3 years ago

Help me pleaseeeeeee

Mathematics

1 answer:

morpeh [17]3 years ago

3 0

Answer:

Step-by-step explanation:

u move the decimal place left 2 spaces and u would get 0.024

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A sweater is marked down $25 to $19 what is the percent of change

Marrrta [24]

19/25 = x/100
Cross multiply:
1,900
Divide 1,900 by 25
Equals 76
Subtract 76 from 100
Answer: 24% change

I hope this helps!

7 0

3 years ago

How many ways are there to choose 6 items from 10 dis- tinct items when?

NemiM [27]

Assuming the order doesn't matter it would be 10c6 = 210 ways

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Which equation represents a line that passes through (2,-1/2) and has a slope of 3 ?

Anna11 [10]

Answer:

C. $y + \frac{1}{2} = 3(x - 2)$

Step-by-step explanation:

Given

$Point: (2,\frac{-1}{2})$

$Slope: 3$

Required

Equation of line

Let m represents the slope of the line;

m is calculated as thus

$m = \frac{y - y_1}{x - x_1}$

$where (x_1,y_1) = (2,\frac{-1}{2})$

$So; x_1 = 2; y_1 = \frac{-1}{2}$

$m = 3$

By substituting the right values in the formula above;

$m = \frac{y - y_1}{x - x_1}$ becomes

$3 = \frac{y - \frac{-1}{2}}{x - 2}$

Multiply both sides by $(x - 2)$

$3 *(x - 2) = \frac{y - \frac{-1}{2}}{x - 2} *(x - 2)$

$3 *(x - 2) = (y - \frac{-1}{2})$

$3 *(x - 2) = (y + \frac{1}{2})$

$3(x - 2) = (y + \frac{1}{2})$

$3(x - 2) = y + \frac{1}{2}$

Reorder

$y + \frac{1}{2} = 3(x - 2)$

Hence, the equation that represents the line is $y + \frac{1}{2} = 3(x - 2)$

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4 years ago

In the chemistry lab an experiment requires 599 mL of one ingredient to be mixed with 1000 mL of another. How many ounces is the

raketka [301]

Answer:

50.7202

Step-by-step explanation:

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2 years ago

Is my answer choice wrong or right?

Tasya [4]

Answer:

It is correct

Step-by-step explanation:

Gr8 job

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3 years ago