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Vadim26 [7]
3 years ago
14

Story problems don't know when to add subtract multiply or divide

Mathematics
1 answer:
Eddi Din [679]3 years ago
5 0
Addition:<span> Add, Sum, Plus, Increase, Total

Subtraction: </span><span>Subtract, Minus, Less, Difference, Decrease, Take Away, Deduct
<span><span>
Multiplication: Multiply, Product, By, Times, Lots Of
</span></span><span><span>
Division: Divide, Quotient, Goes Into, How Many Times</span></span></span>
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when you use the distance formula does the order in which you subtract the x and y coordinates matter explain
icang [17]
Use the first x then subtract the second x. then the y then the second y. yes it does matter because the numbers you subtract will add up to your answer
8 0
3 years ago
Read 2 more answers
Bill is 15 years older than Paul. Paul is 7 years older than half Milo's age. The sum of all three ages is 85. How old is Bill?
katrin2010 [14]

Answer:

Step-by-step explanation:

Let Milo's age = x

Paul's \ age =\dfrac{1}{2}x+7\\\\\\Bill's \ age = \dfrac{1}{2}x + 7  +15 =\dfrac{1}{2}x+22

Sum of all three ages = 85

x +\dfrac{1}{2}x+7 +\dfrac{1}{2}x+22 = 85\\x +\dfrac{1}{2}x+\dfrac{1}{2}x+7+22 =85\\2x+29=85\\     2x  = 85-29\\\\     2x  = 56\\\\      x = \dfrac{56}{2}\\\\x =28 \ years\\\\\\Bill's \  age =\dfrac{1}{2}x+22 =\dfrac{1}{2}*28+22\\\\\\= 14+22\\

Bill's age = 36 years

6 0
2 years ago
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Helpppppppppppppppppppppppp plssssss
ikadub [295]
The answer should be C: 12
6 0
3 years ago
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According to a Human Resources report, a worker in the industrial countries spends on average 419 minutes a day on the job. Supp
MA_775_DIABLO [31]

Answer:

A) Between 388 and 450

B) Between 357 and 481

C) Between 326 and 512

D) 99.995%

E) 72.907%

Step-by-step explanation:

We are given;

Mean; x¯ = 419 minutes

Standard deviation; σ = 31 minutes

A) From the empirical rule, 68% falls within 1 standard deviation.

Thus, it will be between;

419 - 1(31) and 419 + 1(31)

Thus gives;

Between 388 and 450

B) From the empirical rule, 95% falls within 2 standard deviation.

Thus, it will be between;

419 - 2(31) and 419 + 2(31)

Thus gives;

Between 357 and 481

C) From the empirical rule, 99.7% falls within 2 standard deviations.

Thus, it will be between;

419 - 3(31) and 419 + 3(31)

Thus;

Between 326 and 512

D)between 359 and 479 minutes, we will use z-s roe formula;

z = (479 - 359)/31

z = 3.871

From the z-table attached, we see that the probability is 0.99995 and as such, the percentage is 99.995%

E) worker spent 400 minutes on the job.

Thus;

z = (419 - 400)/31

z = 0.613

From z-tables, p = 0.72907

In percentage, we have; 72.907%

6 0
3 years ago
What is 0.5 + -1 1/2
lakkis [162]

-1 is your answer.........


6 0
3 years ago
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