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grigory [225]
3 years ago
11

Right isosceles triangles are similar. Always Sometimes Never

Mathematics
2 answers:
MakcuM [25]3 years ago
8 0

Answer:

Sometimes

Step-by-step explanation:


kow [346]3 years ago
5 0
Always, the proportions make it so

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A safety officer wants to prove that μ = the average speed of cars driven by a school is less than 25 mph. Suppose that a random
Akimi4 [234]

Answer:

t=\frac{24-25}{\frac{2.2}{\sqrt{14}}}=-1.70    

The degrees of freedom are given by:

df=n-1=14-1=13  

The p value for this case would be given by:

p_v =P(t_{(13)}  

Step-by-step explanation:

Information given

\bar X=24 represent the mean height for the sample  

s=2.2 represent the sample standard deviation

n=14 sample size  

\mu_o =25 represent the value that we want to test

t would represent the statistic

p_v represent the p value for the test

Hypothesis to verify

We want to cehck if the true mean is lees than 25 mph, the system of hypothesis would be:  

Null hypothesis:\mu \geq 25  

Alternative hypothesis:\mu < 25  

The statistic would be given by:

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Replacing the info given we got:

t=\frac{24-25}{\frac{2.2}{\sqrt{14}}}=-1.70    

The degrees of freedom are given by:

df=n-1=14-1=13  

The p value for this case would be given by:

p_v =P(t_{(13)}  

8 0
2 years ago
at the ice cream shop there are 14 shakes sold for every 6 malts. What is the ratio of malts to shakes'
ad-work [718]
The ratio would be 14:6
If you reduce it it would be 7:3
8 0
3 years ago
Read 2 more answers
How many terms does the expression r ÷ 9 + 5.5 have?
Murrr4er [49]

Answer:

the expression has 3 terms

Step-by-step explanation:

Hope it helps

6 0
2 years ago
There are 100 tiles in a word game, and 2 of the tiles are blank. Kiera draws 6 tiles, and none of them are blank.
Kay [80]

Answer:

\frac{1}{47} or around 2%

Step-by-step explanation:

So we need to see how many tiles are left.

100 - 6 = 94

So we have 94 tiles. 2 of them are blank, so the chance of one being blank is:

2 / 94 which is \frac{1}{47}

And that is our answer! Hopefully this helps, have a nice day :D

7 0
3 years ago
Determine which best describes a shape shown
nikdorinn [45]
Kite if u picture a kite it’s that shape none of the others would look like that shape
3 0
2 years ago
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