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m_a_m_a [10]
3 years ago
13

What is (3+7)x 6+4 using pemdas​

Mathematics
2 answers:
photoshop1234 [79]3 years ago
8 0

Answer:

64

Step-by-step explanation:

P.E.M.D.A.S. stands for parentheses, exponents, multiplication, division, addition, and subtraction

so first do the parentheses (3+7) = 10   which leaves 10×6+4  then since their is no exponents do multiplication which is 10×6=60  which leaves 60+4 finally since their is no division do addition 60+4=64

e-lub [12.9K]3 years ago
6 0

Answer:

64

Step-by-step explanation:

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An F5 tornado is classified as having mean wind speeds greater than 261 mph. In an effort to classify a recent tornado, 20 wind
mina [271]

Complete Question

An F5 tornado is classified as having mean wind speeds greater than 261 mph. In an effort to classify a recent tornado, 20 wind speed measurements were randomly selected from within the path of the tornado. Suppose the mean wind speed for this tornado really is greater than 261 mph with a sample standard Deviation 41.09 mph. Based on the data, if we fined little to no evidence against the null hypothesis that the mean wind speed is 261 mph, we have made _______________.

Answer:

P-value=0.3322

Step-by-step explanation:

From the question we are told that:

Sample size n=20

Population mean N=261  

Sample mean \=x= 265.1  

Sample standard deviation \sigma=41.09    

Generally the equation t test statistics is mathematically given by

t=\frac{\=x-\mu}{\frac{s}{\sqrt{n} } }

t=\frac{265.1-261}{\frac{41.09}{\sqrt{20} } }

t=0.446

Therefore

Pvalue from table is

P-value=0.3322

6 0
3 years ago
Four students spent $12 on school lunch , At this rate , Find The Amount 10 students would spend on the same school lunch ?
DENIUS [597]
Set up a proportion
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120=4x
divide by 4
30=x
10 students would spend $30 on the same school lunch
6 0
3 years ago
Can someone please help me.understand how to solve this. 78 points if you solve.
galina1969 [7]

Answer: 65

Step-by-step explanation:

Angles of a quadrilateral add up to 360 so,

360 - 47 - 115 - 133 = 65

4 0
3 years ago
Simplify the expression.
astraxan [27]
U don't wanna write but I am 90+50/6-5 Inna do the rest in comments
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Twice the difference between six times a number and three
Evgesh-ka [11]

The answer is: 2-6x+3x

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