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Gala2k [10]
3 years ago
8

What is 2 times 3/8? explain how you know

Mathematics
2 answers:
Wewaii [24]3 years ago
8 0
3/8 x 2/1 = 6/8 or 3/4. 2/1 equals 2 so you multiply them
Alex_Xolod [135]3 years ago
6 0
Ok, remember that if you had 1/2 times 3/4 that (1 times 3)/(2 times 4)
what you do is mutliply top number with top number and bottom number by bottom numer

remember that 2=2/1 so

2/1 times 3/8=
2 times 3=6
1 times 8=8
2/1 times 3/8=6/8
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A rectangular stained glass window is made up of identical triangular parts as pictured below.
Pachacha [2.7K]
36/4=9 48/3=16 so 9*16=144/2=72 so it is 72 square inches
3 0
3 years ago
Read 2 more answers
A sociologist wants to determine if the life expectancy of people in africa is less than the life expectancy of people in asia.
Colt1911 [192]

Answer:

The sample statistics are attached.

First, we need to determine the hypothesis.

The null hypothesis should be: H_{o} : u_{africa} \geq u_{asia}.

The alternative hypothesis should be: H_{a}: u_{africa}

The next step is about calculating the<em> t statistics </em>based on the samples. This <em>t test </em>will give the probability value or p-value, which determines if there's enough to reject the null hypothesis. The formula we need to use to find the t-value is: t=\frac{x_{1}-x_{2}  }{\sqrt{\frac{s_{1} ^{2} }{n_{1} } +\frac{s_{2} ^{2} }{n_{2} } } }

Replacing all the values into the formula, we have:

t=\frac{52.4-58.1}{\sqrt{\frac{(7.4)^{2} }{45}+\frac{(8.8)^{2} }{35}  } } \\t=\frac{-5.7}{\sqrt{1.2+2.2} } =\frac{-5.7}{1.8} =-3.2

Therefore, the t-value is -3.2.

Now, we using a level of significance of 0.01, and a degree of freedom (df) of 34, we use the t-table to find the p-value for this results. (df = N -1; in this case, we take the smaller sample, which is 35, giving us 34 of df).

Therefore, according to the table attached, <em>the p-value is less than 0.01,</em> which is less than our level of significance. This result means that the null hypothesis is rejected. In other words, there's enough evidence to say that <em>the life expectancy of people in Africa is less than the life of expectancy of people in Asia.</em>

<em></em>

3 0
3 years ago
Help me pls what is 10,000 is 1/10 of
Damm [24]

Answer:

1000

Step-by-step explanation:

6 0
3 years ago
Dianna runs a race of 2 miles in 8 minutes at a steady speed. Each mile she runs beyond 2 miles, her speed slows 1 mile a minute
Tamiku [17]
Okay: We know that 2 Miles takes her 8 minutes. Every mile after that we add a minute. Let’s put that into a sequence:

4,8,13,19,26

We add an extra minute every mile after 8 minutes. +5,+6,+7

26 is your answer.

I hope this helps!
~kaikers
7 0
3 years ago
Please help!!!
Nonamiya [84]

Answer:

I belive it would be 1/5. ;;;

4 0
3 years ago
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