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3 years ago

12

3/5 completed. What fraction of the job remains to be done

2 answers:

exis [7]3 years ago

5 0

2/5 of the job remains to be done.

Korvikt [17]3 years ago

5 0

2/5 of the job still has to be done

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HELP!!! WILL GIVE BRAINLIEST TO CORRECT ANSWER!!!!!!!

iren2701 [21]

The answer is c. hope that helped

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3 years ago

What are the two words that allow you to check your division problem backward?

Dahasolnce [82]

Answer:

inverse operation

Step-by-step explanation:

Inverse means opposite. The opposite of division is multiplication. For example, if you divided 15 by 3, the answer is 5. If you multiply 5 by 3, the answer is 15. You know your answer is correct by checking it with the inverse operation.

Hope this helps!! Have a wonderful day :3

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3 years ago

If A( 6, -1) , B( 1,3) and C( k, 8) are three points such that AB = BC, find the value of k

Drupady [299]

Answer:

De value of k is 9

Step-by-step explanation:

6,-1

b(1,3)

(k,8)

am using bodmas

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6a+3b+8=17-8

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3 years ago

Please i need help with 4th grade math please write the answer and shiw the solution hownto solve the problem step by step.thank

julia-pushkina [17]

Answer:

110

Step-by-step explanation:

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2 years ago

Read 2 more answers

0 A maker of a certain brand of low-fat cereal bars claims that the average saturated fat content is 0.5 gram. In a random sampl

balandron [24]

Answer:

<em>The first step is to determine the average </em>

$x= \frac{0,6+0,7+ 0,7+0,3+0,4+ 0,5+ 0,4 +0,2}{8}\\\ x= 0,475$

<em>The exercise says it’s a normal distribution: (n=8)</em>

$s^{2}= \frac{1}{n-1} ((0,6.x)^2+2(0,7-x)^2+(0.3-x)^2+2(0.4-x)^2+(0.5-x)^2+(0.2-x)^2)\\\ \frac{1}{7}*0,235 = 0,0336 \\\\ s= 0183$

<em>According to the exercise, the mean is equal to 0,5 then the value of t of the distribution can be obtained </em>

<em />

$t= \frac{x-u}{\frac{s}{\sqrt{n} }}\\\ t= \frac{0,475 - 0,5}{0,183}\\\ t= -0,3860$

<em>The variable t has 7 grade to liberty, we calculate the p-value as: </em>

$2* P(t < - 0,3860)= \\\ 2* 0,3554 = 0,7108$

This value is very high, therefore the hypothesis is not rejected

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3 years ago