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tangare [24]
3 years ago
9

Please answer quickly I will give who ever answer this 50 POINTS AND MARKED AS BRAINIEST

Mathematics
1 answer:
Kay [80]3 years ago
8 0

Question

<em>Which equation shows the Identity Property of Multiplication?</em>

<em>Answer</em>

<em>There are four properties involving multiplication that will help make problems easier to solve. They are the commutative, associative, multiplicative identity and distributive properties. Multiplicative identity property: The product of any number and one is that number.</em>

D.) 45*1=45

Hope this helps!



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vodka [1.7K]
-4 and -9 is the correct answer
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MATH HELP...PLz
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b. 2,430, 7,290, 21,870..... It is x3

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Hope this helps!


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3 years ago
The lower the average monthly temperature, the higher the monthly heating bill.
sergejj [24]
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3 years ago
Michmoo Computer Company sells computers and computer parts by mail. The company assures its customers that products are mailed
Anastaziya [24]

Answer: (60.858, 69.142)

Step-by-step explanation:

The formula to find the confidence interval for mean :

\overline{x}\pm z_c\dfrac{\sigma}{\sqrt{n}} , where \overline{x} is the sample mean , \sigma is the population standard deviation , n is the sample size and z_c is the two-tailed test value for z.

Let x represents the time taken to mail products for all orders received at the office of this company.

As per given , we have

Confidence level : 95%

n= 62

sample mean : \overline{x}=65 hours

Population standard deviation : \sigma=18 hours

z-value for 93% confidence interval: z_c=1.8119  [using z-value table]

Now, 93% confidence the mean time taken to mail products for all orders received at the office of this company :-

65\pm (1.8119)\dfrac{18}{\sqrt{62}}\\\\ 65\pm4.142\\\\=(65-4.142,\ 65+4.142)\\\\= (60.858,\ 69.142)

Thus , 93% confidence the mean time taken to mail products for all orders received at the office of this company : (60.858, 69.142)

8 0
4 years ago
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vampirchik [111]

Answer:

11

Step-by-step explanation:

Np bro, I've dealt with these all through 7th XD

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3 years ago
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