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balandron [24]
3 years ago
15

Change 1700kg into tonnes ,pls help im so dumb:)

Mathematics
1 answer:
nordsb [41]3 years ago
4 0

Answer:

Step-by-step explanation:

1700 Kilograms (kg) =  1.7 Tonne (ton)

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Tyler is making hiking snacks. He has 3 bags and puts 1 1/4
fiasKO [112]

Answer:

3 3/4 i think

Step-by-step explanation:

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2 years ago
Research indicates that many Americans do not save enough for retirement, on average. A group of economists at the Federal Reser
Scrat [10]

This question is incomplete, the complete question is;

Research indicates that many Americans do not save enough for retirement, on average. A group of economists at the Federal Reserve Bank of St. Louis are interested in conducting a study to examine whether Americans between the ages of 55 and 65 have saved too little. The analysts obtain a random sample of Americans in this age group and proceed to test if there is evidence of insufficient savings from these data. The variable considered is the total amount of savings for each individual, reported in thousands of US dollars (i.e. if value 3 appears in the data set, it stands for $3,000.)

Required:

Assume that financial specialists suggest that the minimum level of retirement savings should be 1.5 million US dollars. Use the JMP output to report the value of the test statistic used to gather evidence against the null hypothesis. Report your answer as a number ( no symbols ) and round up to two decimal places.

Test mean

Hypothesized value : 1500

Actual Estimate        : 1613.07

DF                             : 251

Std Dev                    : 782.626

t Test

prob > |t|  0.0226*

Answer:

the value of the test statistic used to gather evidence against the null hypothesis is 2.29

Step-by-step explanation:

Given the data in the question,

we determine Test statistics of using the formula

t = (x" - μ) / (s/√n)

where;

μ is the theoretical mean ( 1500 )

x" is the observed mean ( 1613.07)

s is the standard deviation ( 782.626 )

n is the sample size ( DF = n - 1, n = DF + 1 , n = 251 + 1 = 252 )

so we substitute

t = (1613.07 - 1500 ) / (782.626 / √252)

t = 113.07 / 49.3008

t = 2.29

Therefore, the value of the test statistic used to gather evidence against the null hypothesis is 2.29

8 0
2 years ago
(6-2i)^2 which is the coefficient of i ?
Yuki888 [10]

Option A: -24 is the coefficient of i

Explanation:

The expression is (6-2 i)^{2}

To determine the coefficient of i, first we shall find the square of the binomial for the expression (6-2 i)^{2}

The formula to find the square of the binomial for this expression is given by

(a-b)^{2}=a^{2}-2 a b+b^{2}

where a=6 and b=2i

Substituting this value and expanding, we get,

(6-2 i)^{2}=6^{2} -2(6)(2i)+(2i)^{2}

Simplifying the terms, we have,

(6-2 i)^{2}=36-24i-4

Thus, from the above expression the coefficient of i is determined as -24.

Hence, Option A is the correct answer.

7 0
3 years ago
List the four multiples of 3/4
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