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dmitriy555 [2]
3 years ago
7

Could some one help me with this problem? 13 - 8.1 =

Mathematics
2 answers:
sveta [45]3 years ago
5 0
Yeah so just do 130-81 and stick the decimal point between the tens and ones place. 
Thus, 130 - 81 = 49. It is 4.9

torisob [31]3 years ago
4 0
13 - 8.1 = 4.9, because 13 minus 8.1 if you do the math is 4.9
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20/12 improper fraction
KengaRu [80]
The answer is, 0.6. To get that answer you have to divide 20 and 12. 20 is dividend, and 12 is tge divisor.
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3 years ago
Solve for x: −4x+6(6−2x)=−7x−36
ValentinkaMS [17]

Answer:

x = 8

Step-by-step explanation:

-4x + 6(6 - 2x) = -7x - 36

-4x + 36 - 12x = -7x - 36

-16x + 36 = -7x - 36

<u>       +36           +36</u>

-16x + 72 = -7x

<u>+16x           +16x</u>

72 = 9x

divide by 9

<u><em>x = 8</em></u>

4 0
3 years ago
Read 2 more answers
Hexagon DEFGHI is translated on the coordinate plane below to create hexagon D′E′F′G′H′I′:
dalvyx [7]

Answer:

A

Step-by-step explanation:

it goes down by 9 and left by 3

7 0
2 years ago
The weights of soy patties sold by Veggie Burgers Delight are normally distributed. A random sample of 15 patties yields a mean
Elden [556K]

Answer:

t=\frac{3.8-4}{\frac{0.5}{\sqrt{15}}}=-1.549    

Step-by-step explanation:

Data given and notation  

\bar X=3.8 represent the sample mean

s=0.5 represent the sample standard deviation for the sample  

n=15 sample size  

\mu_o =4 represent the value that we want to test

\alpha represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the mean weight is less than 4 ounces, the system of hypothesis would be:  

Null hypothesis:\mu \geq 68  

Alternative hypothesis:\mu < 4  

If we analyze the size for the sample is < 30 and we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:  

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

t-test: "Is used to compare group means. Is one of the most common tests and is used to determine if the mean is (higher, less or not equal) to an specified value".  

Calculate the statistic

We can replace in formula (1) the info given like this:  

t=\frac{3.8-4}{\frac{0.5}{\sqrt{15}}}=-1.549    

3 0
3 years ago
Question in picture solve
deff fn [24]

Answer:

-1.5 if its wrong then ur teacher is 1 IQ

6 0
2 years ago
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