the pattern has been completed?​
Mathematics
1 answer:
Tamiku [17]3 years ago
3 0

Answer:

120 dots

Step by step explanation:

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Which expression is equal to 6(-3m)4?
hichkok12 [17]

Answer: -72m

Step-by-step explanation:

Simplify

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3 years ago
What rule is shown by this input/output table and coordinate plane?
Gala2k [10]

Answer:

subtract 3

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So, 6-3=3  7-3=4  8-3=5

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5 0
2 years ago
Read 2 more answers
A study is done by a community group in two neighboring colleges to determine which one graduates students with more math classe
stealth61 [152]

Answer:

t=\frac{(4-3.5)-0}{\sqrt{\frac{1.5^2}{11}+\frac{1^2}{9}}}}=0.890  

The p value for this case would be:

p_v =P(t_{18}>0.890)=0.193  

The p value is higher than the significance level so then we can conclude that we can FAIL to reject the null hypothesis and then the true mean for group A is not significantly higher than the mean for B

Step-by-step explanation:

Information given

\bar X_{1}=4 represent the mean for sample A

\bar X_{2}=3.5 represent the mean for sample B

s_{1}=1.5 represent the sample standard deviation for A

s_{2}=1 represent the sample standard deviation for B  

n_{1}=11 sample size for the group A

n_{2}=9 sample size for the group B  

\alpha=0.1 Significance level provided

t would represent the statistic

Hypothesis to test

We want to verify if the student who graduates from college A has taken more math classes, on the average, the system of hypothesis would be:  

Null hypothesis:\mu_{1}-\mu_{2} \leq 0  

Alternative hypothesis:\mu_{1} - \mu_{2}> 0  

The statistic is given by:

t=\frac{(\bar X_{1}-\bar X_{2})-\Delta}{\sqrt{\frac{s^2_{1}}{n_{1}}+\frac{s^2_{2}}{n_{2}}}} (1)  

And the degrees of freedom are given by df=n_1 +n_2 -2=11+9-2=18  

Replacing we got:

t=\frac{(4-3.5)-0}{\sqrt{\frac{1.5^2}{11}+\frac{1^2}{9}}}}=0.890  

The p value for this case would be:

p_v =P(t_{18}>0.890)=0.193  

The p value is higher than the significance level so then we can conclude that we can FAIL to reject the null hypothesis and then the true mean for group A is not significantly higher than the mean for B

5 0
3 years ago
Solve (x + 1 < 4) ∩ (x - 8 > -7).
Romashka-Z-Leto [24]
When solved 
(x + 1 < 4) ∩ (x - 8 > -7) 
becomes:
(x+1-1 < 4-1) ∩ (x - 8 +8 >  -7+8 ) 
(x < 3) ∩ (x > 1).
and if you change places it will become even more obvious:
 ( 1<x ) ∩ ( x < 3 )
meaning:  x is set of all numbers greater than 1 and less than 3 or otherwise: 
{x | 1 < x < 3}
8 0
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I need to know the area of this figure
rodikova [14]
46 because 1/2 of 4 is two and 9+13 is 23 so 23*2 is 46
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3 years ago
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